PRODUCT INFORMATION. Elettromedia - January All Specifications Subject to Change Without Notice_16.A

Transcription

1 PRODUCT INFORMATION Elettromedia - January 2016

2 PRODUCT INFORMATION Elettromedia - January 2016 Continued Evolution to turn into Legend 03 Legend The Design 04 ML ML ML ML MLCX 2 TW.3 19 ML ML MLK MLK MLK About us 25 Press Kit 26 Elettromedia Potenza Picena (MC) Italy - T F All Specifications Subject to Change Without Notice_14.A Notice_16.A 2

3 Continued evolution to turn into Legend. Since its introduction in 1999, the Mille series has always had one goal: to be a reference for the enthusiasts. The Hertz designers commitment has been rewarded by both the International press representatives and the in-car listening enthusiasts, not to forget the several awards collected during the time. The Hertz Design team approaches each new project as a continuous challenge: driven by their passion for music reproduced in car, they constantly improved the performance level compared to the past. To make the difference in your car audio system today. ML Legend The way a speaker is designed is in continuous evolution: Hertz has always invested in research and development. For this reason, from 2005 Hertz joined the Klippel certification program. In order to be allowed to use the Verified with Klippel brand, the Hertz R&D electro-acoustic engineers were trained and keep themselves periodically up to date with regards to the different systems for the speakers design, he development and quality control: Klippel DA-2 & Klippel Scan Vibrometer (Designed) - Klippel PM-8 (Developed) - Klippel QC (Tested). Huge amounts of resources have been employed in the FEA (Finite Element Analysis) simulations which, through a long phase of material characterization, led to the optimization of each cubic millimetre of the speaker, giving the advantage of predicting performance and sound behaviours in their final application: the car environment! In car FEA simulation All the results of this research course, focused on the cone geometry and their modal analysis, on the surround and spider optimization, on the thermal and magnetic advanced modelling techniques, allowed to achieve an ambitious goal: to improve the Mille line, a reference product for the enthusiasts. This constant evolution during the years nurtured the myth of the Mille line which, in its latest expression, has been deservedly embellished by the adjective Legend to celebrate its fifteen years of presence in the market. 3

4 The design. Dynamic Compression The musical signal is much more complex than a sine wave, since it is characterized by continuous and quick variations of level, especially at low frequency range. Think about the rhythmically pulsing of an electric bass coupled with the bass drum: at each pulsation, the amplifier applies power to the subwoofer voice coil (Pe) which gets warmer (VC Temp) as the track is being played, increasing its resistance (Rdc). The resistance increase behaves like a bottle neck constraining the current flow, limiting the power the amplifier can deliver to the subwoofer during the reproduction of the track. This phenomenon is known as dynamic compression. Voice coil Signal at Speaker Terminals VC Temp ( C) Rdc (Ohms) Pe (W) Time Time The IN/OUT wound 100 mm (4 ) voice coil, employed in the ML Legend and in the ML Legend, requires longer heating times compared to products featuring a smaller diameter voice coil built with the traditional multi-layer winding method. Therefore, when the most demanding musical programs are reproduced, the Mille.3 Legend subwoofers voice coil remains within the optimal temperature operational range, reducing dynamic compression to the minimum. This feature is fundamental to re-create the same emotion of a Live performance inside the car, and so to be able to appreciate the whole dynamic range of the different instruments. Music fans who attend live concerts know well the emotions that low undistorted frequencies without dynamic compression can arouse. For this reason, the Hertz R&D created ML Legend and ML Legend, the two reference subs for the Mille.3 Legend line. During the long development phase, the designers set themselves just one ambitious goal: to transfer the emotions of a live performance to the car environment. Thanks to a completely renewed design, the subwoofers have extremely compact size and are optimized to play in enclosures with reduced boxes. This choice of design combines two requirements hard to achieve up to now: reference performance and ease of installation. The Hertz electro-acoustic designers had the Mille Legend subs mount a CCAW (Copper Clad Alumium Wire) 100 mm (4 ) voice coil, to ensure unparalleled heat dissipation capability compared to the average subs that mount voice coils with considerably smaller diameter. A larger diameter ensures better stability of the voice coil during extended excursions, as that makes the voice coil less sensitive to undesired resonances, such as for example the rocking mode. Besides size, the voice coil features a new winding process called In/Out. This technique, although more complex and expensive from a production perspective, provides the ability to obtain an even cooling of the different coil layers. With standard build methods, the internal layers, those close to the former, considering heat dissipation, are more disadvantaged than the external ones. In the case of In/Out coils, thanks to their build, the internal layers have same dissipation capability as the external ones. The subs spider, made from CONEX, has been designed to work in perfect synergy with the 100 mm coil and to ensure maximum mechanical linearity during long excursions of the cone, that is made from paper with the add of mineral powders to increase stiffness and damping. Standard In/Out Voice Coil 4

5 To make the most of the capability of this special mobile voice coil, through the use of the FEA simulation technology, a specific magnet assembly has been optimized, Standard employing a 5 mm thick Neodymium ring, capable of generating even, magnetic flux, also during the cone maximum excursion. The use of a 100mm (4 ) mobile voice coil provided the ability to insert the magnet in its inside and not on its Magnet inside the pole outside, as it is common in conventional designs, so to minimize energy waste maximizing efficiency and, at the same time, minimizing overall dimensions by adopting a compact design. Standard The movement of the mobile voice coil inside the air gap causes a variation of the inductance value that, at high excursions, becomes significant, causing distortion. To keep this phenomenon to the minimum, a copper ring outside the motor pole called Copper Ring is employed, effectively minimizing Copper Ring Mille.2 distortion. However, using the Copper ring in the subs motor would have required reducing the air gap, thus reducing energy as a matter of fact, with the result of losing low frequency level. For this reason, the Hertz electroacoustic designers went beyond that, developing a technology specifically Aluminium Shorting Ring Mille.3 thought for the Mille Legend subwoofers called Aluminium Shorting Ring. In this case, an aluminium ring inside the pole is employed, leaving the gap area free, preventing loss of energy in the low frequencies, though keeping the distortion reduction unaltered. A powerful motor, capable of extreme performance, requires a frame extremely resistant to twisting stresses to unload all the power. This concept, applicable in car contests, is perfectly applicable also in electro-acoustics. This is the reason why the Hertz designers, through FEA simulations, designed a six-spoke compact antiresonant alloy basket with spider built-in vented holes. Together with the eight holes of the bottom plate and the motor central hole, these vented holes allow the cone to move as free as it needs making long excursions, eliminating every distortion due to acoustic compression phenomena. 5

