Infinity BU-120 Owner's Manual page 7

C
ONTROLS
B C
EFORE ONNECTING
Y S
OUR UBWOOFER
Figure 2.
I
DENTIFICATION OF
C
ONNECTING
...
Refer to Figure 2 to identify the controls of your subwoofer' s internal amplifier:
High-Level Input and Output terminals
Low-Level Input jacks: connect to preamplifier outputs
Crossover Frequency: controls upper-corner roll-off point
Power-On Indicator
Phase: reverse/normal switch to flip audio-signal polarity (except BU-80)
Volume Control: controls volume of subwoofer
Turn off your entire audio system prior to connecting your subwoofer.
...
Connect your subwoofer to an unswitched AC wall outlet.
+ L –
SPKR
In
SPKR
Out
120V
60Hz
160W
C
ONTROLS AND
AC P
OWER
– R +
Low-Level In Crossover
Frequency
L
R
50 150
Digital Technology
CAUTION
RISK OF ELECTRIC SHOCK
DO NOT OPEN
®
WARNING: SHOCK HAZARD – DO NOT OPEN.
AVIS: RISQUE DE CHOC ELECTRIQUE – NE PAS OUVRIR.
CUIDADO: PELIGRO DE CHOQUE ELECTRICO – NO ABRIR.
BU Series Powered Subwoofers – Owner' s Manual 7
Power
Volume
Phase
Min Max