Midistart MIDI controller keyboard Spécifications

Operation Manual

Audio can also be used to advance the sequencer when Seq Trigger is set to Audio In. See Sequencer on page 21 for more information. Left Out/Right Out

Basic Operation If you’re familiar with analog, subtractive synthesis there shouldn’t be anything that looks terribly foreign or strange about Mopho’s

Program—Press to return Mopho to program mode. Hold to select global mode. Compare—When editing a Program, press Compare to hear the saved version. Tu

Modes of Operation Mopho has three operating modes: program, edit, and global. In program mode, Param 1, Param 2, and Inc/Dec are used to change from

OSC 1FEEDBACK/EXT. IN GAINFEEDBACK/EXT. IN VOLUMEFEEDBACKSUB 1 VOLUMESUB 2 VOLUMEVCAPANLRVOLUME AUDIO OUTNOISE VOLUMESUBOSCOSC 2SUBOSCNOISEFILTEROSCMI

Global Parameters Mopho’s Global parameters affect all programs globally. Examples include MIDI channel and fine tune. To edit the Global parameters,

MIDI Out Select: Out, Thru—MIDI Out can be switched to MIDI Thru to daisychain multiple MIDI devices. Poly Chain: Off, Out 1, Out 4, Out 5, Out 8, Out

arpeggiator. Mopho can be configured for use with either normally open (+) or normally closed (-) footswitches. When set to Arp+ or Arp-, the footswit

voice architecture is almost identical, but lacks the sub octave generators and feedback. Display MIDI Transmit Operation Current Program Dump curr

Oscillators The Oscillators section contains the primary controls for Mopho’s two digitally controlled analog oscillators or DCOs. “Digitally control

wave, higher values widen it. At the extreme values, the pulse goes completely flat, which allows for some interesting possibilities with pulse width

Glide Mode: FixRate, FixRate A, FixTime, FixTime A—Determines how the oscillators respond when Glide is on. FixRate: The time to transition between no

Mixer The Mixer section balances the levels of the outputs of the Oscillators section and noise generator, and the Audio In/feedback loop before rout

Filter Mopho features a selectable 2- or 4-pole, low-pass filter. 4-Pole—Selects the filter configuration. When lighted, the filter is in 4-pole mode

Envelopes Mopho has three 5-stage (Delay + ADSR) envelope generators. Two are dedicated—one to the filter and the other to the amplifier—and the thir

LFO Mopho has four low frequency oscillators (LFOs). The LFOs can be free-running, synced to keystrokes, or synced to the sequencer and MIDI clock. T

Display Timing Sync 32 Steps Sequence speed divided by 32; one LFO cycle takes 32 steps 16 Steps Sequence speed divided by 16 8 Steps Sequence spee

Sequencer For many musicians, the term sequencer has become synonymous with MIDI sequencer; that is, a computer-based application or dedicated hardwa

does not respond to MIDI start/stop/continue messages, but it can still sync to an external clock. Simply turn on the sequencer and then play and hold

Sequence one has an additional value, Rest, that appears in the list after Reset. Rest prevents the envelopes from being gated by the corresponding st

Mopho Operation Manual Version 1.1 August 2010 Dave Smith Instruments 1210 Cabrillo Hwy N Half Moon Bay, CA 94019-1449 USA

To avoid having to hold a key down, set the Push It Mode (Misc. Parameters) to Toggle. Then use Push It to start and stop the sequencer. You may also

Note: Depending upon the BPM and Clock Divide settings, the slew rate can actually exceed the time the envelopes are gated on, causing a step in the a

Modulators Modulators lets you configure the modulation routing and amount for Mopho’s four general-purpose modulation slots. Since each Mopho modula

Miscellaneous Modulators There are certain standard controllers that Mopho consigns to dedicated modulators, things like mod wheel, pressure (aka aft

Clock The Clock section contains the controls for the internal clock tempo and the note value for the arpeggiator and sequencer (and LFO, when Clock

The Arpeggiator can also be latched with a footswitch connected to the Sustain jack. See “Sustain” in Global Parameters on page 9. The Arpeggiator (an

Miscellaneous Parameters Miscellaneous Parameters groups together programmable parameters that do not conveniently fall into any obvious section or,

droning sounds, or possibly when using Mopho to process external audio, turn the VCA Level up. Push It Mode: Normal, Toggle, Audio In—When set to Norm

Modulation Sources Display Source Off No source selected Sequence1 Sequence 1 Sequence2 Sequence 2 Sequence3 Sequence 3 Sequence4 Sequence 4 LFO 1 LFO

Modulation Destinations Display Destination Off No destination selected Osc 1 Freq Oscillator 1 Frequency Osc 2 Freq Oscillator 2 Frequency OscAllFreq

Tested To ComplyWith FCC StandardsFOR OFFICE USE This device complies with Part 15 of the FCC Rules. Operation is subject to the following two

