1. CH 3/4 Gain control
This control is used to match the input signal of the source to the amplier for channels 3 and 4. See
the setup section for more details.
2. CH 3/4 Bass boost control
This control is used to add bass boost to the amplier for channels 3 and 4 and is variable between
0dB and +12dB and is centered at 45hz
3. CH 3/4 Phase shift control
This control is used to alter the output phase of the amplier for channels 3 and 4 and is variable
between 0° and 180°
4. CH 3/4 Subsonic lter control
This control is used to limit the very lowest frequencies passed to the speakers and is variable
between 15Hz and 40Hz.
5. CH 3/4 Low Pass Filter (LPF) control
This control is used to set the crossover frequency for channels 3 and 4 when LPF is
selected. The frequency is adjustable between 40Hz and 600Hz or 400Hz and 6000Hz depending on
the position of the multiplier switch.
6. CH 3/4 Low Pass Filter (LPF) frequency multiplier switch
This switch is used to select the frequency multiplier for the low pass lter for channels 3 and 4.
x 1 and x10 settings are selectable.
7. CH 3/4 Low Pass Filter (LPF) select switch
This switch is used to turn the LPF on or off for channels 3 and 4.
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CVEN Stereo 4 Terminals And Connections