Instruction/ maintenance manual of the product BU-120 Infinity
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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.
An important point after buying a device Infinity BU-120 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Infinity BU-120 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Infinity BU-120 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Infinity BU-120 you will learn all the available features of the product, as well as information on its operation. The information that you get Infinity BU-120 will certainly help you make a decision on the purchase.
If you already are a holder of Infinity BU-120, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Infinity BU-120.
However, one of the most important roles played by the user manual is to help in solving problems with Infinity BU-120. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Infinity BU-120 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
