B&K AV6125 User Manual

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AV6125

Six Channel Amplifier

OWNER’S MANUAL

B&K Components, Ltd.

13002 rev 0004

Table of Contents

Questions and Answers:

D
Dawn GuerreroJul 30, 2025
What to do if my B&K AV6125 has no sound on some channels?
- J
  jeffrey90Jul 30, 2025
  If your B&K Amplifier has no sound on some or all selected channels, but the 'on' LED is illuminated, there are several possible causes. First, check if the speaker leads are loose or faulty; if so, tighten, repair, or replace the cable. Then, check the line stage to amp cables; if they are loose or faulty, tighten, repair, or replace the cable. Next, inspect the source to line stage cables; if these are loose or faulty, tighten, repair, or replace the cable. Finally, ensure that the line stage or source is correctly selected by checking all switch settings.
B
brittanypittsAug 4, 2025
How to fix a B&K AV6125 Amplifier with no sound and no LED light?
- R
  reginaaustinAug 4, 2025
  If your B&K Amplifier has no sound and the ‘on’ LED is not illuminated, it could be due to several reasons. First, the power cord might not be plugged in, so reconnect it. Second, there might be no power at the AC source, so check the AC switch or fuse. Third, the AC power inlet fuse might be blown or faulty, so check for shorts or overloading. Finally, the control switch may be in the wrong position.
A
Anne WallaceAug 10, 2025
Why is my B&K Amplifier humming loudly?
- H
  Holly SmithAug 10, 2025
  If you're experiencing a loud hum or buzz on one or more channels of your B&K Amplifier, it might be due to a poor ground connection in the interconnect cables. Check all connectors and repair them as necessary.
T
tmendozaAug 17, 2025
Why does my B&K AV6125 Amplifier sound lack direction?
- N
  Nicholas RobertsonAug 17, 2025
  If the sound from your B&K Amplifier lacks direction and the bass is weak, the speakers might be connected out of phase. Check the connections, making sure that cables are connected (+) to (+) and (-) to (-).
K
Kristina MartinAug 22, 2025
What to do if one channel on my B&K AV6125 sounds distorted?
- T
  thompsonanthonyAug 22, 2025
  If a channel on your B&K Amplifier sounds distorted and has low output, it could be due to a blown rail fuse. Replace the blown rail fuse inside the amplifier.

B&K AV6125 Specifications

General

Channels	5
Power per channel	125W
THD	<0.1%
Total Harmonic Distortion	<0.1%
Input Sensitivity	1V
S/N Ratio	95dB, A-weighted
Signal-to-Noise Ratio	95dB, A-weighted

Summary

Safety Precautions

Rear Panel Description

AC Fuse Holder

Holds the AC Line fuse. Replace with same type and value fuse only.

AC Input Receptacle

For attaching the supplied AC power cord to the amplifier.

Speaker Outputs

For connecting the speakers to the amplifier. Explained further on page 6.

Amplifier Control Muting Input/Output

To provide remote switching of mute on/off of the amplifier. Explained further on page 8.

AV6125 Purpose and Function

Design and Construction

Explains the high quality electronic circuitry and parts used.

Features

Lists key features like Toroidal Transformers, Discrete Circuitry, etc.

Level Controls

Inputs

Outputs

System Installation

Making the Connection

Control Muting

Troubleshooting

Care and Cleaning

AV6125 Specifications

Limited Warranty

Returning Equipment

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