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Detailed instructions for use are in the User's Guide.
[. . . ] A source unit with a minimum level of 200mV is required for proper operation. The use of high quality twisted pair cables is recommended to decrease the possibility of radiated noise entering the system.
6. High level inputs
The high level inputs are for use with speaker level wiring. Some source units do not have RCA outputs, so use this terminal for speaker level signal input. [. . . ] REMOTE
Connect the remote controller to control the subwoofer amplifier volume from the driver seat location, for ease of adjustment during playing.
8. LEVEL Control
The level control will match the amplifiers sensitivity to the source units signal voltage. The Operating range is 200mV minimum to 5V maximum. Low Pass Filter Control
This control is used to select the desired low pass x-over frequency. The frequency can be adjusted from 40Hz to 220Hz for all bass mono models.
10. Subsonic Filter Control
This control can filter out unwanted low frequency from 10Hz (OFF) to 50Hz. This function will increase the power handling of your woofers.
11. Bass Boost Level switch
This switch can boost bass level by 0dB, 6dB or 12dB. The boost frequency is centered at 50Hz.
12. Power Indicator
This LED will light up when amplifier works properly.
13. If using a subwoofer for 2-CH and 4-CH, bridge the channels by using the Left "+" and the Right "-" terminals.
WIRING DIAGRAM
Fig 3. Mono amplifier wiring (1 woofer load)
RCA signal
Source Unit
REMOTE signal
FUSE
Fig 4. Mono amplifier wiring (High level input mode)
A RC
l na sig
Source Unit
FUSE
ON/OFF control signal
WIRING DIAGRAM
Fig 5. Mono amplifier wiring (multi woofers)
RCA signal
Source Unit
REMOTE signal
*Equivalent parallel woofer load cannot be less than the minimum load rating. The 2 negative terminals are paralleled inside the amplifiers, as are the 2 positive terminals. These are monoblock amplifiers, not multichannel amplifiers.
FUSE
TROUBLE SHOOTING
Symptom Amplifier will not power up Protection LED Comes on
Possible Remedy Check to make sure you have a good ground connection. Check that there is battery power on the (+)terminal . Make sure that the Protection LED is not illuminated. Check for short circuits on speaker leads. Check the speaker load not beyond the minimum load. [. . . ] Check the speaker load not beyond the minimum load. Remove speaker lead, and reset the amplifier. If the protection LED still Comes on, then the amplifier is faulty and needs servicing . Check that the RCA audio cables are plugged into the proper inputs. [. . . ]
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