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General| MIDI Control | Yes |
|---|---|
| Preamp Tubes | 4 x ECC83 |
| Power Tubes | 4 x EL34 |
| Reverb | Digital Reverb |
| Effects Loop | Yes, Series/Parallel |
| Footswitch | Yes, included |
| Modes per Channel | 3 |
| Speaker Outputs | 2 x 16 ohm, 2 x 8 ohm, 1 x 4 ohm |
Details the device's compliance with FCC rules, outlining conditions for operation and interference.
Continues the overview and specifications, detailing specific JVM amplifier models and their features.
Turns the amplifier on and off, indicated by a red light when active.
Warms up the amp before use; turn off during breaks and for silent recording.
Dual function to select footswitch or MIDI program mode, indicated by LED light.
Engages/disengages the series/parallel FX loop for the current channel.
Master 1 is the default master volume control used across all channels and modes.
Master 2 can be assigned to specific channels/modes for alternative volume settings.
Switches between Master 1 and Master 2, with an LED indicating Master 2 engagement.
Adjusts low frequencies of the power amp for a fatter sound. Use with caution.
Adjusts high frequencies of the power amp for added bite.
Connect your guitar here using a standard "," inch instrument cable.
Connects the supplied mains power lead; voltage rating is shown on the rear panel.
Protects the amp and mains supply; correct value is specified on the rear panel.
Return signal from external FX equipment; can override preamp section with external preamp.
Connect external FX equipment using a "," inch jack instrument cable for preamp output.
Adjusts the amount of effect blended with the dry signal; can mute amp if set to wet without external processor.
Configure the loop for professional (+4dBu) or guitar level (-10dBV) effects.
Return signal from external FX equipment using a "," inch jack instrument cable.
Connect external FX equipment using a "," inch jack instrument cable.
Connect the supplied footswitch using a standard "," inch jack instrument lead.
Outputs processed signal for external equipment, pre-master volume, with cabinet emulation.
Engages/disengages the power amp insert/series loop; cannot be programmed.
Connect speaker cabinets; labelled for specific impedance setups (1x16 Ohm, 1x8 Ohm/2x16 Ohm).
Copies the MIDI In signal to the MIDI Thru socket for daisy-chaining equipment.
Connect external MIDI equipment to the MIDI In DIN socket; amp only accepts incoming data.
Store amp settings (channel, FX, reverb, master) to MIDI program numbers via the footswitch/MIDI switch.
Enter footswitch program mode via the front panel switch to program the footswitch functions.
Stores the current amp status and settings to a footswitch for recall.
Assigns specific front panel functions to individual footswitches for instant recall.
Resets all MIDI presets and sets MIDI reception channel to #1. Warning: memory erasure is irreversible.
Resets the footswitch to factory default settings. Warning: memory erasure is irreversible.
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