8
(C) TRI MODE
TRI MODE OPEATIONAL OUTPUT allows a Crossover (Subwoofer) to be operated in MONO
mode while the main speakera are playing in Stereo.
Leave the Crossover (Subwoofer) switch on “Full” position.
Use a 100 Volt, non-polar capacitor for a high pass crossover and a wire coil (inductor) to
block high frequencies from the Crossover (Subwoofer) as shown in the figure below.
Capacitor and inductor values as written in the below determine the crossover
frequencies.
The front and rear channels of this amplifier get this capability.
Only the rear left and right channels are shown below.
COMPONENT VALUES FOR 6dB PASSIVE CROSSOVER
FREQUENCY INDUCTOR CAPACITOR
80 Hz
100 Hz
120 Hz
150 Hz
7.5 mH
6.5 mH
5.5 mH
4 mH
470 uF
330 uF
330 uF
220 uF
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