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Mono Subwoofer Operation
When the amplifier is configured for mono operation, use the speaker output terminals marked for
mono use.
WARNING! Subwoofer impedance must not fall below 2 ohms when in MONO mode.
Installation—Fuses & Wiring (cont.)
1) Music
The material chosen for head unit/amplifier system setup must be both clear in recording quality and dynam-
ic in amplitude. Many audiophile “test” discs have musical tracks with both of these characteristics and should
be used.
2) Input Sensitivity Control
Turn control all the way counterclockwise (minimum position). In this position,
the amplifier will be less sensitive to the input signal from the head unit.
Setup Tuning—Full-range Speakers
Highpass Crossover Control
Lowpass Crossover Control
3) Highpass & Lowpass Crossover Controls
Crossovers should be turned “OFF” during this phase of setup. Move the HIGHPASS and LOWPASS
switches to the “OFF” position—with these settings, full-range signal is sent to the speaker outputs. If bot-
toming is detected from speakers, move HIGHPASS switch to “ON” and slowly rotate clockwise until bot-
toming is eliminated.
2-ohm minimum