Controls And Their Function - Infinity BU-150 Service Manual

Amplifier/Subwoofer
1.
High-Level input and Output terminals
2.
Low-Level Input Jacks: connect to preamplifier outputs
3.
Low Pass: This is the crossover frequency control
which determines the upper-corner roll-off points.
4.
Power-On indicator
5.
Phase: 0/180 switch to change audio-signal polarity.
6.
Level: This controls the volume level of the subwoofer.

CONTROLS AND THEIR FUNCTION

1
2
3
4
5
6
BU-150
120V
60Hz
250W
TO REDUCE THE RISK OF ELECTRIC SHOCK. DO NOT
EXPOSE THIS EQUIPMENT TO RAIN OR MOISTURE
BU-150
SPKR SPKR
OUT
R R
L L
L R
Line Input
Low
Pass
50
150
Phase Power
o o
0 180
Level
Min
Max
Digital
Technology
Powered Subwoofer
CAUTION
RISK OF ELECTRIC SHOCK
DO NOT OPEN
IN
6