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General| Power Output | 100W |
|---|---|
| Number of Channels | 4 |
| Channels | Clean, Crunch, OD1, OD2 |
| Effects | Digital Effects |
| EQ | Bass, Middle, Treble |
| Inputs | 1 x Instrument Input |
| Outputs | 1 x Speaker Out, 1 x Line Out |
| Footswitch I/O | 1 x 1/4" |
| Footswitch | Optional |
| MIDI I/O | In |
| Dimensions | 10.4 inches |
| Type | Hybrid (Tube Preamp, Solid-State Power Amp) |
Overview of the JMD:1 amplifier series, highlighting its flexibility, tonal control, and hybrid technology.
Guidance on safely powering up the amplifier, using the standby switch for valve warm-up and silent recording.
Details iconic Marshall amplifiers (e.g., 1959, JCM800) that influence the JMD:1's sonic character and pre-amp options.
Description of the input jack, channel selection/storage, and pre-amp selection controls on the front panel.
Description of the Master volume/presence controls and the initial overview of the effects section.
Detailed descriptions of the Clean and Crunch pre-amp settings, referencing specific Marshall amp models.
Detailed descriptions of the Overdrive and Lead pre-amp settings, referencing specific Marshall amp models.
Explanation of how to use Gain, Bass, Middle, Treble, and Volume controls for tone shaping.
Operation of Modulation, Delay, Reverb, FX Loop, Footswitch/MIDI, Standby, and Power switches.
Details on mains input, fuse, MIDI IN/THRU, and footcontroller connections on the rear panel.
Explanation of Emulated Line Out, Headphones, Line In, Pre-amp Out, FX Loop, and Speaker Outputs.
Description of the Footcontroller's Switch Store and Preset Store modes for remote operation.
How to store, recall, and manage amplifier presets using MIDI program change commands.
Diagram illustrating the signal path and any accompanying operational notes for the amplifier.
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