6 db SPL Aluminium Shorting Ring Mille.3 Standard Copper Ring Mille.2 The structure self-standing geometry adds to the overall mechanical damping, resulting absolutely transparent to sound. Thanks to the combination of these technologies, the subwoofers can handle 1400 W musical powers and play the most demanding musical programs without any dynamic compression, taking the listener close to the live event k Frequency [Hz] 20k During these past few years the Mille line woofers have been the choice of many enthusiasts looking for extreme performance; with ML Legend and ML Legend, the Hertz designers increased again the limits of achievable performance for components designed for door installation. The ML Legend has been thought and designed for the enthusiasts attending contests who need a component merging the timbre accuracy of ML Legend to a wider extension to the low frequencies thanks to the large emission surface, higher power handling and control which only a 50 mm voice coil can ensure. To get to these results, the R&D staff performed extensive incar voicing sessions, after building several prototypes with the FEA simulation method and testing them with a wide array of measurements carried out with the Klippel suite. 6

7 Like in the suspensions of competition cars, the surround must stand the most extreme working conditions to ensure maximum stability and symmetry at high excursions, and so to achieve impact and extension to the low frequency range. For this reason, the electro-acoustic designers developed a new surround-basket gluing system called Boundary Free Surround. This technology, employed on all the Mille.3 components, provides the ability to achieve wider emission surface of the cone compared to speakers with same diameter; that way, the cone manages to move a bigger mass of air, so it produces more acoustic pressure. This special surround is built from highly pure IIR butyl rubber, ensuring extraordinary thermal and mechanical linearity. Suspension stress test The cone geometry has been subject of in-depth studies with FEA simulations and measurements performed with the Klippel Scan Vibrometer; all that led to the optimization of the V-cone profile. In the subwoofers and in the woofers, to reproduce the lowest frequency spectrum, the cone needs to move a remarkable amount of air, so it is forced to make long excursions moving like a piston does. The V-cone profile prevents the cone from deforming during its course, ensuring that the piston works in a correct position, maximizing the production of acoustic pressure. In components of smaller diameter like the ML Legend midrange, the exponential profile, with the absence of traditional dustcap, gets close to the perfect one generating exceptional dispersion at mid-high frequencies. To ensure extraordinary power handling and very high thermal stability even with tracks especially rich of bass frequencies, ML Legend features a 36 mm mobile voice coil. This size ensures the best compromise between power handling and high frequency response. For ML Legend a specific CCAW (Copper Clad Aluminium Wire) 50 mm diameter mobile voice coil has been designed. Thanks to it, the woofer can handle very high poker with powerful low frequencies and without dynamic limits. Standard Cone V-cone Sound Pressure Const. Vin Sound Pressure Const. Vin 7

8 For the woofers, a specific solution to minimize distortion. Using an aluminium cylinder external to the central pole it s possible to obtain an exceptional parameter stability, besides improving mid frequency response compared with the pole internal shielding that is featured in the subwoofers. The feeling you have when listening is one of utmost control of the musical signal with an impressive dynamics. dynamic compression. The motor assembly expands around a Neodymium ring with unique sizes. The magnetic flux achieves amazing values and ensuring absolute thermal stability, bursting dynamics and total absence of Further to an extensive research performed with the FEA methods, the Hertz designers decided to reduce the cone profile, achieving an even more linear frequency response in the mid range, the most important range for the reproduction of human voice and fundamental for timbre balance. The gap of the three back spokes has been further reduced, to keep air resistance to the minimum, ensuring a more controlled movement of the cone and re-designing the spider geometry for a higher speed. The basket is made of a special aluminium alloy, significantly damping the mechanical resonances between 800 and 1300 Hz, transferring all the precious energy only to the cone membrane. ML Legend enjoyed all the innovations introduced with the other woofers, although its design has been developed from a high density ferrite magnet compound. This build difference characterizes the sound of this woofer, offering a slightly higher punch on low frequencies, with consequent higher overall dimensions. Also ML Legend Extended Midrange features the V-cone geometry upgrade, the Neodymium magnet assembly and the threespoke anti-resonant aluminium alloy basket with vented holes. 8

9 ML Legend Thanks to these technologies, as well as the Boundary Free Surround, taking the diameter emission from 60 to 65 mm, the midrange will provide extended, properly damped low frequency response, as the component will be filtered especially at the low frequencies, for excellent combination with the ML Legend, to build an ultra-performing system for competitions. A copper cylinder outside the central pole piece ensures a linear inductance modulation, reducing distortion and offering improved high frequency response towards the internal aluminium shielding employed in the woofers. For this component, the Hertz designers chose to adopt a single-layer CCAW (Copper Clad Aluminium Wire) voice coil, ensuring a more lightweight moving assembly; the junction point between cone and former has been optimized to improve high frequency response and minimize break-up phenomena. ML Legend dispersion 3D simulation. The V-cone exponential profile without the traditional dustcap gets close to the perfect one, generating exceptional dispersion: thanks to the synergistic action of these technological elements, ML700.3 Legend boasts outstanding high frequency extension making it possible to build purist two-way systems in combination with ML Legend or ML Legend. Thanks to this configuration, where there is only one cross-point, phase rotations are limited to the minimum, ensuring excellent soundstage and disarming timbre consistency. With the mid-high frequencies being handled by the ML700.3 Legend and the low ones by the ML Legend, the whole audio range is reproduced with transducers built with the same materials and based on the same electro-acoustic structure; that doesn t happen with woofer and tweeter, since due to its own nature the tweeter is different in materials and structure. The uniformity in materials and structures creates very high timbre consistency, so the speakers can disappear and leave room to emotions. 9

