Infinity BU-80, BU-150, BU-120 owner manual Identification of Controls and Connecting AC Power

CONTROLS...

BEFORE CONNECTING

YOUR SUBWOOFER...

Figure 2.

IDENTIFICATION OF CONTROLS AND CONNECTING AC POWER

Refer to Figure 2 to identify the controls of your subwoofer’s internal amplifier:

❶High-Level Input and Output terminals

❷Low-Level Input jacks: connect to preamplifier outputs

❸Crossover Frequency: controls upper-corner roll-off point

❹Power-On Indicator

❺Phase: reverse/normal switch to flip audio-signal polarity (except BU-80)

❻Volume 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 –	– R	+			❹
		Low-Level In	Crossover		Power
SPKR			Frequency			Volume
In		L
					Phase
SPKR		R
Out			50	150		Min	Max
	❶	❷	❸		❺	❻

Digital Technology

120V			CAUTION
			RISK OF ELECTRIC SHOCK
60Hz
	®		DO NOT OPEN
160W		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