Power Series OM 6/11/99 11:13 AM Page 5
Wiring the Input-Signal
Connections
Connect a pair of signal cables with
RCA-type ends between the connectors
on the amplifier and the RCA-type signalSetting Input Level
connectors on the source unit. If yourInitially, turn the input-sensitivity LEVEL
radio has only speaker-level outputs, youThe BP150.1, BP300.1, BP600.1 and System Setup and Adjustmentcontrol to its maximum (counter-clock-
should connect them to the speaker-levelBP1200.1 are designed to provide con-Refer to figures 1�6 for location ofwise) position. Turn on the source unit
input connectors, observing properstant bass regardless of the position ofadjustment switches and controls.and increase the volume control until it
polarity. When using the speaker-levelthe source unitOs front-to-rear fader posi-Electronic Crossover and Bass Boostis approximately three-quarters of maxi-
inputs, it is not necessary to connect ation. Use of this feature requires that allP80.2, P80.4, P180.2mum-output level. Slowly increase the
wire between the Oremote� terminal offour inputs are connected to the sourceThe electronic crossover can be selectedinput LEVEL control (clockwise) while lis-
the amplifier and the Oremote� lead fromunit as labeled on the amplifier (front,as a 12dB/oct. high-pass filter (HPF)tening to the quality of the reproduced
the source unit. The speaker-level inputsrear, right and left). If your source unit12dB/oct. low-pass filter (LPF) or it sound. When you hear distortion on the
will sense voltage on the speaker has only one pair of RCA-type outputcan be defeated (FLAT). The crossovermusic peaks, turn the LEVEL control
outputs and turn the amplifier on connectors and a pair of speaker-levelfrequency can be set at any frequencyback slightly. This is the maximum
automatically.outputs, you may connect the RCA out-between 32Hz and 320Hz.undistorted output level of your system.
If you are installing a P80.4 amplifier andputs to a pair of amplifier input channelsBP150.1, BP300.1, BP600.1, BP1200.1Turning the LEVEL control up farther
your source unit has only one pair of(front or rear), and the speaker level out-These amplifiers are designed to WILL NOT INCREASE THE OUTPUT
RCA-type output connectors and a pairputs to the other pair of amplifier inputdrive subwoofers. Consequently, the POWER OF YOUR AMPLIFIER! It will
of speaker-level outputs, you may channels. If nonfading bass is not impor-electronic crossover is a 12dB/oct. only decrease the amount of volume-
connect the RCA outputs to a pair oftant in your system, connect a pair oflow-pass filter which can be set at anycontrol rotation before the amp is at full-
amplifier input channels (front or rear),inputs, either speaker-level or RCA-type,frequency between 32Hz and 320Hz.output power. It will also increase the
and the speaker-level outputs to theto either the front or rear input connec-The bass boost control will provide upamount of extraneous noise present in
other pair of amplifier input channels.tors on the amplifier. to 6dB of boost at 50Hz.your system.
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ACEC
