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JMP-1

Valve Midi

Pre-amp

Handbook

1

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

Summary of Contents for JMP-1

Page 1: ...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 ...

Page 2: ...mit is your own imagination JMP 1 Front Panel Features 1 Input Socket Connect the guitar to this socket 2 Headphone Socket For the connection of stereo headphones Headphones with an impedance of 600 Ohms will give the best performance Connecting headphones does not disable the outputs of the pre amp 3 Output Level Control Controls the volume level from the master left and right outputs Item 25 4 D...

Page 3: ...has a full warm character and pure vintage tone 19 Clean 2 Key Selects Clean 2 This has a bright sparkling tone ideal for clean picking and ringing chords 20 MIDI Mapping Key The mapping function enables the mapping of incoming MIDI patch messages to internal patches and outgoing MIDI patch numbers to external devices See MIDI mapping 21 MIDI Channel Key This key selects the MIDI Channel on which ...

Page 4: ...s last switched off Fig1 Your JMP 1 is now ready for action Creating Your Sounds Your JMP 1 is capable of producing a vast array of different tones stored in the 100 available patches The simplicity of creating and storing these sounds is a major advantage and feature of the pre amp A Patch is a combination of all the programmable elements that you put in therefore if all tone and volume selection...

Page 5: ...ation of each channel s basic sound type Clean 1 This is a warm full bodied clean tone ideal for rich chords which can be softened for jazz tones or by adding gain will suit clean lead lines with a hint of vintage distortion Clean 2 In complete contrast to Clean 1 Clean 2 is bright and glassy with a clear jangling tone In addition it contains the unique lively edge found only in the early JTM 45 a...

Page 6: ...6 04 British Steel OD 2 on 17 16 4 0 4 1 05 Nasal Tone OD 2 on 16 20 0 1 6 6 06 Quo OD 2 on 17 10 2 2 6 3 07 Angus Ho OD 2 on 17 14 0 1 3 2 08 Filth OD 2 on 17 20 2 6 6 6 09 Bloooz O OD 2 on 17 11 2 2 3 2 10 Bloooz O OD 2 on 17 19 2 2 3 2 11 Tej as OD 1 on 16 14 1 1 4 1 12 Modster OD 1 on 14 20 2 1 5 5 13 Biffa OD 1 off 15 20 2 0 3 3 14 More Gary OD 2 on 17 4 3 0 3 3 15 Mid lands OD 1 on 14 17 2 6...

Page 7: ... vintage singles 12 Modster OD 1 Mod ed Plexi More than enough 13 Biffa OD 1 Obnoxious overdrive In your face crunch 14 More Gary OD 2 JTM 45 on 6 Started it all 15 Mid lands OD 1 Honky mid range voice Cuts through 16 Sunshine OD 2 Cleaner than you think Increase Treb for dark guitars 17 Britaevious CL 2 Modern clean Pick s up EFX well Hi output pickups will distort 18 Trash OD 1 Very broad modern...

Page 8: ...P 1 calls up a new patch it also sends a MIDI program change message via the MIDI OUT terminal Pressing a pedal on a MIDI foot controller will send a MIDI program change message Each MIDI program change message carries a number between 00 and 127 corresponding to the patch program to be called up The JMP 1 has 100 internal patches but will respond to all 128 MIDI program change messages by using a...

Page 9: ...e 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 To Edit The Mapping Table 1 Push Map key once to select incoming MIDI Program number See Fig 5 Use the data entry control to select the incoming Program number 00 to 127 The decimal point signifies program numbers 100 and over 2 Push a...

Page 10: ...rnal MIDI device such as a sequencer or data filer 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 When the transmission is c...

Page 11: ...EMARKS Basic Default 1 OMNI Memorized Channel Channel 1 16 1 16 Default MODE 1 Mode Message Altered Note Number True Voice Velocity Note ON Note OFF After Key s Touch Channels Pitch Bender Control Change Program 0 127 0 127 Change True 0 99 0 99 System Exclusive 0 0 See Note System Song Pos Song Sel Common Tune System Clock Real Time Commands Aux Messages Local ON OFF All Notes Off Active Sense Re...

Page 12: ...d England WARNING Fire and Shock Hazard Do not Expose Unit to Rain or Moisture Shock Hazard This Unit Must be Earthed Don Not Open AVIS Risque de choc Electrique Ne Pas Ouvrir WARNING No User Serviceable Parts Inside Refer to Qualified Personnel MIDI FOOTSWITCH EFFECTS MASTER L OUTPUT R OUTPUT LEVEL LEVEL L OUTPUT L RETURN R RETURN LEVEL SEND 4 dB 20 dB OUT THRU IN R OUTPUT SPEAKER EMULATOR 4 dB 2...

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