InfinityメーカーBU-120の使用説明書/サービス説明書
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Owner’ s Manual Part # 200230 ® BU Series Power ed Subwoofers Models BU -80, BU-120, BU-150.
THIS INFINITY PRODUCT IS DESIGNED FOR 120-VOL T USE ONL Y! FOR DET AILED SAFETY PRECAUTIONS, PLEASE SEE FOLLOWING P AGE 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.
4 ◆ BU Series Power ed Subwoofers – Owner’ s Manual A BOUT T HIS P RODUCT ... I MPOR T ANT ! V OLUME C ONTROL ... I MPOR T ANT ! I NTRODUCTION The Infinity BU Series Powered Subwoofers have been designed to enhance the bass frequencies of any audio system.
BU Series Power ed Subwoofers– Owner’ s Manual ◆ 5 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-cr eate the actual location of bass instruments in an or chestra. Here are some useful hints: 1. Experimentation with the port direction may be useful.
BU Series Power ed Subwoofers – Owner’ s Manual ◆ 7 C ONTROLS ... B EFORE C ONNECTING Y OUR S UBWOOFER ... Figur e 2. I DENTIFICA TION OF C ONTROLS AND C ONNECTING AC P OWER Refer to Figure 2 to.
8 ◆ BU Series Power ed Subwoofers – Owner’ s Manual C ONNECTING Y OUR S UBWOOFER There are several ways to connect your 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 .) When using a single subwoofer , you MUST use a pair of stereo low-level leads fr om your preamplifier’ s outputs.
10 ◆ BU Series Power ed Subwoofers – Owner’ s Manual Figur e 5. Method when using single subwoofer . Figur e 6. Method when using two subwoofers. C ONNECTING Y OUR S UBWOOFER ( CONT .) The 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. Figur e 8. Method when connecting two subwoofers to satellites. I MPOR T ANT ! C ONNECTING Y OUR S UBWOOFER ( CONT .) Depending on whether you are using one or two subwoofers, connecting your satellites can be accomplished in one of two ways.
12 ◆ BU Series Power ed Subwoofers – Owner’ s Manual S ET C ONTROLS ... P OWER O N ... A DJUST V OLUME ... C ROSSOVER F REQUENCY C ONTROL ... R OOM P LACEMENT ... O PERA TION 1. Initially set the subwoofer’ s V olume control ❻ (Fig. 2) to the minimum position.
BU Series Power ed Subwoofers – Owner’ s Manual ◆ 13 A W ORD OF A DVICE The Low-Frequency Roll-of 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.
14 ◆ BU Series Power ed Subwoofers – Owner’ s Manual I MPOR T ANT ! I MPOR T ANT ! C ARE OF Y OUR S UBWOOFER Y our Infinity subwoofer cabinet is finished with a heavy-duty , high-quality vinyl which requires very little maintenance.
BU Series Power ed Subwoofers – Owner’ s Manual ◆ 15 P ERFORMANCE D ATA D RIVE U NITS F INISH D IMENSIONS W EIGHT S PECIFICA TIONS – BU S ERIES BU-80 BU-120 BU-150 Frequency Response (±3dB): .
P/N: 200230 ® Infinity Systems, Inc. 250 Crossways Park Drive W oodbur y , NY 11797 USA (516) 496-3400 • F AX (516) 682-3523.
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