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B&K AV1260 - User Manual

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P/N12931 0403
B&K Components, Ltd.
AV1260
Owner’s Manual

Table of Contents

Questions and Answers

  • A
    Aaron LopezJul 30, 2025
    Why is there no sound on some channels of my B&K Amplifier?
    • B
      brian80Jul 30, 2025
      If you're experiencing a lack of sound on certain channels of your B&K Amplifier, even with the 'on' LED lit, several factors could be responsible. Check the following: * Ensure speaker leads are securely connected; tighten, repair, or replace faulty cables. * Verify that the cables connecting the line stage to the amplifier are properly connected; tighten, repair, or replace them as needed. * Confirm the source to line stage cables are securely in place; tighten, repair, or replace if necessary. * Make sure that the line stage or source is correctly selected by checking all switch settings.
  • F
    Frank BensonAug 5, 2025
    What to do if my B&K Amplifier channel sounds distorted and has low output?
    • H
      Haley RyanAug 5, 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 to resolve this issue.
  • S
    susan13Aug 10, 2025
    How to fix loud hum or buzz on B&K Amplifier channels?
    • N
      Natalie HillAug 10, 2025
      A loud hum or buzz on one or more channels of your B&K Amplifier typically indicates a poor ground connection in the interconnect cables. Inspect all connectors and repair them as necessary to eliminate the hum or buzz.
  • C
    Courtney OwensAug 16, 2025
    What to do if my B&K Amplifier has no sound and the 'on' LED is not illuminated?
    • J
      Jessica ReynoldsAug 16, 2025
      If your B&K Amplifier has no sound and the 'on' LED is not illuminated, consider these potential causes: 1. The power cord may not be properly plugged in; reconnect it securely. 2. There may be a power issue at the AC source; check the AC switch or fuse. 3. The AC power inlet fuse may be blown or faulty; check for shorts or overloading.
  • C
    Clifford GriffinAug 22, 2025
    Why does my B&K Amplifier sound lack direction, and the bass is weak?
    • J
      James JohnsonAug 22, 2025
      If the sound from your B&K Amplifier lacks direction and the bass is weak, it's likely that the speakers are connected out of phase. Check all connections to ensure that cables are connected (+) to (+) and (-) to (-).

Summary

SAFETY PRECAUTIONS

PURPOSE AND FUNCTION

FEATURES

Toroidal Transformer

Efficient high current power delivery for improved dynamics.

Computer Grade Capacitors

Large capacity for high transient power and low frequency control.

Limited Protection

Ensures safe operation and thermal overload protection for continuous use.

Gold Plated Connectors

Improves connections for better sound and minimizes signal loss.

1% Metal Film Resistors

Low noise precision resistors for cleaner, repeatable sound quality.

High Current Circuitry

Delivers accurate, dimensional sound reproduction with high sonic fidelity.

REAR PANEL VIEW

AC Fuse Holder

Location and specification for the AC line fuse.

Channel Control Input;Output

Jack for remote muting control of amplifier audio.

DIP Switches

Switches for configuring audio signal, muting, and mode.

Channel Inputs and Outputs

RCA connectors for local audio input and pass-through output.

Channel Level Control

Dual control for setting audio level for each amplifier channel pair.

Master Control Input;Output

Controls for two groups of amplifier channels for synchronized muting.

Bus Inputs and Outputs

Inputs for stereo audio distribution and expansion outputs.

AC Input Receptacle

Connection point for the amplifier's AC power cord.

Speaker Outputs

Phoenix connectors for easy and secure speaker connections.

DIP SWITCH SETTING

AMP ON

Disables remote muting when set to ON; enables when set to OFF.

SENSE OFF

Enables automatic muting on no audio signal; disable for remote muting.

L + R

Combines left/right inputs to mono; set to OFF for stereo operation.

BUS

Selects audio source from BUS inputs; set to OFF for local inputs.

CHANNEL CONTROL & MUTING

MASTER CONTROL & MUTING

LEVEL CONTROL

INPUT CONNECTIONS

OUTPUT CONNECTIONS

LEVEL CONTROL DEFEAT

JUMPER SETTINGS

HIGH CURRENT (MONO) USAGE

SYSTEM INSTALLATION

MAKING THE CONNECTION

TROUBLESHOOTING

CARE AND CLEANING

SPECIFICATIONS

LIMITED WARRANTY

RETURNING EQUIPMENT

B&K AV1260 Specifications

General IconGeneral
Power per channel60 Watts @ 8 Ohms
Total Harmonic Distortion (THD)<0.1% @ 1kHz
Signal to Noise Ratio>90dB
Power Output60W RMS @ 8Ω
Total Harmonic Distortion<0.1% @ 1kHz

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