Assessments - 5, GPA: 4.2
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If the car stereo does not provide an Auto-Antenna lead, the remote turn-on lead may be wired to an "Accessory" or "Radio" terminal in the car's fuse block. This will turn the amplifier on and off with the ignition key, regardless of whether the car stereo is on or off. The remote turn-on lead does not carry large currents, so #20 gauge -4 wire may be used for this application. WIRINGINSTRUCTIONSWIRINGINSTRUCTIONS 4. Speaker Connections Depending on the type and number of speakers used with the amplifier, wire them to the speaker terminals as per the appropriate wiring diagram. For most applications, #18 gauge wire should be used for the speaker leads but in no case thinner than #20 gauge. For leads in excess of 10 feet, #16 gauge is recommended. When wiring the speakers, pay careful attention to the polarity of the terminals on the speakers and make certain they correspond to the polarity of the corresponding terminals on the amplifier. DO NOT ground any speaker leads to the chassis of the vehicle. 5. Input Connections This amplifier features both high and low-level input capability. Use either the low-level or high-level inputs, not both. If low-level outputs are provided from the car stereo, it is recommended that the low-level inputs be used for lowest distortion and best performance. Use good quality shielded audio cables with RCA plugs at both ends to connect the stereo to the amplifier and keep the cable lengths to a minimum to avoid noise. If the car stereo does not provide low-level outputs, the amplifier may be connected via the speaker (high-level) outputs from the stereo. Wire the speaker leads from the car stereo to the 4-pin adaptor harness as shown in the diagram (shielded cable is not required for this application) and plug the connector into the mating High-Level Input connector on the amplifier. Carefully splice and insulate all wire connections. CAUTION: Use either the low-level or the high-level inputs on the amplifier. DO NOT use both input levels at the same time. -5 4-PINCONNECTORIMPORTANTUSEEITHERHIGH-LEVELORLOW-LEVELINPUTS,NOTBOTH. HIGH-LEVEL(SPEAKER)OUTPUTSCARSTEREOUSETHISINPUTWIRINGWITHOUTPUTWIRINGONPAGE7-6- STEREOANDMIXED-MONOINPUTWIRINGDIAGRAMRCATYPESHIELDEDCABLE(NOTINCLUDED) RIGHT+ 34RIGHT- 52LEFT- LEFT+ LOW-LEVELRCAOUTPUTSWHITEw/BLACKSTRIPEWHITEGRAYGRAYw/BLACKSTRIPELEFTRIGHT1CARSTEREOUSETHISINPUTWIRINGWITHOUTPUTWIRINGONPAGE7-6- STEREOANDMIXED-MONOINPUTWIRINGDIAGRAMRCATYPESHIELDEDCABLE(NOTINCLUDED) RIGHT+ 34RIGHT- 52LEFT- LEFT+ LOW-LEVELRCAOUTPUTSWHITEw/BLACKSTRIPEWHITEGRAYGRAYw/BLACKSTRIPELEFTRIGHT1 EXISTINGSCREWORBOLTCLEANPAINT,RUST,DIRTORGREASEFROMAREAFORGOODCONNECTIONGROUNDEDMETALSECTIONOFVEHICLEAUTO-ANTENNALEADUSETHISOUTPUTWIRINGWITHINPUTWIRINGONPAGE6STEREOANDMIXED-MONOOUTPUTWIRINGDIAGRAMLEFTSPEAKER m -m12VOLTVEHICLEBATTERYCHASSISGROUNDUSE#12GAUGEWIRE(SEETEXT) + CARSTEREOSTEREOMODE:2-8OHMSMIXED-MONOMODE:4-8OHMSMIXED-MONOSPEAKERORSUB-WOOFERWITHCROSSOVERRIGHTSPEAKERSTEREOMODE:2-8OHMSMIXED-MONOMODE:4-8OHMSCONNECTTHISWIRELAST-mm+ m+m-6EXISTINGSCREWORBOLTCLEANPAINT,RUST,DIRTORGREASEFROMAREAFORGOODCONNECTIONGROUNDEDMETALSECTIONOFVEHICLEAUTO-ANTENNALEADUSETHISOUTPUTWIRINGWITHINPUTWIRINGONPAGE6STEREOANDMIXED-MONOOUTPUTWIRINGDIAGRAMLEFTSPEAKER m -m12VOLTVEHICLEBATTERYCHASSISGROUNDUSE#12GAUGEWIRE(SEETEXT) + CARSTEREOSTEREOMODE:2-8OHMSMIXED-MONOMODE:4-8OHMSMIXED-MONOSPEAKERORSUB-WOOFERWITHCROSSOVERRIGHTSPEAKERSTEREOMODE:2-8OHMSMIXED-MONOMODE:4-8OHMSCONNECTTHISWIRELAST-mm+ m+m-6 4-8 OHMS -7 MONO(BRIDGED)INPUTWIRINGDIAGRAMMONO(BRIDGED)INPUTWIRINGDIAGRAM USE THIS INPUT WIRING WITH OUTPUT WIRING ON PAGE 9 HIGH-LEVEL LOW-LEVEL (SPEAKER)OUTPUTS CAR STEREO - RCAOUTPUTS TO 2nd + TO2ndAMPLIFIER AMPLIFIER - + 4-PIN CONNECTOR 1 "Y"RCATYPESHIELDEDCABLE(NOTSUPPLIED) IMPORTANTUSEEITHERHIGHORLOW-LEVELINPUTS,NOTBOTH. WHITEw/BLACKSTRIPEWHITEGRAYGRAYw/BLACKSTRIPE 2345 -8 USETHIS OUTPUTWIRING WITH INPUTWIRING ONPAGE 8 MONO (BRIDGED) OUTPUT WIRING DIAGRAM USE#12GAUGEWIRE(SEETEXT) CARSTEREO mm + - MONOSPEAKERORSUB-WOOFER4-8OHMS12VOLTVEHICLEBATTERYAUTO-ANTENNALEADCHASSISGROUNDCONNECTTHISWIRELASTEXISTINGSCREWORBOLTCLEANPAINT,RUST,DIRTORGREASEFROMAREAFORGOODCONNECTIONGROUNDEDMETALSECTIONOFVEHICLE -9 OPERATION After initial set-up, the amplifier should not require any further adjustment unless there is a change in the car stereo or speaker system with which it is used. 1 Power Indicator The Power LED functions as a power and warning indicator. The indicator is white when the power to the amplifier is off. When the indicator is green, the amplifier is operating normally. The LED illuminates red to indicate that the self-protection circuits have been activated and have shut off operation of the amplifier. The protection circuits may be triggered by the temperature of the unit rising above a safe level or by an overload condition. If activated by a rise in temperature, the unit will resume operation after cooling off to a normal operating range. If activated by an overload condition, the source of the overload ...