INSTRUCTION MANUAL POWER ON TALK BACK AUX VOLUME PA & TALK BACK AMPLIFIER TONE VOLUME MIC OFF PAT-20TB PA Min Max Low Hi Min Max Mic input 3mv/5k PAT-20TB MOBILE PUBLIC ADDRESS AMPLIFIER WITH TALK BACK SYSTEM SPECO TECHNOLOGIES PROFESSIONAL SERIES
CAUTION RISK OF ELECTRIC SHOCK DO NOT OPEN CAUTION: TO REDUCE THE RISK OF ELECTRIC SHOCK. DO NOT REMOVE COVER (OR BACK). NO USER-SERVICEABLE PARTS INSIDE. REFER SERVICING TO QUALIFIED SERVICE PERSONNEL. WARNING To prevent fire or shock hazard, do not expose the unit to rain or moisture. This symbol is intended to alert the user to the presence of uninsulated "dangerousvoltage" within the product's enclosure that may be of sufficient magnitude to constitute a risk of electric shock to persons. This symbol is intended to alert the user to the presence of important operation and maintenance (servicing) instructions in the literature accompanying the appliance. Caution: To prevent electric shock do not use this (polarized) plug with an extension cord, receptacle or other outlet unless the blades can be fully inserted to prevent blade exposure. Attentions: Pour pr* venir les chocs * lectriques ne pas utiliser cette fiche polaris* e avec un prolongateur, une prise de courant on une autre sortie de courant, sauf si les lames peuvent * tre ins* r* ss & fond sans en laisser aucune partie & d* couvert. ATTENTION INSTALLER BEFORE INSTALLING THIS EQUIPMENT,PLEASE READ THE INSTRUCTION MANUAL THOROUGHLY. IF YOU ARE NOT TOTALLY FAMILIAR WITH THE INSTALLATION OF THIS TYPE OF APPARATUS, PLEASE SECURE THE ASSISTANCE OF A QUALIFIED TECHNICIAN. IF THE UNIT IS NOT CONNECTED PROPERLY, DAMAGE MAY RESULT AND YOUR WARRANTY MAYBEVOIDED.
Your mobile P.A. AMPLIFIER has been designed using the latest electronic technology available. This technology allows you to control the P.A. volume separately for Microphone or Auxiliary inputs. Your unit also comes with a tone control that allows you to adjust the frequency response. CAUTION : Before installation/operation read your manual completely. SPECIFICATIONS POWER OUTPUT : 20 WATTS RMS (EXT) TALK BACK POWER OUTPUT : 4 WATTS RMS (INSIDE SPEAKER) OUTPUT IMPEDANCE : 4 or 8 OHMS TOTAL HARMONIC DISTORTION : Less than % at 0 Watts output FREQUENCY RESPONSE : 50Hz - 20KHz Within -3dB TONE CONTROL : 0-2dB ADJUSTABLE AT 0 KHz AUX INPUT SENSITIVITY : 200mV/0K ohms MIC INPUT SENSITIVITY : 2.5mV/5K ohms SIGNAL TO NOISE RATIO : More than 70dB POWER SOURCE : V TO 6V DC NEG GND FUSE : 3A DIMENSION : 5 /8"(W) X /4"(H) X 4 /2"(D) WEIGHT : 2 lbs.
Installation. Select a suitable mounting Location : A. Close enough to a 2 volt DC power source. B. Do not expose to extreme temperatures or moisture. Then install the system using the brackets, screws and washers provided as shown in figure #. Temporarily mount the brackets to the unit. Use the unit with brackets mounted as a template to mark the holes that are to be drilled. CAUTION : When drilling hole, be sure that you are not interfering with any electrical wiring. After marking location of drilling, carefully drill small, shallow holes. Then secure amplifier's brackets to mounting location. After the brackets are secure, mount amplifier into brackets. Refer to Figure #. 2. Mount the MIC. Bracket refering to figure #2. Figure # 2 Figure #2
. POWER ON/OFF SWITCH 2. POWER INDICATOR LED 3. TALK BACK & P.A. CONTROL SWITCH Talk back / P.A. control switch 4. AUX VOLUME CONTROL/CD VOLUME CONTROL Turn clockwise to increase volume level. 5. TONE CONTROL Bass tones emphasized when turned counter-clockwise, and treble tones emphasized when turned clockwise. 6. MIC VOLUME CONTROL Turn clockwise to increase volume level. 7. MIC INPUT PL55 JACK 8. AUX INPUT RCA JACK 9. CIGARETTE LIGHTER ADAPTOR CABLE 0. SPEAKER OUTPUT. TALK BACK SPEAKER (INSIDE TOP COVER) 3
ELECTRICAL AND SPEAKER WIRING TO SPEAKER (4-8ohms) MIC Cigarette Lighter Adaptor Figure #3 4
MIC INPUT JK C C5 82C R U/B 5 4558 + 7 6 - R2 27K R3 K C2 82C R6 C6 C3 0/50 U/A 4558 3 + 2 - R7 20K R8 390 C7 82C C8 AUX INPUT JK2 R23 6.8K B+ LINE POWER.SWITCH SW BATTERY POWER +2V GND LINE File C:\...\C SI\P AT- 20TB.sch Date 2005/07/06 Time 7:50 of Size No. Rev. A4 PAT-20TB SCHEMATIC.rev. Title.title~ speco technologies note note2 note3 note4 note5 C 000/6 D N4005 LD POWER.LED SP5 R 2.2K RY2 CH R59 /W C6 220/0 OUTPUT - VR2;0K AUX.VR. R22 6.8K C24 00/0 OUTPUT + Q4 C20 04C R33 2K 270 R20 VR;0K MIC.VR. Q5 R2 6.8K R34 20K R32 T C2 0/50 MI C.SW R55 0 6 C60 04M Q C56 47/0 R56 0 C52 4 RY R2 R3 D3 N448 TONE.VR VR3;0K R58 C9 R54 2.2K D2 N448 C25 393M 5 8 C58 00/0 R9 2.2K C53 0/50 7 U5 3 TDA2005 C55 47/0 C59 04M C23 0/50 R30 R3 2K C26 82C 2 R4 27K C5 R53 K R57 R28 2K Q2 R5 2.2K 0 C4 Q D N448 R29 SW TALK.BACK R52 20K C57 00/0 R25 2K C54 220/6 C2 0/50 C22 220/6 9 R26 2K R27 270 PAT-20TB SCHEMATIC DIAGRAM
FOR ASSISTANCE OR REPAIR SERVICE CONTACT 200 NEW HIGHWAY P.O. BOX 726 AMITYVILLE, N.Y. 70-0726 63-957- 8700-800- 645-556