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KAC-PS501F
4-CHANNEL POWER AMPLIFIER
INSTRUCTION MANUAL
© B64-1444-00 (EM)
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Safety precautions • To prevent a short circuit when replacing a 2WARNING fuse, first disconnect the wiring harness. To prevent injury or fire, take the following NOTE precautions: • When extending the ignition, battery, or • If you experience problems during ground cables, make sure to use automotive- installation, consult your Kenwood dealer. 2 grade cables or other cables with a 10 mm • If the unit does not seem to be working right, 2 (AWG8) [5 mm (AWG10) · 2] or more to consult your Kenwood
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Installation Self-tapping screw Exhaust outlet Cooling fan Air inlet
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Controls SPEAKER OUTPUT A LEFT RIGHT B FUSE(20A· 4) BRIDGED BATT. GND A # B CONTROL A INPUT SENSITIVITY(V) 2 @ 3 1 4 0.5 1 2 3 4 5 FREQ (Hz) 5 0.2 (MIN)(MAX) OFF 25Hz HPF LPF STEREO MONO AB A 15Hz OFF INFRASONIC FILTER OPERATION INPUT SELECT MONO CONTROL A CONTROL B L L INPUT SENSITIVITY(V) INPUT SENSITIVITY(V) P.CON EXT.AMP.CONT. $ 2 B.M.S. 80 2 GND FREQ(Hz) 3 3 1 1 (REMOTE) 4 4 R OPEN/ B.M.S. 0.5 0.5 FREQ (Hz) CLOSE FREQ (Hz) 5 0.2 R 50 100 5 0.2 (MIN)(MAX) (MIN)(MAX) % 25Hz LPF LPF 25Hz OFF H
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& FILTER FREQUENCY CONTROL B A INPUT SENSITIVITY(V) B.M.S. 80 2 FREQ(Hz) 3 1 (REMOTE) COOLING FAN 4 OPEN/ B.M.S. AIR 0.5 INDUCTION 50 200 50 200 CLOSE 5 0.2 FREQ (Hz) OPERATION/PROTECTION 50 100 LO PASS HI PASS (MIN)(MAX) POWER 4/3/2 CHANNEL POWER AMPLIFIER OPEN/CLOSE B FILTER B.M.S. HPF LPF OFF 25Hz FREQUENCY A STEREO MONO (+6) OFF 15Hz LOW VOLTAGE OPERATION B.M.S. FILTER INFRASONIC 50 200 50 200 LO PASS HI PASS B B.M.S. 50 200 50 200 50 200 50 200 LO PASS HI PASS LO PASS HI PASS ^ @ INPUT SEL
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B.M.S. (Bass Management System) 2 B.M.S. 80 FREQ(Hz) (REMOTE) OPEN/ B.M.S. CLOSE 50 100 1 B.M.S. (+6) COOLING FAN AIR B.M.S. INDUCTION OPERATION/PROTECTION 4/3/2 CHANNEL POWER AMPLIFIER POWER OPEN/CLOSE FILTER FREQUENCY A LOW VOLTAGE OPERATION/PROTECTION 50 200 50 200 LO PASS HI PASS B B.M.S. 50 200 50 200 3 LO PASS HI PASS OPEN/CLOSE LOW VOLTAGE B.M.S. indicator B.M.S. n If the unit is not going to be operated from the outside: 1 B.M.S. switch NOTE This boosts the bass, focusing mainly on • If
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n If the unit is going to be operated from the centre unit: The amount of bass boost and the opening/closing of the slide panel can be controlled from the centre unit. Additionally, up to 3 power amplifiers can be set at the same time. NOTE Kenwood centre units released in 1999 or later having an “EXT.AMP.CONT.” cable operate this unit. Instructions on how to operate the centre unit will be found in the instruction manual supplied with the centre unit. 1 B.M.S. switch 2 B.M.S. FREQUENCY contro
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Indicator 1 2 COOLING FAN COOLING FAN AIR INDUCTION 3 OPERATION/PROTECTION OPERATION/PROTECTION 4/3/2 CHANNEL POWER AMPLIFIER POWER OPEN/CLOSE FILTER FREQUENCY A LOW VOLTAGE 50 200 50 200 LO PASS HI PASS OPEN/CLOSE B B.M.S. 50 200 50 200 LO PASS HI PASS 4 LOW VOLTAGE B.M.S. 5 n PROTECTION function 1 POWER indicator This unit incorporates a protection function This indicator glows when the unit's power which protects the main unit and speakers is turned ON. from troubles. The unit stops to func
