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Manual Infinity BU-80

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  • Infinity BU-80 - page 1

    Owner’ s Manual Part # 200230 ® BU Series Power ed Subwoofers Models BU -80, BU-120, BU-150 ...

  • Infinity BU-80 - page 2

    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 . ” The lightning flash with arrowhead symbol, within an equilateral triangle, is intended to alert the user to the presence of uninsulated “dangerous voltage? ...

  • Infinity BU-80 - page 3

    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. 3) Heed Warnings – All warnings on the product and in the operating instructions should be adher ...

  • Infinity BU-80 - page 4

    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. This subwoofer may be used with speakers of any size. Obviously , the greatest bass enh ...

  • Infinity BU-80 - page 5

    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. Sh ...

  • Infinity BU-80 - page 6

    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. At times directing the port away from the listening ar ea (to the side) may be advantageous beca ...

  • Infinity BU-80 - page 7

    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 identify the contr ols of your subwoofer’ s internal amplifier: ❶ High-Level Input and Output terminals ❷ Low-Level Input jacks: connect to pre ...

  • Infinity BU-80 - page 8

    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. The subwoofer may be fed directly with a low-level signal taken fr om your preamplifier’ s output by using the second ...

  • Infinity BU-80 - page 9

    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. When using two subwoofers, ...

  • Infinity BU-80 - page 10

    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 . Use speaker wire, maint ...

  • Infinity BU-80 - page 11

    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. If you are using a single subwoofer with a p ...

  • Infinity BU-80 - page 12

    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. 2. Initially set the subwoofer’ s Crossover Frequency contr ol ❸ (Fig. 2) t ...

  • Infinity BU-80 - page 13

    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. This may indicate an unbalanced condition in your system (too much ba ...

  • Infinity BU-80 - page 14

    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. Keep the cabinet clean by dusting it occasionally with a damp cloth or use a good quality furniture polish to m ...

  • Infinity BU-80 - page 15

    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): 45Hz ~ 150Hz 30Hz ~ 150Hz 28Hz ~ 150Hz Output (RMS): 75W 150W 200W Driver: 8" 12" 15" Crossover 50Hz ~ 150Hz 50Hz ~ 150Hz 50Hz ~ 150Hz ...

  • Infinity BU-80 - page 16

    P/N: 200230 ® Infinity Systems, Inc. 250 Crossways Park Drive W oodbur y , NY 11797 USA (516) 496-3400 • F AX (516) 682-3523 ...

Manufacturer Infinity Category Speaker

Documents that we receive from a manufacturer of a Infinity BU-80 can be divided into several groups. They are, among others:
- Infinity technical drawings
- BU-80 manuals
- Infinity product data sheets
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All of them are important, but the most important information from the point of view of use of the device are in the user manual Infinity BU-80.

A group of documents referred to as user manuals is also divided into more specific types, such as: Installation manuals Infinity BU-80, service manual, brief instructions and user manuals Infinity BU-80. Depending on your needs, you should look for the document you need. In our website you can view the most popular manual of the product Infinity BU-80.

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A complete manual for the device Infinity BU-80, how should it look like?
A manual, also referred to as a user manual, or simply "instructions" is a technical document designed to assist in the use Infinity BU-80 by users. Manuals are usually written by a technical writer, but in a language understandable to all users of Infinity BU-80.

A complete Infinity manual, should contain several basic components. Some of them are less important, such as: cover / title page or copyright page. However, the remaining part should provide us with information that is important from the point of view of the user.

1. Preface and tips on how to use the manual Infinity BU-80 - At the beginning of each manual we should find clues about how to use the guidelines. It should include information about the location of the Contents of the Infinity BU-80, FAQ or common problems, i.e. places that are most often searched by users in each manual
2. Contents - index of all tips concerning the Infinity BU-80, that we can find in the current document
3. Tips how to use the basic functions of the device Infinity BU-80 - which should help us in our first steps of using Infinity BU-80
4. Troubleshooting - systematic sequence of activities that will help us diagnose and subsequently solve the most important problems with Infinity BU-80
5. FAQ - Frequently Asked Questions
6. Contact detailsInformation about where to look for contact to the manufacturer/service of Infinity BU-80 in a specific country, if it was not possible to solve the problem on our own.

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