10 To improve a tweeter which was considered a reference since its first introduction into the market is a quite challenging task which could only be performed by a continued evolution in time and maximum care for each detail that might affect sound. From these presuppositions ML Legend has been born. Through the FEA simulations, the electro-acoustic designers carried out an extensive research which led to the optimization of the Tetolon dome geometry, to minimize distortion. This optimization method led to a reviewed faceplate geometry for improved frequency response and lower distortion. ML Legend dispersion 3D simulation. Another element of the tweeter especially important for sound is the rear acoustic chamber: the designers performed an exhaustive research on the geometry as well as on the employed damping material, achieving 50% increase in overall volume, to extend response to lower frequencies with 900Hz resonance frequency. The magnet assembly is composed of a Neodymium REN ring and extremely low carbon content steel plates, to ensure very high permeability, and, therefore, to raise the magnetic saturation threshold. These features guarantees total control of the voice-coil, for a sound reproduction free from non-linearities with very dynamic transients. The special design of the magnet assembly describes a perfect field symmetry in space, for an exceptional transfer Energy and linear movement of the moving assembly even in the most demanding audio passages. ML Legend The top pole piece covered with an extremely pure copper short circuit ring creates an anti-inductive effect, ensuring a linear trend of the impedance module. The CCAW (Copper Clad Aluminium Wire) voice coil guarantees an especially light weight and stiff moving assembly. These technological elements interact one with the other, resulting in an extension to the extremely high, verified, frequency range of 28kHz, a record for a tweeter featuring a 28mm voice coil. The in-car listening purists prefer building minimalist systems with the least possible amount of speakers, to keep the phase variations around the filter cross points to the minimum. The R&D Department s research met the enthusiasts needs: the optimizations applied to the tweeter provided the ability to relevantly extend the frequency response to the lowest frequency ranges, making it possible to build two way systems combining the 10

11 ML with the ML woofer. When listening to this two way system, the listener is amazed for its timbre consistency and its wide virtual stage. This tweeter has a thrilling design: its body is made up of a CNC machined aluminium block, for a mechanically inert, acoustically transparent structure, perfectly fitting in the other Mille Legend components thanks to the diamond-cut applied around the faceplate. All Mille.3 Legend crossovers employ strictly selected passive components : they feature bi-metallic capacitors and polyester dielectric, for maximum acoustic transparency. Thanks to their air wound inductors wound on up to 1 mm diameter pure copper wire, saturation, which is present with ferro-magnetic core coils, is eliminated, also if high drive currents are present. They also mount low parasite inductance, 8 to 12W power Wirewound type resistors. Thanks to the use of low inductance resistors for the tweeter filter cell, the component can express maximum extension to high frequency since, even just a minimum inductance in series constitutes a low-pass filter, nullifying the ML and ML 28 capability to reach the 28kHz barrier. A unique impedance compensation cell has been mounted in parallel to the woofer, providing the ability for the filter to work on a load with even more linear frequency, confirming a record tonal balance. Electric response (dbv) Mid-Contour & Hi-Contour Woofer Frequency (Hz) The MLK Legend two way kit is dedicated to purists of sound, aiming at achieving maximum timbre consistency combined with very high dynamics and extremely extended frequency response. Through a solidly built switch, the MLCX 2 TW.3 crossover provides the ability to realize a bi-amplified system, that is, to connect two amplifiers, or anyway two separate channels, to the crossover, so making it possible to drive woofer and tweeter separately. The significant power increase with this configuration highlights all the features of the MLK Legend system, with all the advantages coming from the multi-amplification. Besides, thanks to the Mid-Contour and Hi- Contour controls, dedicated to the management of woofer cut-off frequency and tweeter cut-off frequency respectively, OFF Hi-Contour ON the cross-point can be varied. Through each of these two Contour controls, featuring a ON OFF Tweeter two-position selector, the system frequency response can be fine-tuned, adjusting it according to the different acoustics of the cars and the different speaker placements and, most of all, the listener can achieve thieir favourite sound. Besides, two additional controls have been dedicated to the most delicate component Mid-Contour

12 Electric response (dbv) MLCX 2 TM.3: Mid-Notch & Tw-Level Mid-Notch 0 db Midrange -4 db -6 db Tw-Level +2 db 0 db -2 db Tweeter in terms of sound emission, requiring higher care in its positioning, the tweeter: a three-position control for the woofer emission level with 2 db steps (+2/0/-2dB) attenuation and the Hi-Boost, a two-position selector providing the ability to emphasize the tweeter response beyond the 10kHz for situations where, due to space reasons or to the install cosmetics, it is not possible to install the tweeters on axis with the listener Frequency (Hz) Thanks to the virtually limitless combinations of all its controls, the MLK Legend system can be entirely customized according to the components install typology as well as to the listener s preferences. The most fascinating aspect of this system is the sound: the most apparent characterist is the real sound you can achieve, recreating in the car the feeling of attending the live event thanks to a believable acoustic scene combined with absence of any compression, even in the highest dynamic musical peaks. The MLK Legend system is composed of the ML 28.3 Legend tweeter and the ML Legend woofer with the MLCX dedicated crossover. The woofer originates from the ML Legend, inheriting all its technologies such as the Boundary Free Surround, the V-cone profile Pressed-pulp cone with cotton fibres, the three spoke aluminium basket with vented holes; however, it has been designed employing a high density ferrite magnet assembly, characterising its emission in the mid frequency range. The ML 28.3 Legend tweeter mounts the same Neodymium magnet assembly as the ML Legend s and features all the optimizations made with FEA methods on the dome profile, and that it shares with its older brother, except for the most esoteric features such as the die-cast aluminium faceplate, the CNC machined body made from solid aluminium block and the copper short circuit ring. 12

13 Like MLCX 2 TW.3, also the MLCX crossover features the Hi-Contour control to adjust the ML 28.3 tweeter cut-off frequency and so the cross-point with the ML woofer, according to the position of the two speakers in the car. Through the tweeter three position level control, with 2 db step attenuation, the level for a correct timbre balance can be fine-tuned according to one s own tastes. The MLK Legend two way system aims at offering a mid-high frequency range of excellence, to combine with a Legend woofer with a choice between ML and ML actively filtered in a multi-amplified configuration. MLK Legend is composed of the ML Legend Extended Midrange, the ML Legend tweeter and the MLCX 2 TM.3 dedicated crossover that features the unique Mid-Contour control with its three-position selector, acting on the mid frequencies of the ML Legend midrange by varying the cross-point with the tweeter to obtain the desired sound. The tweeter level can be attenuated in three 2dB-step positions, to adjust emission to the position, to perfectly tune the emission level. The Mille.3 line has been designed with a very precise objective: to re-create the emotions of live music inside the car environment. The Hertz R&D team designed all its components - from the powerful subwoofers to the delicate tweeters- considering their synergy and with innovative spirit. This harmony shows through very clearly in the design of each product and in the sound of the systems. Once again, making equal use of reason and passion for music, the Hertz designers managed to hit the goal, assigning the well deserved adjective Legend to the Hertz Mille.3 line. 13

