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B&K AV5125 manual

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Table of contents for the manual

  • Page 1

    13001 rev 0004 AV5125 Five Channel Amplifier OWNER’S MANUAL B & K Components Ltd.[...]

  • Page 2

    13001 rev 0004 B&K Components, Ltd. 2100 Old Union Road Buffalo, New York 14227[...]

  • Page 3

    Page 1 13001 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 - 6 Level controls page 5 Inputs page 5 - 6 Outputs page 6 Control Muting page 8 - 9 System installation page 7 Making the connection page 7 - 8 Troubleshoo[...]

  • Page 4

    Page 2 13001 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 lightning flash with arrowhead, within an equilateral triangle, is intended to alert the user of the presence of uninsulated “dangerous voltage ” within the product’s enclosure that [...]

  • Page 5

    Page 3 13001 rev 0004 The AV5125's purpose and function The AV5125 is a compact, very efficient, five channel power amplifier. It is designed to be used in all types of audio or audio/video systems. Design and construction The AV5125 utilizes high quality electronic circuitry to achieve an environment wherein a detailed, transparent, and highl[...]

  • Page 6

    Page 4 13001 rev 0004 Rear Panel View 1. AC fuse holder 4. Amplifier control muting input/output 2. AC Input receptacle 5. Level controls 3. Speaker outputs 6. Inputs Rear panel description 1. AC fuse holder - Holds the AC Line fuse. This fuse is an 12 Amp / 250 Volt Slow Blow fuse. Replace with same type and value fuse only. 2. AC Input receptacle[...]

  • Page 7

    Page 5 13001 rev 0004 )LJXUH% 5. Level controls - For adjusting the input level of each channel into the amplifier. There are five level controls on the back of the amplifier. One level control for each channel. Explained further below. 6. Inputs - For connecting signal patch cables (interconnects) from the preamplifier to the amplifier to pass [...]

  • Page 8

    Page 6 13001 rev 0004 )LJXUH' Here is a typical preamplifier to amplifier setup: Outputs Five way binding posts are provided. One pair for each channel. They are designed to accept a banana-type plug or spade lug connector (shown below) and are color coded for easy identification. The red (+) post should always be connected to the speakers [...]

  • Page 9

    Page 7 13001 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[...]

  • Page 10

    Page 8 13001 rev 0004  Connect the audio cables from your preamplifier’s output to the corresponding input connector on the amplifier.  Connect the wires from your speakers to the appropriate outputs on the amplifier. It is absolutely essential that you observe correct polarity in these connections. Example: If you connect your left front o[...]

  • Page 11

    Page 9 13001 rev 0004 If a source other than a B&K series preamplifier is used to control multiple amplifiers, only the control output voltage from the source is critical. It must be within the range, as indicated on the rear panel, 5-24 volts DC is required. The amplifier will provide each successive amplifier with a control voltage of 12 volt[...]

  • Page 12

    Page 10 13001 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 [...]

  • Page 13

    Page 11 13001 rev 0004 AV5125 SPECIFICATIONS Power rating: 8 ohms 125 watts @ 1 kHz 4 ohms 185 watts @ 1 kHz Frequency response 5 Hz - 45 kHz Input sensitivity 1.0 Volts THD (S+N) 0.09 % @ 1 kHz Input impedance 33.2 k ohms Damping factor 150 Current (peak to peak) 30 Amps Slew rate 14 V / ) sec Dynamic headroom 1.4 dB S/N (A-weighted) 95 dB Voltage[...]

  • Page 14

    Page 12 13001 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[...]

  • Page 15

    13001 rev 0004 B&K Components, Ltd. 2100 Old Union Road Buffalo, New York 14227[...]

  • Page 16

    13001 rev 0004[...]