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General| Type | Tube preamp |
|---|---|
| Channels | 2 |
| MIDI | Yes |
| Effects Loop | Yes |
| Power Supply | Internal |
| Inputs | 1 |
| Footswitchable | Yes |
| Dimensions | 19" x 1.75" x 9.8" (482 x 44 x 250 mm) |
Connects the guitar to the pre-amp and allows for stereo headphone connection.
Covers Output Level, Volume, and Gain controls for sound adjustment.
Features Patch Key, Store Key, and Data Entry Control for managing presets.
Keys to shape Bass, Middle, Treble, Presence tone parameters (-6 to +6).
Covers OD1, OD2, Clean 1, Clean 2 keys for sound selection.
Bass Shift control and Effect key for mix adjustment.
MIDI-Mapping Key and MIDI Channel Key for MIDI communication setup.
On/Off switch for mains power.
Left/right outputs with speaker emulation and level selection switch.
Left/right outputs for connection to a power amplifier.
Effects Return/Send Jacks and Footswitch Socket for external gear.
MIDI IN, MIDI THRU, and MIDI OUT terminals for MIDI data transfer.
Describes the unit's initialisation process upon power-up.
Guide to building and storing custom tones using the pre-amp's features.
Procedure for saving created sounds to memory.
Feature to protect saved patches from accidental overwrites.
Descriptions of Clean 1, Clean 2, OD1, OD2, and Bass Shift sound types.
Overview of MIDI connections and message types.
How to set the MIDI Channel (1-16) or Omni mode for communication.
Transposes incoming MIDI Program Change numbers to JMP-1 patches.
Transposes outgoing Program Change messages to external devices.
Optional footswitch for simple selection of four patches.
Procedure to reload factory sounds and reset the mapping table.
Internal battery maintains patches; check for errors.
Dumping and receiving patch and mapping settings via MIDI.
