KEY to Callouts

-16 -17

-18

Front View

1.Power LED - Indicates amplifier power, either in High Power or Auto High

Current.

2.Clip Indicators - Indicates the signal output level is too high and the output stage of the amplifier is clipping.

3.Subsonic, Hawkins Bass Control, H.P. Xover Switch - Selectable high pass filter frequency range. Select “SUB SONIC” to engage the Sub Sonic filter with no boost. Use the knob indicated by callout #I2 to set the frequency:

13-30Hz). Select “Hawkins Bass Control” to engage the Sub Sonic filter with available boost. Use the knob indicated by callout #I2 to set the frequency: 30 Hz to 70 Hz. Select “H.P.XOVER” to engage the amplifier’s high pass filter for running satellite speakers. Use the knob indicated by callout #I2 to set the frequency: 70-I 60 Hz.)

4.Low Pass XOVER Switch - Selectable low pass filter for driving subwoofers. Use the knob indicated by callout #I3 to set the low pass frequency. Note: Do not have the *‘L.P XOVER” and the “HR XOVER” engaged at the same time.

5.MONO/SUM/ST Switch - “MONO” for bridged mono operation with a single input signal (right channel only). ‘SUM” for bridged mono operation sum- ming two input signal (left and right). “ST’for normal stereo operation,

6.Left Channel Balanced/Unbalanced Input Selector - Select “BALANCED” to use the 6 pin Balanced signal input. Select “UNBALANCED” to use the RCA signal inputs.

7.Right Channel Balanced/Unbalanced Input Selector - Select “BALANCED” to use the 6 pin Balanced signal input. Select “UNBALANCED” to use the RCA signal inputs.

8.RCA Inputs - Right and Left channel RCA (Unbalanced) inputs.

9.Balanced Signal Input Connector - 6-Pin Balanced input connector for use with the Soundstream BLT/BLT4 Balanced Line Trasmitter.

10.Input Levels - Independent Left and Right input level controls.

I l . Hawkins Bass Control “Boost” Adjustment - Varies from 0 to +9 dB of boost when the Hawkins Bass Control circuit is engaged.

12.High Pass Filter Control Adjustment - Frequency adjustment control for the High Pass filter, the Hawkins Bass Control filter, or the Sub Sonic filter.

13.Low Pass Filter Control Adjustment - Frequency adjustment control for the Low Pass filter.

14.Line Outputs - Line level RCA outputs to drive an external amplifier (Note: The outputs are full-range.)

15.Speaker Connection Terminal - Speaker connections for Ch’s 1 & 2.

16.REMOTE - Remote turn-on input from the head unit. Accepts +12V.

17.GND - Main ground connection. Bolt to a clean chassis point in the vehicle.

18.+12V - Connected to a fuse or circuit breaker, then to the battery’s positive terminal

19.FUSE - Main power supply fuse. Warning: Replace only with the same value fuse!