Marshalls plc MIDI JMP-1 User's Manual
Contents
1. See Note System Clock Real Time Commands Aux Messages Local ON OFF 1 16 x x x x x x x x x 0 127 0 99 x x x x x x x x XXXX XX XX x xX xx xx Ixx xxxz x m m All N otes O ff Active Sense Reset System Exclusive Patch dump and load when M emory lock is off Model OMNION POLY Mode2 0MNION MONO 0 YES Mode 3 OMNION POLY Mode4 0MNION MONO x NO HSITONA Effects Processor Mixing desk J EN cR 4x12 Cabinet Power Amp mad dx 13 Cabinel JMP 1 Front Panel Features 0 3 Q 9 o oa a 09 2 Output Level Volume Gain Bass Middle Treble Presence Effect Patch Data Input Phones o9 c cus ia e 9 9 9 9 9 9 e e D1 D2 B hi l 1 l 2 M h l Marshal MIDI PRE AMP gt fe ass Shift Clean pon ap Channel Q e e JMP 1 9 9 O 9 Oo Made in England C dS 9 O 9 C9 Go JMP 1 Rear Panel Features FOOTSWITCH EFFECTS MASTER SPEAKER EMULATOR Marshall Amplification plc England WARNING Fire and Shock Hazard Do not o 3 IL 4 dB IL 4dB SL 4dB Expose Unit to Rain or Moisture e 1 20 dB a a m 20 dB 1 20 dB Shock Hazard This Unit Must be Earthed a 4 i Do Not Open T UV UD wl J AVIS Risque de choc Electrique Ne Pas Ouvrir C MAINS INPUT WARNING No User Serviceable Parts Inside 230V 50Hz 20 Watts Beret to Cuathedinetsonne SEND2. JMP 1 HANDBOOK ENGLISH From The Chairman I would like to thank you personally for selecting the JMP 1 MIDI Pre amp As our first venture into MIDI controlled guitar equipment many hours of development have been spent ensuring that it fulfils the functions that you really need to cope with todays widely varied playing environments We have always worked very closely with guitarists from many different fields and their valuable input has been an essential ingredient in the creation of the JMP 1 My design team is made up of guitar players who fully understand the needs and realities of guitar performance They have hada free hand in making this pre amp sound quite simply the best My confidence in their ability is absolute and it gives me great pride to see and hear the traditions of Marshall improved through progress whilst retaining the classic tonal authority that is the Marshall hallmark Please read this handbook carefully before operating your JMP 1 so that you can fully enjoy the advantages of our research and technology N WARNING Important safety instructions WARNING This apparatus must be earthed PLEASE read this instruction manual carefully before switching on ALWAYS use the supplied mains lead if a replacement is required please contact your authorised Marshall Dealer NEVER attemptto by pass the fuses or fit ones of the incorrect value DO NOT attemptto open the apparatus there are no user servic
3. Re initialise The JMP 1 This procedure will redoad the factory sounds and reset the mapping table WARNING Your edited sounds will be lost if the unit is re initialised Procedure Hold down OD1 and Clean 1 whilst switching on the power Memory back up Fig 8 Error D d The JM P 1 has an internal battery back up system to keep your patches urn safe while the unit is switched off This battery should last for several years Patch Patch Data Every time you power up the JM P 1 a self check program is run If any IL bed errors are detected an E will be displayed momentarily Fig 8 L If this should occur repeatedly then it is likely thatthe internal back up battery needs replacing Contact your Marshall dealer as soon as possible and back up your patches see System Exclusive System Exclusive By using system exclusive MIDI code itis possible to dump all your patch and mapping settings to an external M IDI device such as a sequencer or data filer To Transmit MIDI Dump Data Connecta MIDI cable from the MIDI O UT of the JM P 1 to the MIDI IN of the receiving device Press the PATCH key and the VO LUM E 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 W hen the transmission is completed the display will return to normal To Receive a System Exclusive Dump 11
4. Store W hen you are satisfied with the sound that you have created storage is achieved in the following way Push the store key 6 once the LED pm L m will flash Fig 2 Select the desired patch location using the data entry ZZ 9 control 7 Pressing the patch or any parameter key willabandonthe J E Pre X store Push store a second time to complete the store IL IL am 0 us i Memory Lock A memory lock can be setto keep your data safe This will disable any functions that write data to the internal memory i e Store Mapping Channel amp System Exclusive If the memory is locked an Path Fig 3 Memory lock Activated will appear in the right of the display when you attempt a store Fig 3 Pate ae At this stage the lock can be toggled on or off by pressing the Channel JJ J T key IL L m Sound Selections There is a definite identifiable character to the Marshall Sound throughout the years largely derived from the unique qualities of valve power O ur expertise in harnessing valve drive has been fully exploited in the JM P 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 Clean 1 This is a warm fu
