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9. FRONT CHANNEL HIGH-PASS FREQUENCY SELECTOR:

 For selection of front channel high-pass 

crossover frequency between 32Hz and 800Hz (or 320Hz and 8KHz when its frequency multiplier is at x10 
position).

10. REAR CHANNEL HIGH-PASS FREQUENCY SELECTOR: 

For selection of rear channel high-pass 

crossover frequency between 32Hz and 800Hz.

11. FRONT CHANNEL HIGH-PASS FREQUENCY EXTENDER: 

Positioning the switch at the x10 position changes, 

the range of selectable crossover frequency for the front channel high-pass from 32Hz to 800Hz, 320Hz - 8KHz.

12. REAR CHANNEL HIGH-PASS FREQUENCY EXTENDER: 

Positioning the switch at the x10 position changes, 

the range of selectable crossover frequency for the front channel high-pass from 32Hz to 800Hz,320Hz - 8KHz
.

13. SUBWOOFER FREQUENCY SELECTOR: 

For selection of the low-pass crossover frequency for the subwoofer 

channel between 50Hz and 160Hz.

14. BASS-BOOST FREQUENCY CONTROL: 

For setting the frequency (from 40Hz to 120Hz)at which the 

BASS-BOOST circuitry generates frequency boost to equalize the woofer enclosure.

15. BASS-BOOST LEVEL CONTROL: 

For selection of the boost level (from 0 to +12 dB).

16. PHASE INVERTER: 

Positioning the switch to the 180 position shifts the subwoofer output signals 180 degrees 

out-of-phase relative to the front and rear output signals.

17. SUBWOOFER STEREO/MONO SWITCH: 

For selection of stereo or mono mode subwoofer output.

18. FRONT CHANNEL OUTPUT GAIN CONTROL: 

For adjusting the front channel output signal level.

19. LEFT/RIGHT FRONT CHANNEL OUTPUT TERMINALS: 

To be connected to the front channel amplifier 

left/right inputs.

20. REAR CHANNEL OUTPUT GAIN CONTROL: 

For adjusting the rear channel output signal level.

21. LEFT/RIGHT REAR CHANNEL OUTPUT TERMINALS: 

To be connected to the rear channel amplifier 

left/right inputs.

22. SUBWOOFER OUTPUT GAIN CONTROL: 

For adjusting the subwoofer channel output signal level.

23. LEFT/RIGHT SUBWOOFER OUTPUT TERMINALS: 

To be connected to the subwoofer channel amplifier 

left/right inputs.

24. SUBWOOFER OUTPUT LEVEL REMOTE CONTROL TERMINAL: 

To be connected to the remote 

control for exclusive maneuver of the subwoofer output level, and the subwoofer output level control on the 
unit (22 above) is by-passed.

WIRING DIAGRAM : Power Connection

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