Manual B&K 220M

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  • B&K 220M - page 1

    Reference 220M Sin g le Channel Amplifier OWNER’S MANUAL B & K Components Ltd. 13005 rev 0004 ...

  • B&K 220M - page 2

    13005 rev 0004 B&K Components, Ltd., 2100 Old Union Road, Buffalo, New York 14227 ...

  • B&K 220M - page 3

    Page 1 13005 rev 0004 Table of contents Safety Precautions Page 2 Purpose and function Page 3 Design and construction Page 3 Features Page 3 Rear panel view Page 4 Rear panel description Page 4 - 5 Control muting Page 5 - 6 Level controls Page 6 Outputs Page 7 Inputs Page 8 System installation Page 9 Making the connection Page 9 - 10 Troubleshootin ...

  • B&K 220M - page 4

    Page 2 13005 rev 0004 SAFETY PRECAUTIONS PLEASE READ BEFORE INSTALLING WARNING: TO PREVENT FIRE OR SHOCK HAZARD, DO NOT EXPOSE THIS UNIT TO RAIN OR MOISTURE. The li g htnin g flash with arrowhead, within an equilateral trian g le, is intended to alert the user of the presence of uninsulated “dan g erous volta g e” within the product’s enclosu ...

  • B&K 220M - page 5

    Page 3 13005 rev 0004 The Reference 220M's purpose and function The Reference 220M is a compact, very efficient, single channel power amplifier. It is designed to be used in all types of audio or audio/video systems. Design and construction The Reference 220M utilizes high quality electronic circuitry to achieve an environment wherein a detail ...

  • B&K 220M - page 6

    Page 4 13005 rev 0004 Rear Panel View 1. AC fuse holder 5. RCA input (unbalanced) 2. AC Input receptacle 6. Level controls** 3. Speaker outputs 7. Amplifier control muting input/output 4. Balanced Inputs ** OPTIONS AVAILABLE FOR THE Reference 220M AMPLIFIER Rear panel description 1. AC fuse holder - Holds the AC Line fuse. This fuse is an 12 Amp / ...

  • B&K 220M - page 7

    Page 5 13005 rev 0004 5. RCA inputs- For connecting signal patch cables (interconnects) from the preamplifier to the amplifier to pass signal. 6. Level controls - Option available for the Reference 220M amplifier. For adjusting the input level to the amplifier. Explained further on page 6. 7. Amplifier control muting input/output - To provide remot ...

  • B&K 220M - page 8

    Page 6 13005 rev 0004 )LJXUH& If the control function is desired, each unit in the system must remain connected at all times and the control must be enabled. To enable the control function, the CTRL ENABLE button must be out for each controllable amplifier in the system. For more information on the amplifiers output status under various cont ...

  • B&K 220M - page 9

    Page 7 13005 rev 0004 )LJXUH' Outputs Five wa y bindin g posts are provided. One pair for each channel. The y are desi g ned to accept a banana-t y pe plu g or spade lu g connector (shown below) and are color coded for eas y identification. The red (+) post should alwa y s be connected to the speakers (+) jack. The black (-) post should alw ...

  • B&K 220M - page 10

    Page 8 13005 rev 0004 Inputs Unbalanced - RCA type connectors accept line input from the preamplifier’s unbalanced output connectors. There are two input connectors, that may be used to connect the amplifier to the preamplifier. The Channel 3 input is used for normal operation. RCA cable connector - Operation - For unbalanced operation, ensure th ...

  • B&K 220M - page 11

    Page 9 13005 rev 0004 System installation There will most likely be a number of cables involved in the installation of your home entertainment system. Pre-planning is essential in order to maximize system efficiency. We recommend the following as a means of helping you reach that goal:  Make a diagram of your proposed system by laying out the re ...

  • B&K 220M - page 12

    Page 10 13005 rev 0004  Connect the wires from your speakers to the appropriate output on the amplifier. It is absolutely essential that you observe correct polarity in these connections. Example: If you connect your ri g ht front output of your preamplifier to channel 1 input on the amplifier, remember to connect your ri g ht front speaker wire ...

  • B&K 220M - page 13

    Page 11 13005 rev 0004 Troubleshooting PROBLEM POSSIBLE CAUSE POSSIBLE SOLUTION No sound (‘on’ LED not illuminated) 1. Power cord not plu gg ed in. 2. Power off at AC source. 3. AC power inlet fuse blown or faulty. 4. Control switch in the wron g position. 1. Reconnect power cord. 2. Check AC switch or fuse. 3. Check for shorts or overloadin g ...

  • B&K 220M - page 14

    Page 12 13005 rev 0004 Reference 220M SPECIFICATIONS Power rating: 8 ohms 250 watts @ 1 kHz 4 ohms 400 watts @ 1 kHz Frequency response 5 Hz - 45 kHz Input sensitivity 1.4 Volts THD (S+N) 0.09 % @ 1 kHz Input impedance 33.2 k ohms Damping factor 750 Current (peak to peak) 150 Amps Slew rate 14 V / ) sec Dynamic headroom 1.4 dB S/N (A-weighted) 95 d ...

  • B&K 220M - page 15

    Page 13 13005 rev 0004 Limited Warrant y B&K Components Ltd., referred to herein as B&K, warrants your B&K equipment a g ainst all defects in material and workmanship for a period of five years from the date of purchase. This warranty applies only to the ori g inal purchaser and only to equipment in normal residential use and service. D ...

  • B&K 220M - page 16

    13005 rev 0004 B&K Components, Ltd. 2100 Old Union Road Buffalo, New York 14227 716-656-0023 www.bkcomp.com ...

Manufacturer B&K Category Stereo Amplifier

Documents that we receive from a manufacturer of a B&K 220M can be divided into several groups. They are, among others:
- B&K technical drawings
- 220M manuals
- B&K product data sheets
- information booklets
- or energy labels B&K 220M
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 B&K 220M.

A group of documents referred to as user manuals is also divided into more specific types, such as: Installation manuals B&K 220M, service manual, brief instructions and user manuals B&K 220M. 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 B&K 220M.

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A complete manual for the device B&K 220M, 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 B&K 220M by users. Manuals are usually written by a technical writer, but in a language understandable to all users of B&K 220M.

A complete B&K 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 B&K 220M - 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 B&K 220M, 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 B&K 220M, that we can find in the current document
3. Tips how to use the basic functions of the device B&K 220M - which should help us in our first steps of using B&K 220M
4. Troubleshooting - systematic sequence of activities that will help us diagnose and subsequently solve the most important problems with B&K 220M
5. FAQ - Frequently Asked Questions
6. Contact detailsInformation about where to look for contact to the manufacturer/service of B&K 220M in a specific country, if it was not possible to solve the problem on our own.

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