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Troubleshooting Guide
The following checklist will assist in the correction of most problems which you may encounter with your
unit.
Before going through the checklist below, refer to the connection and operating procedures.
Problem
The POWER/PROTECTOR
indicator does not light up
Cause/Solution
The fuse is blown. —> Replace the fuse with a new one.
The ground lead is not securely connected. —» Fasten the ground lead
securely to a metal point of the car.
The voltage going into the remote terminal is too low.
¢ The connected master unit is not turned on. —+ Turn on the master unit.
* The system employs too many amplifiers. + Use a relay.
Check the battery voltage (10.5 - 16 V).
The OVER CURRENT indicator light up Turn off the power switch. The speaker outputs are short-circuited. +
in amber.
:
Rectify the cause of the short-circuit.
The OFFSET indicator lights up in
Turn off the power switch. Make sure the speaker cord and ground lead
amber.
are securely connected.
The THERMAL indicator lights up in = The unit heats up abnormally.
amber.
Use speakers with suitable impedance.
'
- HI-CURRENT mode: 1 to 8 Q.
- HI-VOLTAGE mode: 2 to 8 Q.
Use HI-CURRENT mode to reduce generated heat.
¢ Make sure to place the unit in a well ventilated location.
Alternator noise is heard.
The power connecting leads are installed too close to the RCA pin cords.
— Keep the leads away from the cords.
The ground lead is not securely connected. —+ Fasten the ground lead
securely to a metal point of the car.
Negative speaker leads are touching the car chassis. + Keep the leads
away from the car chassis.
The sound is muffled.
The FILTER selector switch is set to the "LPF" position.
The sound is too low.
The LEVEL adjustment control is set to the "MIN" position.
Specifications
AUDIO POWER SPECIFICATIONS
POWER OUTPUT AND TOTAL HARMONIC DISTORTION
100/50 watts per channel minimum continuous average power into
4 ohms, both channels driven from 20 Hz to 20 kHz with no more
than 0.04% total harmonic distortion per Car Audio Ad Hoc
Committee standards.
Other Specifications
Circuit system
OTL (output transformerless)
circuit
Pulse power supply
Inputs
RCA pin jacks
High level input connector
Outputs
Speaker terminals
rough out pin jacks
Speaker impedance
1* -8 Q (stereo)
2* ~ 8 QO (when used as a bridging
amplifier)
Maximum outputs (HI-CURRENT/HI-VOLTAGE)
120/230 W x 2 (at 4 Q)
380/580 W (monaural) at 4 2
Rated outputs (HI-CURRENT/HI-VOLTAGE)
(supply voltage at 14.4 V)
50/100
W x 2 (20 Hz - 20 kHz,
0.04 % THD, at 4.Q)
70/140 W x 2 (20 Hz — 20 kHz, 0.1
% THD, at 2 Q)-
140/280 W (monaural) (20 Hz - 20
kHz, 0.1 % THD, at 49)
Frequency response
P
5 Hz —50 kHz (dB)
Harmonic distortion
0.005 % or less
(at 1kHz, 4)
Input level adjustment range
0.2 - 4.0 V (RCA pin jacks)
0.4 -8.0 V (High level input)
High-pass filter
50 - 200 Hz, -12 dB/oct
Low-pass filter
50 - 200 Hz, -12 dB/oct
Low
boost
0-10
dB (40 Hz)
Power requirements 12 V DC car battery
(negative ground)
Power supply voltage
10.5-16V
Current drain
at rated output: 26 A
(4Q HI-VOLTAGE mode)
Remote input:
2mA
Approx. 258 x 50 x 320 mm
(103/4x2x125/sin.)
(i/h/p) not incl. projecting parts
and controls
Mass
Approx. 3.3 kg (7 Ib. 4 oz.) not
_ _ incl. accessories
Supplied accessories
Mounting screws (4),
Terminal cap (1)
Optional accessories
Connecting cord for power
amplifier RC-46
Dimensions
Design and specifications are subject to change
without notice.
* HI-CURRENT only
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