Mike Conaway Trent Marshall Brad Sliga Andrew Hanson

Transcription

1 Multi-Purpose Auditorium Sound Reinforcement System Design ECE Spring 2013 Mike Conaway Trent Marshall Brad Sliga Andrew Hanson

2 Outline Primary System Design Constraints Venue Illustration System Design Constraints Loudspeaker Selection, Placement, and Rigging EASE Simulation Results Power Amplifier Requirements and Selection Signal Processing Requirements and Selection Mixing Console Requirements and Selection Microphone Requirements and Selection Signal Path Wiring Diagram Rack Requirements and Design Cabling and Wiring Requirements System Component List and Street Price Estimate Summary and Recommendations

3 Primary System Design Constraints generic fan-shaped high school auditorium with seating for 3000 (approx main floor, 800 balcony) minimum SPL of 105 db at back row of seating no more than ±5 5 db variation in SPL over the entire seating space for the 1 KHz, 2 KHz, 4 KHz, and 8 KHz frequency bands frequency response of 40 16,000 Hz ± 5 db %ALCONS no greater than 10% over entire seating space minimum 48-channel mixing console minimum of 4 separate monitor mixes (and corresponding monitor loudspeaker systems) support for 20 compatible wireless microphone channels good assortment of general-purpose wired and wireless microphone systems digital media recording/playback capability all equipment mounted in rack cabinet(s) budget of $500,000

4 Venue Illustration

5 System Design Constraints Minimum SPL of 105 db required with ±5 5 db overall Array size & placement Speaker Aiming Venue materials (walls, floor, ceiling) Budget of $500,000 Speaker selection: MICA, MILO, M ELODIE Mixing console: Avid SC48 Microphones: Shure, Sennheiser, Neumann Support 20 compatible wireless channels 10 Shure ULXP4D dual channel wireless microphone receivers 6 Shure P10R wireless monitor receiver

6 Loudspeaker Selection, Placement, and Rigging Exclusive use of Meyer Sound High end audio products Consistent quality Reliable customer service (repairs, replacements) QuickFly rigging

7 EASE Simulation Results 1 khz 2 khz 4 khz 8 khz

8 Power Amplifier Requirements and Selection All of the loudspeakers chosen have amplifiers in them MILO: 4 channel MOSFET amplifier MICA: 4 channel MOSFET amplifier M elodie: 3 channel MOSFET amplifier USM-1P: 2 channel MOSFET amplifier 600-HP: 2 channel MOSFET amplifier

9 Signal Processing Requirements and Selection Meyer Sound Galileo Processing Easily drives Meyer Sound powered speakers Low and high pass filters Parametric filters Equalization Atmospheric Correction filters

10 Mixing Console Requirements and Selection Avid SC48 Digital mixing console 48 Channel Input / 32 Channel Output FOH and Monitor mixes

11 Microphone Requirements and Selection Shure SM57 Shure SM58 Sennheiser MD421 Shure ULX2/58 Neumann KM184 Shure KSM44

12 Signal Path Wiring Diagram

13 Rack Requirements and Design Motion Labs A 200 amp power distributor Shure ULXP4D Dual Channel Wireless Mic Receiver Support up to 2 wireless monitor receivers per unit Support for multiple wireless mic connections Meyer Sound Galileo 616 Processor Drive Meyer Sound speakers Low and high pass frequency filters Equalization

14 Rack Design

15 Cabling and Wiring Requirements XLR cables of 10ft and 25ft NL4 cable 3ft TRS ¼ balanced and unbalanced cables 8 channel powered 50 ft snake 12 channel powered 75 ft snake 8 channel 2 meter snake

16 System Component List and Street Price Cost Estimate Manufacturer Model No. Description Unit Cost Qty Total Cost Meyer Sound MILO Mains 15, , Meyer Sound MICA Balcony and under balcony fills 11, , Meyer Sound M elodie Side and Front Fills 6, , Avid Venue SC48 Mixing Console 28, , Meyer Sound USM-1P Monitors 4, , Meyer Sound 600HP Subs 8, , Shure ULXP4D Dual Channel Wireless Microphone Receiver 1, , Motion Labs A 200 Amp Power Distribution 2, , Meyer Sound Galileo 616 Processor Processor 7, , Shure P10T Dual Wireless Monitor Transmitter Shure ULX2/58 Wireless Microphones , Shure P10R Wireless Monitor Receiver , Shure KSM44 Microphones , Neumann KM184 Pair of Condensor Microphones 1, , Sennheiser MD421 Microphones , Lenovo D30 Computer 1, , Seismic Audio SASPS 12x4x50 8 channel powered snake ETA PD11SSP Power Sequencer Hosa 25ft XLR cable Seismic Audio SASPS 12x4x75 12 channel powered snake Middle Atlantic WRK-37SA-27 37U steel rack (black) Shure SM57 Microphones Shure SM58 Microphones Middle Atlantic WRK-24SA-27 24U steel rack (black) Hosa 10ft XLR cable Whirlwind 25ft NL4 cable Lenovo L2251X Display Monitor Hosa XLR802 8 channel snake cable 2 meters Middle Atlantic CBS-WRK-27 Caster base Middle Atlantic PSDR16 16U plexiglass security door Hosa CSS103 3ft 1/4inch cable balanced Middle Atlantic HP 100 pack rack screws Middle Atlantic EB1 1U Black panel Hosa CPP103 3ft 1/4 cable unbalanced Middle Atlantic EB2 2U black panel TOTAL COST 498,478.38

17 Summary and Recommendations Develop sound system for venue Success at meeting sound field and system requirements Extra funds Dual channel equalizer Extra mic receivers as needed Compressor Power amps

18 Questions / Discussion