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Koch Multitone - User Manual

Koch Multitone
20 pages
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Multitone
OPERATING INSTRUCTIONS GB
BEDIENUNGSANLEITUNG DE
GEBRUIKSAANWIJZING NL
1996 Koch Guitar Electronics

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Summary

Introduction and Safety Information

General Safety Precautions

Read operating instructions, avoid water, ensure earthing, and be aware of hot tubes.

Panel Layouts

Front Panel Overview

Details the arrangement of controls on the front of the amplifier.

Rear Panel Overview

Details the arrangement of connections and controls on the rear of the amplifier.

Front Panel Functions

Input and Tone Controls

Explains guitar inputs, EQ controls, and volume for Clean and Drive channels.

Gain, Master, and Effect Controls

Details Gain channel controls, Presence, master volume, Reverb/FX mix, damping, standby, and power switches.

Rear Panel Functions and Connections

Power Supply and Fuse

Details AC power input, voltage selection, and fuse replacement for the amplifier.

Channel and Effects Loop Management

Explains channel switching, footswitch connection, and parallel/serial effects loops.

Output Modes and Recording

Details power output modes, speaker connections, and recording output features.

Connection Diagram

Visual guide illustrating how to connect speakers, cabinets, and effects units.

Tube Information and Maintenance

Power Tube Options and Compatibility

Information on compatible power tubes for 50W and 100W versions of the amplifier.

Tube Replacement Procedure and Safety

Safety guidelines and steps for replacing preamp and power tubes in the amplifier.

Sample Settings

Technical Specifications and Diagrams

Block Diagram

Diagram illustrating the signal path and internal components of the amplifier.

Technical Data Summary

Detailed specifications including input/output impedances, signal levels, tube types, and power ratings.

Summary

Introduction and Safety Information

General Safety Precautions

Read operating instructions, avoid water, ensure earthing, and be aware of hot tubes.

Panel Layouts

Front Panel Overview

Details the arrangement of controls on the front of the amplifier.

Rear Panel Overview

Details the arrangement of connections and controls on the rear of the amplifier.

Front Panel Functions

Input and Tone Controls

Explains guitar inputs, EQ controls, and volume for Clean and Drive channels.

Gain, Master, and Effect Controls

Details Gain channel controls, Presence, master volume, Reverb/FX mix, damping, standby, and power switches.

Rear Panel Functions and Connections

Power Supply and Fuse

Details AC power input, voltage selection, and fuse replacement for the amplifier.

Channel and Effects Loop Management

Explains channel switching, footswitch connection, and parallel/serial effects loops.

Output Modes and Recording

Details power output modes, speaker connections, and recording output features.

Connection Diagram

Visual guide illustrating how to connect speakers, cabinets, and effects units.

Tube Information and Maintenance

Power Tube Options and Compatibility

Information on compatible power tubes for 50W and 100W versions of the amplifier.

Tube Replacement Procedure and Safety

Safety guidelines and steps for replacing preamp and power tubes in the amplifier.

Sample Settings

Technical Specifications and Diagrams

Block Diagram

Diagram illustrating the signal path and internal components of the amplifier.

Technical Data Summary

Detailed specifications including input/output impedances, signal levels, tube types, and power ratings.

Koch Multitone Specifications

Power IconPower
output power50W, 100W
mains100-230VAC, 50-60Hz
Impedance IconImpedance
input impedance (normal)1M ohms
input impedance (bright clean)1M ohms / -6dB
output impedance1K ohms
Tubes IconTubes
preamp tube1x 12AX7LM (low microphonics), 2x 12AX7 (standard microphonics)
power amp tube configuration1x 12AX7 + 2xEL34 or 4x6V6

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