14 Scan Discover Identify eid (Elettromedia Identification) is the exclusive technology providing the traceability of the Mille.3 products from their birth on. Once the test phase has been passed, the code linked to destination country/market is applied. When purchasing the product, by scanning the code, the user can check through the web the information about the product and can log into the registration page; by filling it out, the user will be entitled to one additional year of warranty coverage*. This way the user will have the certainty of owning a genuine Hertz product, purchased through the official channel. *in those countries where the agreement with the partner has been made. Video of eid technology 14

15 ML COMP TWEETER 180 W TECHNICAL SPECIFICATIONS Component Tweeter Tweeter diaphragm mm (in.) 35 (1.38) Voice Coil Ø mm (in.) 28 (1.1) Power Handling W peak 180 (Hi-Pass 1,8kHz - 12dB Oct.) Impedance Ω 4 Frequency Response Hz 1k 28k Magnet size mm 27,8 x 3,5 x 3 D x d x h (in.) (1.1 x 0.14 x 0.12) Weight of one speaker kg (lb) 0,10 (0.22) Magnet Neodymium Dome/Cone Tetolon 1. Neodymium magnet optimized with FEA simulations of the magnetic flux for utmost control and fast response to the transients. 2. Extremely pure copper short circuit ring, for excellent very high frequency extension. 3. Die-cast aluminium face plate with profile optimized with FEA simulations to improve frequency response and dispersion. 4. Tetolon Fiber dome optimized with FEA simulations for lower distortion and improved dispersion in high frequency range. 5. Frame structure and rear load chamber both derived from a CNC machined solid aluminium block, to ensure mechanically inert response to resonances. 6. Rear chamber sized for only 900 Hz Fs: low Fs ensures wide extension in low frequency range and low distortion also in the crossing section, allowing a decreased cut-off frequency. 7. High-density damping material underneath the dome, low-density absorbing material in the rear chamber, providing fluid acoustic emission and high damping in the low frequency response. ELECTRO-ACOUSTIC PARAMETERS D mm 28 Re Ω 3,3 Fs Hz 900 Le mh 0,013 Vas l - Mms g 0,4 Cms mm/n 0,09 BL T m 1,9 Qts 1,3 Qes 1,9 Qms 4 Spl db 92 A 53,4 mm 2.1 in. B 48 mm 1.89 in. C 29 mm 1.14 in. C D 13,5 mm 0.53 in. D B A Elettromedia Potenza Picena (MC) Italy - T F

16 ML COMP MIDRANGE 100 W TECHNICAL SPECIFICATIONS Component Midrange Midrange size mm (in.) 70 (3) Voice Coil Ø mm (in.) 20 (0.8) Power Handling W peak 100 (Hi-Pass 250Hz - 12dB Oct.) Impedance Ω 4 Frequency Response Hz k Magnet size mm 45 x 25 x 3,5 D x d x h (in.) (1.77 x 0.98 x 0.13) Centre to centre distance mm (in.) 80 (3.15) Hole diameter/ mm (in.) 3,7 (0.14) Eyelet dimensions mm (in.) - Weight of one speaker kg (lb) 0,21 (0.46) Magnet Neodymium Dome/Cone Pressed-pulp cone with cotton fibres 1. Neodymium magnet optimized with FEA simulations, for superior dynamics and control. 2. Very low carbon content CNC machined plates, for maximum magnetic permeability and low distortion at high power levels. 3. Extremely pure copper covered central pole and one-layer mobile coil, for a wider extension in the high frequency range. 4. Exponential V-cone with optimized geometry for utmost linearity and dispersion. 5. CONEX spider with optimized profile, for maximum transparent acoustics at mid-high frequency. 6. Boundary Free IIR rubber surround, for better efficiency and wider mid-bass frequency. 7. Pressed-pulp cone with cotton fibres, combining stiffness and lightweight, to achieve wide frequency response and limited break-ups at high frequency. 8. Junction point between cone and former with geometry optimized with FEA methods, allowing a more integral coupling, thus ensuring wider extension at high frequency. 9. Three-spoke, very acoustically transparent anti-resonant aluminium alloy basket featuring built-in venting holes. 10. CNC machined elegant diamond-cut basket edge featuring the Hertz logo. 11. Die-cast aluminium factory provided grille featuring diamond-cut aluminium Hertz logo. ELECTRO-ACOUSTIC PARAMETERS D mm 65 Xmax mm ±1,1 Re Ω 3,8 Fs Hz 110 Le mh 0,05 Vas l 1,1 Mms g 2,7 Cms mm/n 0,7 BL T m 3,3 Qts 0,57 Qes 0,67 Qms 4 Spl db 90 A 87,8 mm 3.45 in. B 74 mm 2.91 in. C 47 mm 1.85 in. C D 41,3 mm 1.62 in. D E E 93 mm 3.66 in. F 17 mm 0.67 in. B A F Elettromedia Potenza Picena (MC) Italy - T F

