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BU Series Powered Subwoofers – Owner’s Manual
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7
C
ONTROLS
...
B
EFORE
C
ONNECTING
Y
OUR
S
UBWOOFER
...
Figure 2.
IDENTIFICATION OF CONTROLS AND
CONNECTING AC POWER
Refer to Figure 2 to identify the controls of your subwoofer’s internal amplifier:
❶
High-Level Input and Output terminals
❷
Low-Level Input jacks: connect to preamplifier outputs
❸
Crossover Frequency: controls upper-corner roll-off point
❹
Power-On Indicator
❺
Phase: reverse/normal switch to flip audio-signal polarity (except BU-80)
❻
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.
®
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.
Digital
Technology
SPKR
In
SPKR
Out
+ L –
– R +
120V
60Hz
160W
50 150
L
R
Low-Level In Crossover
Frequency Volume
Power
Phase
Min Max
❹
❸❷
❶
❺
❻