5. for your safety W hen the provided plug does not fit into your outlet consult an electrician for replacement of the obsolete outlet Follow all instructions and heed all warnings KEEP THESE INSTRUCTIONS Contents Description Page number Introduction 3 JMP 1 Front Panel Features 3 Rear Panel Features 4 5 When You Switch On 5 Creating Your Sounds 5 Storing Your Sounds 6 Sound Selections 6 Factory Sounds 7 8 Some Notes on MIDI 9 MIDI Channel 9 MIDI Mapping 10 Four Way Footswitch 11 To Re initialise The JMP 1 11 System Exclusive 11 12 MIDI Implementation Chart 12 Connection Diagram A Front and Rear Panel Layout B Personal Sound Setting Table C ENGLISH Introduction The relationship between the guitarist and amplifier has been our prime concern since the earliest Marshall s were produced We always aim to give that extra edge which can help to inspire the player fuelling creativity and the ability to express Advances in technology have allowed us to modify and enhance this basic principle for the benefit of the musician However we have never lost sight of that extra emotional drive that only valves are capable of producing The whole character of our unique sound emanates from the breathing full bodied pure tone of the valve Your JM P 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 i
6. or aggressive depending on the E Q and gain settings This is a subtle low frequency character control which can be switched in or out of any sound selection Selects Clean 1 which has a full warm character and pure vintage tone Selects Clean 2 This has a bright sparkling tone ideal for clean picking and ringing chords 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 This key selects the MIDI Channel on which the JM P 1 transmits and receives MIDI information O n O ff switch for mains power Please ensure the apparatus is switched off and unplugged from the mains electricity supply before being moved Left and right outputs featuring M arshall speaker emulation The volume level from these outputs is controlled by the volume level parameter key 8 notby the output level control 3 Operational Note Stereo Speaker Emulation The Marshall speaker emulation circuit is a special filter which gives a signal virtually identical in sound to a speaker cabinet This allows you to link directly to the PA and obtain a stunning direct sound in a live situation In the studio it will give a true guitar tone directto tape 24 Emulated Level Selection Switch Selection switch providing 4dB or 10dB output 25 Master Outputs 26 Master Level Selection Switch levels on the speaker emulated outputs Left and righ
7. the MIDI OUT of the JM P 1 is driving an external effects processor the JM P 1 s output mapping can be used to selecta particular effects program for each JM P 1 patch with the advantage that several JM P 1 patches can share the same program on the effects processor To Edit The M apping Table 1 Push M ap 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 again to select the Internal Patch to be called up 00 to 99 See Fig 6 3 Push the M ap key a third time to set the outgoing MIDI Program Change message to 00 to 127 See Fig 7 4 Pushing the Map key a fourth time will store edits and return the JM P 1 to Patch mode Note The mapping table is remembered whilst the JM P 1 is not powered Fig 5 Input Mapping Fig 6 Internal Patch Number Fig 7 Outgoing MIDI program Patch Data pod Patch Data pons Patch Data po J Store 2 J Store e L J Store o LAL LL LL Q Lil LL Indicates 100 127 10 ENGLISH Four Way Footswitch To The optional Marshall four way footswitch model MPM 4E provides a simple means of selecting four patches The footswitch will call up patches one to four however the Mapping facility can be used to call up any four of the 100 JM P 1 patches
8. the MIDI THRU terminal So the messages being sent via MIDI THRU are a direct copy of the messages received at MIDIIN The MIDI OUT terminal is not the same as the MIDI THRU terminal The JM P 1 will send it s own MIDI messages via the MIDI O UT terminal There are various different M IDI messages that one device can send to another The most important message is the MIDI program patch change message W hen the JMP 1 receives a program change message it will call up a patch W henever the JMP 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 JM P 1 has 100 internal patches but will respond to all 128 MIDI program change messages by using a MIDI mapping table MIDI Channel Another important thing to know about MIDI is the idea of MIDI Channels Most MIDI messages are sent over a MIDI Channel of which there are 16 In order for one MIDI device to communicate with another both devices must be operating on the same MIDI Channel The JM P 1 can be set to operate on any one of the 16 MIDI channels or in O mni mode In O mni mode the JM P 1 will respond to MIDI messages on all channels and will transmit on channel 1 To Set The MIDI Channel After pressing the channel key the display will indicate
