Marshall Amplification JMP-1 Handbook
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Marshall Amplification JMP-1 Handbook

Valve midi pre-amp
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See also: Handbook
JMP-1
Valve Midi
Pre-amp
Marshall Amplification plc
Denbigh Road, Bletchley, Milton Keynes, MK1 1DQ, England
Tel: (01908) 375411
Fax: (01908) 376118
Web Site - http://www.marshallamps.com
Whilst the information contained herein is correct at the time of publication,
due to our policy of constant improvement and development, Marshall
Amplification plc reserve the right to alter specifications without prior notice.
Nov '98
Handbook
1

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Summary of Contents for Marshall Amplification JMP-1

  • Page 1 JMP-1 Valve Midi Pre-amp Marshall Amplification plc Denbigh Road, Bletchley, Milton Keynes, MK1 1DQ, England Tel: (01908) 375411 Fax: (01908) 376118 Web Site - http://www.marshallamps.com Whilst the information contained herein is correct at the time of publication, due to our policy of constant improvement and development, Marshall Amplification plc reserve the right to alter specifications without prior notice.

  • Page 2: Jmp-1 Front Panel Features

    The whole character of our unique sound emanates from the breathing full bodied pure tone of the valve. Your JMP-1 MIDI pre-amp is a carefully designed coalescence between modern MIDI technology and classic Marshall valve circuitry. It’s many tones are all valve generated and presented in a way that is both comfortable and familiar to guitar players.

  • Page 3: Rear Panel Features

    MIDI patch messages to internal patches and outgoing MIDI patch numbers to external devices. (See MIDI mapping). This key selects the MIDI Channel on which the JMP-1 21. MIDI Channel Key transmits and receives MIDI information. On/Off switch for mains power.

  • Page 4: When You Switch On

    “shape” the sound. The JMP-1’s controls are there to be used to the full and by experimenting with all the extremes you will quickly understand it’s capabilities and build your own library of sounds.

  • Page 5: Sound Selections

    Our expertise in harnessing valve drive has been fully exploited in the JMP-1 to recreate the various classic sounds and to generate new tones that will become the classics of the future. Bearing in mind the variations in guitar types and styles, plus the flexibility of the control parameters, the following guide gives an indication of each channel's basic sound type.

  • Page 6: Factory Sounds

    Factory Sounds Your JMP-1 has 26 sounds ready programmed into patches 00-25. These patches have been programmed by experienced guitarists. They have also been used in full stage and studio performance. These sounds can all be edited in the way described earlier and recalled if necessary using the procedure described in the section-“to re-initialise the JMP-1.”...
  • Page 7 Pre set sounds descriptions TITLE MODE ATTRIBUTES PICKUPS COMMENTS 00 Smoke-em OD 2 Lots of drive & sustain It starts here 01 Chunkus OD 1 Big, Ugly & Fat Gain controls "chunkiness" 02 Sticky OD 1 Edgy grime Big change for different guitars 03 Cleeeeen CL 2 Very...

  • Page 8: Some Notes On Midi

    MIDI Channel. The JMP-1 can be set to operate on any one of the 16 MIDI channels or in Omni mode. In Omni mode the JMP-1 will respond to MIDI messages on all channels and will transmit on channel 1.

  • Page 9: Midi Mapping

    In the same nature as input mapping, the output mapping function can transpose any outgoing Program Change message. If the MIDI OUT of the JMP-1 is driving an external effects processor, the JMP-1’s output mapping can be used to select a particular effects program for each JMP-1 patch, with the advantage that several JMP-1 patches can share the same program on the effects processor.

  • Page 10: Four Way Footswitch

    To Transmit MIDI Dump Data:- Connect a MIDI cable from the MIDI OUT of the JMP-1 to the MIDI IN of the receiving device. Press the PATCH key and the VOLUME key together to begin transmitting. The display will indicate that a MIDI exclusive dump is in progress by counting the data blocks (0 thru' 9) as they are transmitted (Fig 9).

  • Page 11: Midi Implementation Chart

    Fig 10. System Exclusive error If their is an error (Fig 10) in the MIDI data the JMP-1 will abandon the load and return to normal. Try the load again, the error could be due to Patch Patch Data a file corruption or faulty cable.
  • Page 12 JMP-1 Front Panel Features Output Level Patch Volume Gain Bass Middle Treble Presence Effect Patch Data Data Power Input Phones Store Bass Shift Clean 1 Clean 2 Channel VALVE MIDI PRE-AMP JMP-1 Made in England JMP-1 Rear Panel Features MIDI...

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