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Connection n Power cable connection 2WARNING To prevent fire caused by a short in the wiring, connect a fusible link or breaker nearby the battery’s positive terminal. Wiring • If a buzzing noise is heard from the speakers when the engine is running, connect a line noise filter (optional) to each of the battery cable. • Do not allow the cable to directly contact the edge of the iron plate by using Grommets. • Connect the ground cable to a metal part of the car chassis that acts as an electrical
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Connection n RCA cable connection B Left input A Left input MONO CONTROL CONTROL A B L L INPUT SENSITIVITY(V) INPUT SENSITIVITY(V) P.CON EXT.AMP.CONT. B.M.S. 2 GND 80 2 FREQ(Hz) 3 3 1 1 (REMOTE) 4 4 R OPEN/ B.M.S. 0.5 0.5 FREQ (Hz) CLOSE FREQ (Hz) 5 0.2 R 50 100 5 0.2 (MIN)(MAX) (MIN)(MAX) OFF 25Hz HPF LPF B.M.S. HPF LPF OFF 25Hz STEREO MONO AB A A B A + B STEREO MONO 15Hz OFF (+6) OFF 15Hz INFRASONIC FILTER OPERATION INPUT SELECT LINE IN LINE OUT OPERATION B.M.S. FILTER INFRASONIC RCA cable gr
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n Speakers cable connection (Stereo Connections) Front Left speaker Front Right speaker Lead terminal * A Left output A Right output SPEAKER OUTPUT A LEFT RIGHT B FUSE(20A· 4) BRIDGED GND A BATT. B Speaker output terminals BRIDGED B Right output B Left output A B L R Rear Right speaker Rear Left speaker (Bridged Connections) Speaker (Bridged) Lead terminal * A Bridged output SPEAKER OUTPUT A LEFT RIGHT B FUSE(20A· 4) BRIDGED BATT. GND A B Speaker output terminals BRIDGED B Bridged output A
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Connection n Control terminal Attach the connection terminal to a commercially available wiring cable for in-car use, and connect it to the unit. NOTE An EXT.AMP.CONT. terminal can only be attached if Kenwood centre unit is a model released in 1999 or latter, and has an “EXT.AMP.CONT.” cable. Using the external amp control, up to 3 power amplifiers can be operated simultaneously (although this may not be possible, depending on the type of wiring cable used, and its length). Power control lead
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System examples n High-power 2-channel system FILTER HPF LPF FREQUENCY STEREO MONO OFF A L Left L OPERATION FILTER A INPUT SENSITIVITY(V) R speaker 2 CENTRE UNIT FREQ (Hz) 3 CONTROL A 1 50 200 50 200 4 LO PASS HI PASS OFF 25Hz 0.5 15Hz R L 5 0.2 INFRASONIC (MIN)(MAX) B Right Switch setting R AB A B.M.S. speaker INPUT SELECT HPF LPF 80 STEREO MONO OFF FREQ(Hz) B L OPERATION FILTER LINE (REMOTE) OPEN/ B.M.S. INPUT SENSITIVITY(V) OUT R 2 CLOSE FREQ (Hz) 50 100 3 1 CONTROL B 50 200 50 200 4 OFF 25H
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Troubleshooting Guide What might appear to be a malfunction in your unit may just be the result of slight misoperation or miswiring. Before calling service, first check the following table for possible problems. PROBLEM POSSIBLE CAUSE SOLUTION No sound. • Input (or output) cables are • Connect the input (or output) (No sound from one side.) disconnected. cables. • Protection circuit may be • Check connections by referring activated. to "Indicator". • The fuse may be blown because • Replace the f
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Specifications Specifications subject to change without notice. Audio Section Max Power Output (4 Ω) 4 Channel Mode ........................................................................................................150 W · 4 3 Channel Mode....................................................................................150 W · 2 + 600 W · 1 2 Channel Mode ........................................................................................................600 W · 2 Rated Power Output (4
