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AKG BX20 User Manual

AKG BX20
49 pages
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AKG BX20 Specifications

General IconGeneral
BrandAKG
ModelBX20
CategoryMusic Pedal
LanguageEnglish

Summary

Connecting the BX 20 Studio Reverb Unit

Connecting to a Studio Control Desk

How to connect the BX 20 to a studio control desk with pre-amplifiers.

Mixer Lacks Reverb Unit

Connecting the BX 20 when the mixer lacks a reverb unit.

Studio Lacks Control Desk

Connecting the BX 20 when the studio lacks a control desk.

General Remarks on Connection

General advice on connecting and using the BX 20 reverberation unit.

Connection Possibilities Block Diagrams

Diagrams illustrating different ways to connect the BX 20.

Troubleshooting the BX 20

Steps to diagnose and resolve issues with the BX 20 unit.

Description of the BX 20

Technical Data

Frequency Characteristics

Frequency response measurements of the BX 20 unit.

Frequency Response Measurement (Pink Noise)

Frequency response measured with pink noise at the input.

Reverberation Time Frequency Characteristic

Graph showing reverberation time characteristics.

Block Diagram of the BX 20

Wiring Diagrams

Wiring Diagram BX 20 E

Wiring diagram for the BX 20 E model.

Wiring Diagram BX 20 L

Wiring diagram for the BX 20 L model.

Wiring Diagram BX 20 E/A

Wiring diagram for the BX 20 E/A model.

Wiring Diagram BX 20 E1/A

Wiring diagram for the BX 20 E1/A model.

Wiring Diagram BX 20 L/A

Wiring diagram for the BX 20 L/A model.

Power Supply Unit

Replacing and Checking the Power Supply

Steps for removing, replacing, and checking the power supply.

View of the Power Supply

Visual representation of the power supply unit.

Wiring Diagram of the Power Supply

Schematic diagram of the power supply circuit.

Amplifier Section

Replacing and Checking the Amplifier

Procedures for replacing and verifying the amplifier.

Measurement and Checking Specifications

Measurement and testing procedures for the amplifier.

Replacing the Amplifier

Instructions for replacing a defective amplifier.

Adjusting the Frequency Characteristic

How to adjust the frequency response of the BX 20.

Raising the Output Level

Method to increase the output signal level.

Alterations on the Amplifier

Modifications and updates made to the amplifier.

Amplifier Compatibility

Information on amplifier compatibility and troubleshooting.

Amplifier Wiring Diagram with Supplement-Print

Supplementary Amplifier Circuit Diagram

Amplifier Print View and Test Points

View of the Amplifier Print

Amplifier Wiring Diagram

Reverberation Unit Details

Removing and Checking the Reverberation Unit

Procedures for removing and checking the reverberation unit.

Replacing Spring Ends (Defective Coils)

How to replace defective spring ends in the reverberation unit.

Wiring Scheme of the Reverberation Unit

Wiring scheme of the reverberation unit.

Remote Control Unit R 20

Removal of the Control Portion

Steps to remove the control portion of the R 20 unit.

View of the Remote Control Unit

Visual representation of the remote control unit.

Circuit Diagram of Control Unit R 20 E

Circuit diagram for the R 20 E control unit.

Circuit Diagram of Control Unit R 20 L

Circuit diagram for the R 20 L control unit.

Spare Parts List

Reverberation Unit with Door Open

Reverberation Unit Suspension

Connection Panel