17 ML COMP WOOFER 250 W TECHNICAL SPECIFICATIONS Component Woofer Woofer size mm (in.) 165 (6.5) Voice Coil Ø mm (in.) 36 (1.4) Power Handling W peak 250 Continuous 125 Impedance Ω 4 Frequency Response Hz k Magnet size mm 80 x 45 x 5 D x d x h (in.) (3.15 x 1.77 x 0.2) Centre to centre distance mm (in.) 156 (6.14) Hole diameter/ mm (in.) 5 (0.2) Eyelet dimensions mm (in.) - Weight of one speaker kg (lb) 1,29 (2.84) Magnet Neodymium Dome/Cone Pressed-pulp cone with cotton fibres *Xmech mm (in.) ±9 (0.35) *X-mech: maximum mechanical excursion it indicates the motion range in the speaker linear functioning area, in both ways. 1. Neodymium magnet optimized with FEA simulations for real dynamics and utmost control. 2. Very low carbon content CNC machined plates, for maximum magnetic permeability and low distortion at high power levels. 3. Aluminium covered pole for a linear impedance modulation and low distortion mm CCAW double layer voice coil wound on a Polyamide former for exceptional power handling and compression-free re production even in the most demanding musical passages. 5. Exponential V-cone with optimized geometry for utmost linearity and dispersion at mid frequency range. 6. Boundary Free IIR rubber surround, for better efficiency and wider mid-bass frequency. 7. Pressed-pulp cone with cotton fibres, combining stiffness and lightweight, to achieve wide frequency response and limited break-ups at high frequency. 8. Three-spoke, very acoustically transparent anti-resonant aluminium alloy basket featuring built-in venting holes. 9. CNC machined elegant diamond-cut basket edge featuring the Hertz logo. 10. Die-cast aluminium factory provided grille featuring diamond-cut aluminium Hertz logo. ELECTRO-ACOUSTIC PARAMETERS D mm 132 Xmax mm ±5 Re Ω 3,3 Fs Hz 65 Le mh 0,24 Vas l 8,3 Mms g 17,5 Cms mm/n 0,3 BL T m 7 Qts 0,47 Qes 0,52 Qms 5,3 Spl db 93 A 165 mm 6.5 in. B 141 mm 5.55 in. C C 80 mm 3.15 in. D E D 69 mm 2.71 in. E 170 mm 6.7 in. F 26 mm 1.02 in. B A F Elettromedia Potenza Picena (MC) Italy - T F

18 ML COMP WOOFER 400 W TECHNICAL SPECIFICATIONS Component Woofer Woofer size mm (in.) 180 (7) Voice Coil Ø mm (in.) 50 (2) Power Handling W peak 400 Continuous 200 Impedance Ω 4 Frequency Response Hz 38 6k Magnet size mm 90 x 60,7 x 5 D x d x h (in.) (3.54 x 2.39 x 0.2) Centre to centre distance mm (in.) 173 (6.81) Hole diameter/ mm (in.) 5 (0.2) Eyelet dimensions mm (in.) - Weight of one speaker kg (lb) 1,71 (3.77) Magnet Neodymium Dome/Cone Pressed-pulp cone with cotton fibres *Xmech mm (in.) ±10 (0.4) *X-mech: maximum mechanical excursion it indicates the motion range in the speaker linear functioning area, in both ways. 1. Neodymium magnet optimized with FEA simulations for real dynamics and utmost control. 2. Very low carbon content CNC machined plates, for maximum magnetic permeability and low distortion at high power levels. 3. Aluminium covered pole for a linear impedance modulation and low distortion mm CCAW double layer voice coil wound on a Polyamide former for exceptional power handling and compression-free re production even in the most demanding musical passages. 5. Exponential V-cone with optimized geometry for utmost linearity and dispersion. 6. Boundary Free IIR rubber surround, for better efficiency and wider mid-bass frequency. 7. Pressed-pulp cone with cotton fibres, combining stiffness and lightweight, to achieve wide frequency response and limited break-ups at high frequency. 8. Three-spoke, very acoustically transparent anti-resonant aluminium alloy basket featuring built-in venting holes. 9. CNC machined elegant diamond-cut basket edge featuring the Hertz logo. 10. Die-cast aluminium factory provided grille featuring diamond-cut aluminium Hertz logo. ELECTRO-ACOUSTIC PARAMETERS D mm 149 Xmax mm ±4 Re Ω 3,2 Fs Hz 60 Le mh 0,35 Vas l 12,2 Mms g 27,5 Cms mm/n 0,3 BL T m 7,8 Qts 0,5 Qes 0,53 Qms 7,22 Spl db 93 A 184 mm 7.24 in. B 160 mm 6.3 in. D C C 88 mm 3.46 in. E D 76 mm 3 in. E 189,2 mm 7.45 in. F 27 mm 1.06 in. B A F Elettromedia Potenza Picena (MC) Italy - T F

19 MLCX 2TW.3 COMP CROSSOVER 300 W TECHNICAL SPECIFICATIONS Component 2 Way Passive Crossover Power Handling W peak 300 Continuous 150 Crossover Woofer Lo-pass 6 db Oct. Tweeter Hi-pass 12 db Oct. Cut-off 2.5 khz (Mid/Hi-Cont. = ON) 3.5 khz (Mid/Hi-Cont. = OFF) Adjustment Tweeter +2 / 0 / -2 db Hi-Boost ON / OFF Hi-Contour ON / OFF Mid-Contour ON / OFF Bi-Amp ON / OFF Size mm 195 x 119 x 41 (in.) (7.67 x 4.68 x 1.61) Weight kg (lb) 0,57 (1.26) 1. Bi-amplification available, selectable through appropriate hi-current rating switch with hi-current carrying capability. 2. Mid-Contour two-position control, for a linear mid-bass frequency response according to the woofers position in the car and the listener s favourite sound. 3. Hi-Contour two-position control, to select the tweeter hi-pass crossover point selection according to the tweeter position/angle towards the listener. 4. Mid-Contour in conjunction with Hi-Contour provides the ability to use MLCX 2 TW.3 to build a two way system based on ML or ML woofer together with ML tweeter. 5. Three-position switch for tweeter level adjustments in 2 db steps, to fine-tune the transducer s emission. 6. Hi-Boost control, selectable through appropriate switch, to provide better linearity of the tweeter emission above 10kHz when positioned not on axis to with the listener. 7. Extremely high quality bi-metallized 160V polyester film capacitors with ultra-low DF, for maximum sound transparency and neat mid/hi-frequencies. 8. Air wound inductors built on pure copper-wire with up to 1mm diameter, for high saturation threshold of the magnetic flux and low losses on the woofer section where high transient currents are demanded. 9. High power rating Wirewound resistors, to ensure performance stability even at high operating temperature. The Wirewound build construction grants low parasitic series inductance thus reducing losses at high frequencies, especially for resistors in series to the tweeter Mid-Contour & Hi-Contour Electric response (dbv) Woofer Mid-Contour OFF ON Hi-Contour ON Tweeter OFF H Frequency (Hz) G G 195 mm 7.67 in. H 119 mm 4.68 in. I 41 mm 1.61 in. Tweeter Level & Hi-Boost I Electric response (dbv) 0.00 Tw-Level Hi-Boost ON +2 db OFF ON 0 db OFF ON db OFF Frequency (Hz) Elettromedia Potenza Picena (MC) Italy - T F

