InfinityメーカーBU-1の使用説明書/サービス説明書
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Owner’ s Manual Part # 930-7304 ® Power ed Subwoofer Model BU-1 BU 1.
THIS INFINITY PRODUCT IS DESIGNED FOR 120-VOL T USE ONL Y! FOR DET AILED SAFETY PRECAUTIONS, PLEASE SEE P AGE 13 IN THIS OWNER'S MANUAL FOR “IMPOR T ANT SAFETY INSTRUCTIONS .
IMPOR T ANT 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.
Power ed Subwoofer BU-1 – Owner’ s Manual ◆ 1 A BOUT T HIS P RODUCT ... I MPOR T ANT ! V OLUME C ONTROL ... I MPOR T ANT ! I NTRODUCTION The Infinity BU-1 Powered Subwoofer has been designed to enhance the bass frequencies of any audio system. This subwoofer may be used with speakers of any size.
2 ◆ Power ed Subwoofer BU-1 – Owner’ s Manual P OSITION W ITHIN A R OOM W ILL S TRONGL Y I NFLUENCE P ERFORMANCE ... P OSITIONING Since the installation of a subwoofer is somewhat more complicated than installing full-range speakers, it is essential you read this section very carefully prior to connecting the subwoofer to your system.
Figur e 1. This view shows the subwoofer positioned behind the right-channel satellite speaker to r e-create the actual location of bass instruments in an or chestra. Here are some useful hints: 1. Experimentation with the port direction may be useful.
4 ◆ Power ed Subwoofer BU-1 – Owner’ s Manual C ONTROLS ... B EFORE C ONNECTING Y OUR S UBWOOFER ... Figur e 2. I DENTIFICA TION O F C ONTROLS A ND C ONNECTING AC P OWER Refer to Figure 2 to ide.
Power ed 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 to determine which method is best suited for your installation.
Figur e 3b. Y ou can use this method (2 “Y”connectors) if your pr eamp has only one set of outputs. Figur e 4. Method when using single subwoofer or two subwoofers. C ONNECTING Y OUR S UBWOOFER ( CONT ’ D ) When using a single subwoofer , you MUST use a pair of stereo low-level leads from your preamplifier’ s outputs.
Power ed Subwoofer BU-1 – Owner’ s Manual ◆ 7 Figur e 5. Method when using single subwoofer . Figur e 6. Method when using two subwoofers. C ONNECTING Y OUR S UBWOOFER ( CONT ’ D ) The BU-1 subwoofer may be connected to your system using the HIGH-LEVEL INPUTS (4) on the plate located on the rear panel of the subwoofer .
Figur e 7. Method when connecting one subwoofer to satellites. I MPOR T ANT ! Figur e 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 satellites can be accomplished in one of two ways.
Power ed 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 PERA TION 1. Set the subwoofer’ s V olume control ❹ (Fig. 2) to 12 o’clock. 2. Set the subwoofer’ s Low-Frequency Rolloff contr ol ❺ (Fig.
10 ◆ Power ed Subwoofer BU-1 – Owner’ s Manual A W ORD O F A DVICE The Low-Frequency Rollof f and V olume controls may be set anywher e within their rotation. However , it will be a most unusual circumstance if you have to set the V olume control completely clockwise.
Power ed Subwoofer BU-1 – Owner’ s Manual ◆ 11 I MPOR T ANT ! I MPOR T ANT ! I MPOR T ANT ! C ARE O F Y OUR S UBWOOFER Y our Infinity subwoofer cabinet is finished with a heavy-duty , high-quality vinyl which requires very little maintenance.
12 ◆ Power ed Subwoofer BU-1 – Owner’ s Manual P ERFORMANCE D ATA D RIVE U NITS F INISH D IMENSIONS S PECIFICA TIONS – BU-1 Frequency Response: 45 ~ 150Hz, ±3dB Input Sensitivity: Low Level: .
Infinity continually strives to update and improve existing products, as well as create new ones. The specifications and construction details in this and related Infinity publications are therefore subject to change without notice. ©1999 Infinity Systems, Inc.
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