9. Connect a MIDI cable from the MIDI O UT of the transmitting device to the MIDI IN on the JM P 1 Ensure that the memory lock is off see page 6 WARNING Receiving a MIDI dump will re write all your patches and mapping data so be sure that you are loading the correct data before you start If you are unsure then make a back up of your current data beforehand TE Fig 9 System Exclusive Dump Execute the dump from the transmitting device W hen the JM P 1 recognises the system exclusive code it will automatically respond by En pees Pte counting the M IDI data blocks as they are successfully received Fig 9 If this does not happen then re check the MIDI connections and that you Eg I Sior are sending the correct file W hen the transmission is completed the af I display will return to normal If their is an error Fig 10 in the MIDI data the JM P 1 will abandon the load and return to normal Try the load again the error could be due Fig 10 System Exclusive error to afile corruption or faulty cable Patch Patch Data Store MIDI Implementation Chart FUNCTION TRAN SM ITTED RECOGN IZED REMARKS Basic Default 1 OMNI M emorized Channel Channel 1 16 Default Message Altered N ote N umber True Voice Velocity Note ON Note OFF After Key s Touch Channels Pitch Bender Control Change Program Change True System Exclusive System Song Pos Song Sel Common Tune
10. LEVEL R RETURN L RETURN LEVEL R OUTPUT L OUTPUT LEVEL R OUTPUT L OUTPUT
11. eable parts Refer all servicing to qualified service personnel including replacement of fuses and valves The internal battery is not user changable Servicing is required when the apparatus has been damaged in any way such as when the power supply cord or plug is damaged liquid has been spilled or objects have fallen into the apparatus the apparatus has been exposed to rain or moisture does notoperate normally or has been dropped F NEVER use an amplifier in damp or wet conditions N o objects filled with liquids should be placed on the apparatus G ALWAYS unplug this apparatus during lightning storms or if unused for long periods of time H PROTECT the power cord from being walked on or pinched particularly at plugs convenience receptacles and atthe point where they exit from the apparatus mono HSITON 2 Note This equipment has been tested and found to comply with the requirements of the EM C directive Environments El E2 and E3 EN 55103 1 2 and the Low Voltage directive in the E U gt EUROPE ONLY Note The Peak Inrush current for the JM P 1 is 800mA Note This equipment has been tested and found to comply with the limits for a Class B digital device pursuant to part 15 of the FCC rules These limits are designed to provide reasonable protection against harmful interference in a residential installation This equipment generates uses and can radiate radio frequency energy and if notinstalled and used in accordance wit
12. efaultto the patch number that LL Pa was selected when the JM P 1 was last switched off Fig1 Your malen Zi e JM P 1 is now ready for action In rn Ic c Store Q Creating Your Sounds Your JM P 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 selections are at 0 no sound will be produced Each patch is made up of A The channel selection i e OD1 OD2 Clean 1 Clean 2 amp Bass Shift B The individual volume gain tone and effects levels that you have selected The first step is to selecta patch by pressing the patch key 5 using the rotary data control 7 to reach the desired patch number The next stage is to build your required sound firstly by selecting the channel O D1 O D2 Clean 1 or Clean 2 with or without bass shift then by selecting the volume gain tone and effects levels These controls work in exactly the same way as a normal M arshall amplifier where increasing the gain brings in more overdrive and the tone selections interact to shape the sound The JM P 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 Storing Yours Sounds Fig 2
