Page 2 - ATTENTION: POUR EVITER LES CHOCS ELECTRIQUES, INTRODUIRE; C A U T I O N; RISK OF ELECTRIC SHOCK; AVIS: RISQUE DE CHOC ELECTIQUE – NE PAS OUVRIR.
THIS INFINITY PRODUCT IS DESIGNED FOR 120-VOLT USE ONLY! FOR DETAILED SAFETY PRECAUTIONS,PLEASE SEE PAGE 13 IN THIS OWNER'S MANUAL FOR “IMPORTANT SAFETY INSTRUCTIONS.” The lightning flash with arrowhead s y m b o l , w i t h i n a n e q u i l a t e r a ltriangle, is intended to alert theuser to the ...
Page 3 - IMPORTANT SAFETY INSTRUCTIONS
IMPORTANT SAFETY INSTRUCTIONS 1) Read Instructions – All the safety and operating instructions should be read before the product is operated. 2) Retain Instructions – The safety and operating instructions should be retained for future reference. 3) Heed Warnings – All warnings on the product and in ...
Page 4 - NTRODUCTION; A F; EW
Powered Subwoofer BU-1 – Owner’s Manual ◆ 1 A BOUT T HIS P RODUCT ... I MPORTANT ! V OLUME C ONTROL ... I MPORTANT ! I NTRODUCTION The Infinity BU-1 Powered Subwoofer has been designed to enhance the bass frequencies of anyaudio system. This subwoofer may be used with speakers of any size. Obviously...
Page 5 - A R
2 ◆ Powered Subwoofer BU-1 – Owner’s Manual P OSITION W ITHIN A R OOM W ILL S TRONGLY I NFLUENCE P ERFORMANCE ... P OSITIONING Since the installation of a subwoofer is somewhat more complicated than installing full-rangespeakers, it is essential you read this section very carefully prior to connecti...
Page 7 - ONTROLS; DENTIFICATION; AC P; OWER
4 ◆ Powered Subwoofer BU-1 – Owner’s Manual C ONTROLS ... B EFORE C ONNECTING Y OUR S UBWOOFER ... Figure 2. I DENTIFICATION O F C ONTROLS A ND C ONNECTING AC P OWER Refer to Figure 2 to identify the controls of your subwoofer’s internal amplifier: ❶ AC Power: on/off switch for AC power to amplifier...
Page 8 - ONNECTING; URN; SUBWOOFER
Powered Subwoofer BU-1 – Owner’s Manual ◆ 5 C ONNECTING Y OUR S UBWOOFER There are several ways to connect your BU-1 subwoofer. Read this section carefully todetermine which method is best suited for your installation. The BU-1 may be fed directly with a low-level signal taken from your preamplifier...
Page 11 - MPORTANT
Figure 7. Method when connecting one subwoofer to satellites. I MPORTANT ! Figure 8. Method when connecting two subwoofers to satellites. C ONNECTING Y OUR S UBWOOFER ( CONT ’ D ) Depending on whether you are using one or two BU-1 subwoofers, connecting your satellitescan be accomplished in one of t...
Page 12 - PERATION
Powered Subwoofer BU-1 – Owner’s Manual ◆ 9 S ET C ONTROLS ... P OWER O N ... A DJUST V OLUME ... F REQUENCY C ONTROL ... R OOM P LACEMENT ... O PERATION 1. Set the subwoofer’s Volume control ❹ (Fig. 2) to 12 o’clock. 2. Set the subwoofer’s Low-Frequency Rolloff control ❺ (Fig. 2) to 12 o’clock. 3. ...
Page 13 - A W
10 ◆ Powered Subwoofer BU-1 – Owner’s Manual A W ORD O F A DVICE The Low-Frequency Rolloff and Volume controls may be set anywhere within their rotation.However, it will be a most unusual circumstance if you have to set the Volume controlcompletely clockwise. This may indicate an unbalanced conditio...
Page 14 - DO NOT ATTEMPT ANY REPAIRS!
Powered Subwoofer BU-1 – Owner’s Manual ◆ 11 I MPORTANT ! I MPORTANT ! I MPORTANT ! C ARE O F Y OUR S UBWOOFER Your Infinity subwoofer cabinet is finished with a heavy-duty, high-quality vinyl which requiresvery little maintenance. Keep the cabinet clean by dusting it occasionally with a damp cloth ...
Page 15 - PECIFICATIONS
12 ◆ Powered Subwoofer BU-1 – Owner’s Manual P ERFORMANCE D ATA D RIVE U NITS F INISH D IMENSIONS S PECIFICATIONS – BU-1 Frequency Response: 45 ~ 150Hz, ±3dB Input Sensitivity: Low Level: 50mVHigh Level: 1V Input Impedance: Low Level: 10k Ω High Level: 200k Ω Output: 50W RMS Driver: 8" woofer Cr...