20 ML SUBWOOFER 1400 W MLG optional grille TECHNICAL SPECIFICATIONS Component Subwoofer Subwoofer size mm (in.) 200 (8) Voice Coil Ø mm (in.) 100 (4) Power Handling W peak 1400 Continuous 700 Impedance Ω 4 Frequency Response Hz Magnet size mm 95 x 28 x 5 D x d x h (in.) (3.7 x 1.1 x 0.2) Centre to centre distance mm (in.) 199 (7.83) Hole diameter/ mm (in.) 5,5 (0.22) Eyelet dimensions mm (in.) - Weight of one speaker kg (lb) 6,120 (13.5) Magnet Neodymium Dome/Cone Pressed-pulp cone with mineral powders *Xmech mm (in.) ±23 (0.9) *X-mech: maximum mechanical excursion it indicates the motion range in the speaker linear functioning area, in both ways. 1. Extraordinary large neodymium magnet, optimized with FEA simulations, to ensure magnetic field stability even under high excursion. 2. Very low carbon content CNC machined plates, for maximum magnetic permeability and low distortion at high power levels. 3. Voice coil internal magnet with high size / performance ratio, for maximum efficiency. 4. CCAW, 100 mm (4 ) voice coil, capable of handling 1400 W musical power, keeping the working temperature very low, reducing dynamic compression to the minimum. 5. Voice coil wound with In/Out method, for even cooling of the different coil layers. 6. Voice coil wound on TIL former: this material made from fibreglass combines the heat dissipation properties of aluminium with the stiffness of Polyamide composites, for a no-compromise acoustic performance. 7. Central pole featuring Aluminium Shorting Ring, for minimum distortion and maximum extension at low frequency. 8. Boundary Free IIR rubber surround, for higher SPL performance with same external diameter. 9. Exponential V-cone with optimized geometry for high cone stiffness and strong resistance to deformation even at maximum excursions. 10. Pressed-pulp cone with mineral powders, for superior rigidity and damping. 11. Very acoustically transparent anti-resonant aluminium alloy basket featuring six-spoke self-standing structure and built-in venting holes underneath the spider. 12. CNC machined elegant diamond-cut basket edge featuring the Hertz logo. 13. Ergonomic, ultra-compact design, with array of electro-acoustic parameters optimized for sealed box application with lt volume. ELECTRO-ACOUSTIC PARAMETERS D mm 165 Xmax mm 13 Re Ω 2,7 Fs Hz 40 Le mh 0,72 Vas l 9,5 Mms g 110 Cms mm/n 0,15 BL T m 11 Qts 0,56 Qes 0,63 Qms 5 Spl db 86 A 217 mm 8.54 in. B 185 mm 7.28 in. D C E C 138 mm 5.43 in. D 117 mm 4.6 in. E 223 mm 8.78 in. F 46 mm 1.8 in. B A F Elettromedia Potenza Picena (MC) Italy - T F

21 ML SUBWOOFER 1400 W TECHNICAL SPECIFICATIONS Component Subwoofer Subwoofer size mm (in.) 250 (10) Voice Coil Ø mm (in.) 100 (4) Power Handling W peak 1400 Continuous 700 Impedance Ω 4 Frequency Response Hz Magnet size mm 95 x 28 x 6 D x d x h (in.) (3.7 x 1.1 x 0.24) Centre to centre distance mm (in.) 251 (9.88) Hole diameter/ mm (in.) 6,4 (0.25) Eyelet dimensions mm (in.) - Weight of one speaker kg (lb) 7,5 (16.53) Magnet Neodymium Dome/Cone Pressed-pulp cone with mineral powders *Xmech mm (in.) ±27 (1.06) *X-mech: maximum mechanical excursion it indicates the motion range in the speaker linear functioning area, in both ways. MLG optional grille 1. Extraordinary large neodymium magnet, optimized with FEA simulations, to ensure magnetic field stability even under high excursion. 2. Very low carbon content CNC machined plates, for maximum magnetic permeability and low distortion at high power levels. 3. Voice coil internal magnet with high size / performance ratio, for maximum efficiency. 4. CCAW, 100 mm (4 ) voice coil, capable of handling 1400 W musical power, keeping the working temperature very low, reducing dynamic compression to the minimum. 5. Voice coil wound with In/Out method, for even cooling of the different coil layers. 6. Voice coil wound on TIL former: this material made from fibreglass combines the heat dissipation properties of aluminium with the stiffness of Polyamide composites, for a no-compromise acoustic performance. 7. Central pole featuring Aluminium Shorting Ring, for minimum distortion and maximum extension at low frequency. 8. Boundary Free IIR rubber surround, for higher SPL performance with same external diameter. 9. Exponential V-cone with optimized geometry for high cone stiffness and strong resistance to deformation even at maximum excursions. 10. Mineral-injected paper cone, for superior rigidity and damping. 11. Very acoustically transparent anti-resonant aluminium alloy basket featuring six-spoke self-standing structure and built-in venting holes underneath the spider. 12. CNC machined elegant diamond-cut basket edge featuring the Hertz logo. 13. Ergonomic, ultra-compact design, with array of electro-acoustic parameters optimized for sealed box application with lt volume. ELECTRO-ACOUSTIC PARAMETERS D mm 212,5 Xmax mm ±17 Re Ω 2,75 Fs Hz 33 Le mh 1,05 Vas l 23,5 Mms g 175 Cms mm/n 0,125 BL T m 12,6 Qts 0,63 Qes 0,65 Qms 7,5 Spl db 88 A 268 mm in. C B 234 mm 9.21 in. D E C 159 mm 6.26 in. D 137 mm 5.4 in. E 274 mm in. F 50 mm 1.97 in. B A F Elettromedia Potenza Picena (MC) Italy - T F