13. h the instructions may cause harmful interference to radio communications However there is no guarantee that interference will not occur in a particular installation If this equipment does cause harmful interference to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one or more of the following measures Reorient or relocate the receiving antenna Increase the separation between the equipment and the receiver Connect the equipment into an outlet on a circuit different from that to which the receiver is connected Consultthe dealer or an experienced radio TV technician for help 2 CAUTION Any changes or modifications not expressly approved by the party responsible for compliance may void the users authority to operate the equipment gt Note It is recommended that all audio and M idi cables used to connect to the JM P 1 are of a high quality screened type These should not exceed 10 metres in length 2 WARNING Always ensure free movement of air around the apparatus Particular care should be taken if installing the apparatus in a rack so thatthe flow of air is notimpeded USA ONLY DO NOT defeatthe purpose of the polarised or grounding type plug A polarised plug has two blades with one wider than the other A grounding type plug has two blades and a third grounding prong The wide blade or the third prong are provided
14. ll 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 and Super Lead Amps operating at volumes just below distortion ODI1 Features the purity of distortion from the golden age of the plexi glass Super Leads As the gain is increased you pass through degrees of distortion into a rich higher gain mode with just the right nuances for the modern blues rock player Vintage crunch modern metal and fat blues lead sounds are all readily available OD2 Tightly focused stunning high gain is what you will find in O D2 Modern and aggressive smooth and fluid the gain levels and singing tone of this channel will give you infinite sustain whilst retaining a pure toneful quality Bass Shift The Bass Shift option can be switched in or out of any channel selection W hen selected it thickens the bottom end of the sound and tightens the playing feel On clean selections itadds body and on overdrive provides the extra low end throb so essential for heavy rock sounds ENGLISH Factory Sounds Your JM P 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
15. ment data information or to select a patch in patch mode 8 Volume Key Push this key to adjust the patch volume level between 0 and 20 The volume key LED will illuminate to indicate that the volume parameter has been selected The data display will show the current value The value can then be adjusted using the rotary data entry control 7 9 Gain Key Push this key to adjust the level of gain between 0 20 10 13 Tone Control Keys These keys should be combined to shape the Bass Middle Treble and Presence tone parameters They can all be adjusted between 6 and 6 14 Effect Key 15 OD1 Key 16 OD2 Key 17 Bass Shift 18 Clean 1 Key 19 Clean 2 Key 20 MIDI Mapping Key 21 MIDI Channel Key 22 Power Switch Rear Panel Features 23 Emulated Outputs This key varies the mix of the stereo effects loop between 0 and 12 AtO only the direct signal is heard and at 12 only the effected signal is heard W hen at 12 the loop is effectively running in series i e no direct signal This is ideal for use with a graphic equalizer or compressor limiter Asthe effect parameter level is reduced more direct signal is introduced as with a parallel loop This is best suited to Chorus Delay Reverb etc HSITONA This key selects overdrive 1 a warm vintage drive reminiscent of Marshall Super Lead amps through to modern day Master Volumes Selects overdrive 2 This a tightly focused high gain drive which can be smooth
16. ngus Ho 08 Filth 09 Bloooz 0 10 Bloooz 0 11 Tej as 12 Modster 13 Biffa 14 More Gary 15 Mid lands OD1 le Cuts through 0D2 le Increase Treb for dark guitars CL2 Modern clean Pick s up EFX well le Hi output pickups will distort oD1 le Fills up a lot of space O0D1 le Set bass to suit your guitar oD1 le Decrease Pres for single coils OD1 le M id control very effective CL2 le Hi output pickups will distort oD1 NK Bass control is the key here CL1 le Hi output pickups will distort CL1 Roll back guitar tone for full Jazz 16 Sunshine 17 Britaevious 18 Trash 19 800 s 20 LA Crunch Kim 21 Crusher 22 GritClean 23 Shred Spread 24 Warm Grit 25 Mellow ENGLISH Some Notes On MIDI In a modern guitar set up you might have a number of elements a pre amp and an effects processor or two By using MIDI to link these devices together you can control them all simultaneously This is the real use of MIDI for the guitarist M usical Instrument Digital Interface M ost MIDI devices are equipped with three MIDI terminals MIDI IN MIDI THRU and MIDI OUT The connection between these terminals is quite simple A MIDI IN terminal would be connected to a MIDI O utor MIDI THRU terminal Messages are sent from a MIDI OUT terminal to a MIDI IN terminal MIDI messages received at the MIDI IN terminal are simultaneously routed through at
