Precision Power PC6800 - Manual (Page 17)

The first row of controls on the top of your Pro6800 allow you
to send a variable highpass signal (20 Hz to 20 KHz) to
Channels 1/2. (12dB/octave) With the X10 switch in the "out"
position, crossover adjustment can be made by turning the
highpass dial up or down for crossover points between 20 Hz
and 2000 Hz. By pressing the X10 switch "in" you are able to
make crossover adjustments between 200 Hz and 20 KHz. A
separate gain control is designated for these channels and
should be adjusted according to page 16.
The second row of controls on the top of your Pro6800 allow
you to send a variable highpass or bandpass signal (20 Hz to
20K Hz) to Channels 3/4. These controls operate in the same
fashion as above. The first set of controls are the highpass
side of the bandpass, and the second set of controls are the
lowpass side of the bandpass. In order to get a full highpass to
20 KHz press the second X10 switch in and turn the second
(lowpass) dial fully clockwise to 20 KHz position.
The third row of controls on the top of your Pro6800 operate in
the same fashion as Channels 3/4 crossovers. However, you
have one more option on these channels: you can select a
bandpass crossover (bandpass 2 - third row) or lowpass (fourth
row). By leaving the LP/BP switch out the bandpass 2 signal
will be assigned to CHANNEL 5/6 and lowpass assigned to the
RCA outputs.By pressing the LP/BP switch in, the lowpass
(fourth row) will be assigned to CHANNEL 5/6 and bandpass 2
assigned to the RCA OUTPUTS. The lowpass dial can be
adjusted from 50 Hz to 500 Hz and provides a 24dB/octave
slope.
CROSSOVER Operation
15
Your new POWERCLASS ™ amplifier has crossover circuits built-in to
provide exceptional system flexibility without the added expense and
installation of an outboard crossover.
CHANNELS 1/2
CHANNELS 3/4
CHANNELS 5/6
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