Marshall Amplification JVM 2

Explains the 2-channel, 6-mode amplifier operation and controls.

Details the 4-way programmable footswitch functions and modes.

Describes the power amp stage and its controls like Presence and Resonance.

Explains the parallel reverb circuit and its natural decay.

Covers the mains input connection and fuse details for safe operation.

Details the main power switch and safety advice during movement.

Information on connecting guitars using appropriate cables.

Step-by-step guide for initial setup and safe powering on.

Explains the use of the standby switch for valve warm-up and silent recording.

Details the three modes (Green, Orange, Red) of the Clean/Crunch channel.

Explains the three modes (Green, Orange, Red) of the Overdrive channel.

How to select channels and modes, and how settings are recalled.

Details the Master Volume, Presence, and Resonance controls.

Explains the function of Presence and Resonance controls for tone shaping.

Describes the programmable FX loop and its MIX control.

Explains the dual function switch for footswitch and MIDI programming.

Covers programming and using the amplifier with MIDI devices.

Details the serial/parallel effects loop, including +4dBu/-10dBV switch.

Describes the power amp insert loop for using external preamps.

Information on the line out with speaker cabinet emulation.

Connection details for the supplied footswitch.

Explains connecting external MIDI equipment.

Details the speaker outputs and impedance matching guidelines.

Instructions for performing a factory reset on the amplifier.

Steps to reset the footswitch to its factory default settings.