17. performance These sounds can all be edited in the way described earlier and recalled if necessary using the procedure described in the section to reinitialise the JM P 1 Pre set sounds m Move ws vor cam BASS wo mes PRES owe foor or a fs s 03 Cleeeeen CL2 0D2 0D2 0D2 04 British Steel 05 Nasal Tone 06 Quo 07 AngusHo 08 Filth 09 Bloooz O 0D2 on OD2 on OD1 on OD1 OD1 OD1 on OD1 OD1 OD1 CL1 10 Bloooz 0 11 Tej as 12 M odster 13 Biffa 14 More Gary 15 MidJands 16 Sunshine 17 Britaevious 18 Trash 19 800 s 20 LA Crunch 21 Crusher 22 GritClean 23 Shred Spread 24 Warm Grit 25 Mellow CL1 Pre set sounds descriptions mme wooe amaes Pickurs COMMENTS posnoieen 002 wsotsiet sein wit ne bees 002 sees E con orosenie i ome SER t oo onenaren cuz w B osram 0D2 O wma er English overdrive 0D2 Min micrangy amp cating m et W hen tracks are full this fits 0D2 an else Rocks you all over the world 002 wen e tn 0D2 Bright semi scooped SB t Great for chords 0D2 meisowat S t Classic tone 0D2 BP As above more aggressive 0D1 miaii SB t Increase gain for vintage singles O0D1 noded ries er M ore than enough oD1 ee In your face crunch 002 mams SB sonna HSITONA 02 Sticky 03 Cleeeeen 04 British Steel 05 Nasal Tone 06 Quo 07 A
18. s both comfortable and familiar to guitar players The digital control capabilities add a new degree of flexibility to the way in which the tones can be switched and processed The advantages provided by this level of control are truly astounding After studying the manual and with a little practical exploration you will find an unbelievable range of sounds and will very soon wonder how you managed without MIDI The only limitis 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 Display The display is splitinto two sections and shows patch and data information 5 Patch Key Push this key to enter patch selection mode 0 99 The patch key LED will illuminate to indicate patch mode 6 Store Key Use this key to store a patch in the memory Operational Note Push once and the store key LED will flash The data entry control 7 can now be used to change the storage location Pushing patch or a parameter key will abandon the store Push the store key again to complete the store Also see section Creating Your Sounds 7 Data Entry Control This rotary control is used to increment decre
19. t outputs for connection to a power amplifier Gives 4dB or 10dB Master output level options ENGLISH 27 Effects Return Jacks Left and right jack sockets for connection from the outputs of an external effects processor If using a mono effects processor the left hand return socket only should be used In this instance both the left and right master outputs and speaker emulated outputs will now be working in mono 28 Effects Level Selection Switch Provides level selection of 4dB or 10dB to match the level of external effects processors 29 Effects Send Jack O utput for connection to the input of the external effects processor 30 Footswitch Socket Connection point for optional M arshall four way footswitch to give 4 patch selection 31 MIDI OUT Sends outgoing MIDI messages from the JM P 1 32 MIDI THRU Sends out M IDI messages identical to those coming in through the MIDI IN terminal 33 MIDI IN Terminal to receive incoming M IDI messages from external M IDI device 34 MAINS INPUT Your JM P 1 is provided with a detachable mains power lead which is connected here Before connecting for the first time please ensure that your JM P 1 is compatible with your electricity supply If you have any doubt please get advice from a qualified person Your M arshall dealer will help in this respect When you switch on W hen switching on the JM P 1 the unit will run through an Fig 1 Patch initialising process and will then d
20. the current M IDI Channel setting Fig 4 Fig 4 Channel selection Use the data entry control to select channels 1 to 16 or O mni mode Press the channel key again to store the channel setting zc Patch Bata and return to patch mode L ri mt Store Note The MIDI Channel setting isa Global parameter and not stored with an individual patch MIDI Channel setting is retained whilstthe unit is notpowered MIDI Mapping MIDI mapping is a simple and very useful facility but it often confuses those who are new to MIDI The MIDI Mapping table is stored in the memory and is made up of two parts Input mapping and O utput mapping Y Q MIDI MIDI MIDI THRU OUT g Incoming MIDI Data ME 009 4 Way Footswitch E Patches 1 4 Mapping Output Mapping to MIDI Device 00 127 Call up Internal Patch 00 99 Front Panel Control Input Mapping The input mapping table makes it possible to transpose any incoming MIDI Program Change number to select any desired JM P 1 patch For Example MIDI Program Change 124 could be mapped to JM P 1 patch 36 so whenever the JM P 1 received MIDI Program Change 124 it would call up patch 36 The Input mapping function is invaluable if you are using a MIDI foot controller that sends fixed Program Change messages Output Mapping In the same nature as input mapping the output mapping function can transpose any outgoing Program Change message If
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