Do you have a question about the Koch Multitone and is the answer not in the manual?
Read operating instructions, avoid water, ensure earthing, and be aware of hot tubes.
Details the arrangement of controls on the front of the amplifier.
Details the arrangement of connections and controls on the rear of the amplifier.
Explains guitar inputs, EQ controls, and volume for Clean and Drive channels.
Details Gain channel controls, Presence, master volume, Reverb/FX mix, damping, standby, and power switches.
Details AC power input, voltage selection, and fuse replacement for the amplifier.
Explains channel switching, footswitch connection, and parallel/serial effects loops.
Details power output modes, speaker connections, and recording output features.
Visual guide illustrating how to connect speakers, cabinets, and effects units.
Information on compatible power tubes for 50W and 100W versions of the amplifier.
Safety guidelines and steps for replacing preamp and power tubes in the amplifier.
Diagram illustrating the signal path and internal components of the amplifier.
Detailed specifications including input/output impedances, signal levels, tube types, and power ratings.
Read operating instructions, avoid water, ensure earthing, and be aware of hot tubes.
Details the arrangement of controls on the front of the amplifier.
Details the arrangement of connections and controls on the rear of the amplifier.
Explains guitar inputs, EQ controls, and volume for Clean and Drive channels.
Details Gain channel controls, Presence, master volume, Reverb/FX mix, damping, standby, and power switches.
Details AC power input, voltage selection, and fuse replacement for the amplifier.
Explains channel switching, footswitch connection, and parallel/serial effects loops.
Details power output modes, speaker connections, and recording output features.
Visual guide illustrating how to connect speakers, cabinets, and effects units.
Information on compatible power tubes for 50W and 100W versions of the amplifier.
Safety guidelines and steps for replacing preamp and power tubes in the amplifier.
Diagram illustrating the signal path and internal components of the amplifier.
Detailed specifications including input/output impedances, signal levels, tube types, and power ratings.
| output power | 50W, 100W |
|---|---|
| mains | 100-230VAC, 50-60Hz |
| input impedance (normal) | 1M ohms |
|---|---|
| input impedance (bright clean) | 1M ohms / -6dB |
| output impedance | 1K ohms |
| preamp tube | 1x 12AX7LM (low microphonics), 2x 12AX7 (standard microphonics) |
|---|---|
| power amp tube configuration | 1x 12AX7 + 2xEL34 or 4x6V6 |