22 MLK SYSTEM 300 W TECHNICAL SPECIFICATIONS Component 2-way system Size Woofer mm (in.) 165 (6.5) Tweeter diaphragm mm (in.) 35 (1.38) Crossover mm (in.) 195 x 119 x 41 (7.67 x 4.68 x 1.61) Voice Coil Ø Woofer mm (in.) 36 (1.4) Tweeter mm (in.) 28 (1.1) Power Handling W peak 300 W continuos 150 Impedance Ω 4 Frequency Response Hz 40 28k Crossover Woofer Lo-pass 6 db Oct. Tweeter Hi-pass 12 db Oct. Cut-off 2.5 khz (Mid/Hi-Cont. = ON) 3.5 khz (Mid/Hi-Cont. = OFF) Adjustment Tweeter +2 / 0 / -2 db Hi-Boost ON / OFF Hi-Contour ON / OFF Mid-Contour ON / OFF Bi-Amp ON / OFF Weight of one component Woofer kg (lb) 1.29 (2.84) Tweeter kg (lb) 0,1 (0.22) Crossover kg (lb) 0,57 (1.26) ELECTRO-ACOUSTIC PARAMETERS ML ML D mm Xmax mm ±5 - Re Ω 3,3 3,3 Fs Hz Le mh 0,24 0,013 Vas l 8,3 - Mms g 17,5 0,4 Cms mm/n 0,3 0,09 BL T m 7 1,9 Qts 0,47 1,3 Qes 0,52 1,9 Qms 5,3 4 Spl db ML Legend 1. Neodymium magnet optimized with FEA simulations of the magnetic flux for utmost control and fast response to the transients. 2. Extremely pure copper short circuit ring, for excellent very high frequency extension. 3. Die-cast aluminium face plate with profile optimized with FEA simulations to improve frequency response and dispersion. 4. Tetolon Fiber dome optimized with FEA simulations for lower distortion and improved dispersion in high frequency range. 5. Frame structure and rear load chamber both derived from a CNC machined solid aluminium block, to ensure mechanically inert response to resonances. 6. Rear chamber sized for only 900 Hz Fs: low Fs ensures wide extension in low frequency range and low distortion also in the crossing section, allowing a decreased cut-off frequency. 7. High-density damping material underneath the dome, low-density absorbing material in the rear chamber, providing fluid acoustic emission and high damping in the low frequency response. ML Legend 1. Neodymium magnet optimized with FEA simulations for real dynamics and utmost control. 2. Very low carbon content CNC machined plates, for maximum magnetic permeability and low distortion at high power levels. 3. Aluminium covered pole for a linear impedance modulation and low distortion mm CCAW double layer voice coil wound on a Polyamide former for exceptional power handling and compression-free re production even in the most demanding musical passages. 5. Exponential V-cone with optimized geometry for utmost linearity and dispersion at mid frequency range. 6. Boundary Free IIR rubber surround, for better efficiency and wider mid-bass frequency. 7. Pressed-pulp cone with cotton fibres, combining stiffness and lightweight, to achieve wide frequency response and limited break-ups at high frequency. 8. Three-spoke, very acoustically transparent anti-resonant aluminium alloy basket featuring built-in venting holes. 9. CNC machined elegant diamond-cut basket edge featuring the Hertz logo. 10. Die-cast aluminium factory provided grille featuring diamond-cut aluminium Hertz logo. MLCX 2 TW.3 Legend 1. Bi-amplification available, selectable through appropriate hi-current rating switch with hi-current carrying capability. 2. Mid-Contour two-position control, for a linear mid-bass frequency response according to the woofers position in the car and the listener s favourite sound. 3. Hi-Contour two-position control, to select the tweeter hi-pass crossover point selection according to the tweeter position/angle towards the listener. 4. Mid-Contour in conjunction with Hi-Contour provides the ability to use MLCX 2 TW.3 to build a two way system based on ML or ML woofer together with ML tweeter. 5. Three-position switch for tweeter level adjustments in 2 db steps, to fine-tune the transducer s emission. 6. Hi-Boost control, selectable through appropriate switch, to provide better linearity of the tweeter emission above 10kHz when positioned not on axis to with the listener. 7. Extremely high quality bi-metallized 160V polyester film capacitors with ultra-low DF, for maximum sound transparency and neat mid/hi-frequencies. 8. Air wound inductors built on pure copper-wire with up to 1mm diameter, for high saturation threshold of the magnetic flux and low losses on the woofer section where high transient currents are demanded. 9. High power rating Wirewound resistors, to ensure performance stability even at high operating temperature. The Wirewound build construction grants low parasitic series inductance thus reducing losses at high frequencies, especially for resistors in series to the tweeter. Elettromedia Potenza Picena (MC) Italy - T F

23 MLK SYSTEM 300 W TECHNICAL SPECIFICATIONS Component 2-way system Size Woofer mm (in.) 165 (6.5) Tweeter diaphragm mm (in.) 35 (1.38) Crossover mm (in.) 146 x 114 x 40 (5.74 x 4.49 x 1.57) Voice Coil Ø Woofer mm (in.) 36 (1.4) Tweeter mm (in.) 28 (1.1) Power Handling W peak 300 W continuos 150 Impedance Ω 4 Frequency Response Hz 40 25k Crossover cut-off Lo/Hi-pass 3.5 khz -12 db Oct Crossover adjustment Tweeter Level +2 / 0 / -2 db Hi-Contour ON / OFF Weight of one component Woofer kg (lb) 1,65 (3.64) Tweeter kg (lb) 0,075 (0.16) Crossover kg (lb) 0,37 (0.82) ELECTRO-ACOUSTIC PARAMETERS ML ML 28.3 D mm Xmax mm ±5 - Re Ω 3,3 3,3 Fs Hz Le mh 0,37 0,024 Vas l 9 - Mms g 17 0,4 Cms mm/n 0,3 0,08 BL T m 6 2 Qts 0,57 1,1 Qes 0,64 1,7 Qms 5,4 3,3 Spl db ML 28.3 Legend 1. Double Neodymium magnet optimized with FEA simulations, for maximum field symmetry and exceptional transfer efficiency. 2. Tetolon Fiber dome optimized with FEA simulations, for excellent dynamics and angle dispersion. 3. Larger rear chamber, to reduce Fs from 1000Hz to 900Hz. 4. Natural fibre non-woven sound-absorption material, for better damping and more natural acoustic emission. ML Legend 1. CCAW double-layer 36 mm voice coil on Kapton former, for exceptional power handling and no-compromise dynamics. 2. Exponential V-cone with optimized geometry for better dispersion and higher SPL performance. 3. Boundary Free IIR rubber surround, for higher efficiency. 4. Cotton-injected paper cone for stiffness, lightweight and dynamics. 5. Three-spoke, anti-resonant aluminium alloy basket featuring built-in venting holes. 6. Highly acoustic transparent basket design MLCX Legend 1. Hi-Contour two-position control, to select the tweeter hi-pass crossover point according to the tweeter position/angle towards the listener. 2. Three terminals for tweeter level adjustment in 2 db steps, to fine-tune the transducer s emission. 3. Extremely high quality bi-metallized 160V polyester film capacitors with ultra-low DF, for maximum sound transparency and neat mid/hi-frequencies. 4. Air wound built on pure copper-wire copper-wire with up to 1mm diameter, for high saturation threshold of the magnetic flux and low losses on the woofer section where high transient currents are demanded. 5. High power rating Wirewound resistors, to ensure performance stability even at high operating temperature. The Wirewound build construction grants low parasitic series inductance thus reducing losses at high frequencies, especially for resistors in series to the tweeter. Electric response (dbv) MLCX 165.3: Tweeter-Level MLCX 165.3: Hi-Contour 0.00 Tw-Level +2 db db db Frequency (Hz) Electric response (dbv) Hi-Contour 0.00 Woofer ON OFF Tweeter Frequency (Hz) Elettromedia Potenza Picena (MC) Italy - T F

24 MLK SYSTEM 200 W TECHNICAL SPECIFICATIONS Electric response (dbv) Component 2-way system Size Midrange mm (in.) 70 (3) Tweeter diaphragm mm (in.) 35 (1.38) Crossover mm (in.) 195 x 119 x 41 (7.67 x 4.68 x 1.61) Voice Coil Ø Midrange mm (in.) 20 (0.8) Tweeter mm (in.) 28 (1.1) Power Handling W peak 200 W continuos 100 Impedance Ω 4 Frequency Response Hz k Crossover cut-off Lo/Hi-pass 4.5 khz - 6/12 db Oct Crossover adjustment Tweeter Level +2 / 0 / -2 db Mid-Notch 0 / -4 / -6 db Weight of one component Midrange kg (lb) 0,210 (0.46) Tweeter kg (lb) 0,1 (0.22) Crossover kg (lb) 0,57 (1.26) ELECTRO-ACOUSTIC PARAMETERS ML ML D mm Xmax mm ±1,1 - Re Ω 3,8 3,5 Fs Hz Le mh 0,05 0,013 Vas l 1,1 - Mms g 2,7 0,4 Cms mm/n 0,7 0,09 BL T m 3,3 1,9 Qts 0,57 1,3 Qes 0,67 1,9 Qms 4 4 Spl db MLCX 2 TM.3: Mid-Notch & Tw-Level Midrange Mid-Notch 0 db -4 db -6 db Frequency (Hz) Tw-Level +2 db 0 db -2 db Tweeter ML Legend 1. Neodymium magnet optimized with FEA simulations of the magnetic flux for utmost control and fast response to the transients. 2. Extremely pure copper short circuit ring, for excellent very high frequency extension. 3. Die-cast aluminium face plate with profile optimized with FEA simulations to improve frequency response and dispersion. 4. Tetolon Fiber dome optimized with FEA simulations for lower distortion and improved dispersion in high frequency range. 5. Frame structure and rear load chamber both derived from a CNC machined solid aluminium block, to ensure mechanically inert response to resonances. 6. Rear chamber sized for only 900 Hz Fs: low Fs ensures wide extension in low frequency range and low distortion also in the crossing section, allowing a decreased cut-off frequency. 7. High-density damping material underneath the dome, low-density absorbing material in the rear chamber, providing fluid acoustic emission and high damping in the low frequency response. ML Legend 1. Neodymium magnet optimized with FEA simulations, for superior dynamics and control. 2. Very low carbon content CNC machined plates, for maximum magnetic permeability and low distortion at high power levels. 3. Extremely pure copper covered central pole and one-layer mobile coil, for a wider extension in the high frequency range. 4. Exponential V-cone with optimized geometry for utmost linearity and dispersion. 5. CONEX spider with optimized profile, for maximum transparent acoustics at mid-high frequency. 6. Boundary Free IIR rubber surround, for better efficiency and wider mid-bass frequency. 7. Pressed-pulp cone with cotton fibres, combining stiffness and lightweight, to achieve wide frequency response and limited break-ups at high frequency. 8. Junction point between cone and former with geometry optimized with FEA methods, allowing a more integral coupling, thus ensuring wider extension at high frequency. 9. Three-spoke, very acoustically transparent anti-resonant aluminium alloy basket featuring built-in venting holes. 10. CNC machined elegant diamond-cut basket edge featuring the Hertz logo. 11. Die-cast aluminium factory provided grille featuring diamond-cut aluminium Hertz logo. MLCX 2 TM.3 Legend 1. Mid-Notch function, a sophisticated notch passive network featuring a three-position switch to select the amount of acoustic effect. It also provides the ability to linearize the midrange frequency response according to its position in the car and considering the woofer selected to complete the system low frequency range. 2. Three terminals for tweeter level adjustment in 2 db steps, to fine-tune the transducer s emission. 3. Extremely high quality 160V ultra-low DF polyester bi-metallized film capacitors, for maximum sound transparency and neat mid/hi-frequencies. 4. Air wound inductors built on pure copper-wire with up to 1mm diameter, for high saturation threshold of the magnetic flux and low losses on the woofer section where high transient currents are demanded. 5. High power rating Wirewound resistors, to ensure performance stability even at high operating temperature. The Wirewound construction grants low parasitic series inductance thus reducing losses at high frequencies, especially for resistors in series to the tweeter. Elettromedia Potenza Picena (MC) Italy - T F

25 ABOUT US Elettromedia, an Italian company, is a leader within the world-wide car Hi-Fi market. Born in 1987 in Potenza Picena by a group of friends who shared the same passion for in-car high fidelity, throughout the past years Elettromedia has been walking the path of excellence: its products are distributed in more than 50 countries; the company has received many awards and acknowledgements from the most authoritative leaders within the car audio industry; it also can boast reviews of more than 3000 pages published in 30 different languages (visit: The Elettromedia brands are Audison, Hertz, Connection and AZaudiocomp. Through a co-branding strategy, the company offers all of the components required for a complete, top-level car audio system. Contacts: Elettromedia s.r.l. Strada Regina km 3, Potenza Picena (Mc) - Italy T F AWARDS 25