Mod 3 Amt Modulator 3 Amount Mod 4 Amt Modulator 4 Amount Fback Vol Feedback Volume Sub Osc 1 Sub Oscillator 1 Level Sub Osc 2 Sub Oscillator 2 Level

Using USB Mopho’s USB 2.0 port enables bidirectional MIDI communication with a computer. A MIDI interface and MIDI cables are not necessary, just a US

Windows Vista and Windows 7 behave the same as XP, but the device name is DSI Mopho rather than USB Audio Device. In Windows, if you unplug the USB ca

Using Audio In The Audio In jack on Mopho’s rear panel can take audio from a variety of sources, including line level signals and guitars. But what ha

Using Poly Chain Mopho’s Poly Chain output enables it to be connected to other DSI synths for up to 17-voice polyphony. Products that can be chained i

Note: If syncing to an external MIDI clock, set MIDI Clock (Global menu) on the master and any intermediate units to MIDI In/Out. Set the last instrum

9 Voices:MIDIInProphetInPolyChainOutMopho Kybd.Out 8MIDIInPolyChainOutTetraInOut49 Voices:MIDIInTetraIn EndPolyChainOutMopho Kybd.Out 8MIDIInPolyChain

Support Troubleshooting Here are a few suggestions for resolving problems that may occur. The sequencer has stopped running. Make sure Clock in the Gl

Warranty Repair Dave Smith Instruments warrants that Mopho will be free from defects in materials and/or workmanship for 1 year from the date of purch

MIDI Implementation Mopho receives MIDI data according to the mode controls under GLOBAL. In addition, there is interaction between some of the Progra

Contents Quick Start... 1 Getting Connected ...

MIDI Messages System Real-time Messages Status Description 1111 1000 MIDI Timing Clock Received Channel Messages Status Second Third Descript

Transmitted Channel Messages Status Second Third Description 1000 nnnn 0kkkkkkk 0000000 Note Off. 1001 nnnn 0kkkkkkk 0vvvvvvv Note On. 101

46 Additional Continuous Controllers (CCs) Transmitted/Received The following table details how CCs are mapped onto Mopho’s controls. They are trans

NRPN Messages The Non-Registered Parameter Number (NRPN) MIDI messages are used to transmit and receive both global and program parameters. They are t

Received NRPN Messages Status Second Third Description 1011 nnnn 0110 0011 0vvvvvvv NRPN parameter number MSB CC 1011 nnnn 0110 0010 0vvvvvvv

Param NRPN Range Description 8 406 0 - 1 MIDI Out Select*: 0 MIDI Out 1 MIDI Thru 9 387 0 - 6 Poly Chain*: 0 Off 1 Out 1 2 Out 4 3 Out

Program Parameter Data The following table lists Mopho’s voice parameters. The parameter number in the program and edit buffer dumps are different tha

22 17 0 - 127 Filter Keyboard Amount 23 18 0 - 127 Filter Audio Modulation 24 19 0 - 1 Filter Poles 0: 2-pole; 1: 4-pole 25 20 0 - 254 Fi

50 45 0 - 47 LFO 2 Mod Destination; See Modulation Destination list below 51 46 0 - 1 LFO 2 Key Sync Off/On 52 47 0 - 166 LFO 3 Frequency; sa

86 84 0 - 47 Pressure Destination; See Modulation Destination list below 86 85 0 - 254 Breath Amount; -127 to +127 88 86 0 - 47 Breath Desti

103 97 0 - 14 Arpeggiator Mode: 0 Up 1 Down 2 Up/Down 3 Assign 4 Random 5 Up 2 Octaves 6 Down 2 Octaves 7 Up/Down 2 Octaves 8 Assign 2 Octaves 9

The following tables list the values used with the program parameters to specify modulation destinations and sources. Mod Destinations Value Off 0 O

Mod 1 Amt 40 Mod 2 Amt 41 Mod 3 Amt 42 Mod 4 Amt 43 External Audio In Level 44 Sub Osc 1 Level 45 Sub Osc 2 Level 46 Feedback Gain 47 Slew* 4

Sysex Messages Universal System Exclusive Message (Device Inquiry) Status Description 1111 0000 System Exclusive (SysEx) 0111 1110 Non-realtime me

Request Program Edit Buffer Dump Status Description 1111 0000 System Exclusive (SysEx) 0000 0001 DSI ID 0010 0111 Mopho keyboard ID 0000 0110

59 Program Edit Buffer Data Dump Status Description 1111 0000 System Exclusive (SysEx) 0000 0001 DSI ID 0010 0111 Mopho keyboard ID 0000 0011

Dave Smith Instruments 1210 Cabrillo Hwy N Half Moon Bay, CA 94019-1449 USA www.DaveSmithInstruments.com

Quick Start Thanks for purchasing your Mopho synthesizer! Listen to the sounds, twiddle some knobs, have some fun! Please Register! Please go to www.d

Don’t forget you get a free editor for Mac OS or Windows with your purchase. Download it from www.soundtower.com/mopho. I should mention that this man

Getting Connected Mopho has several inputs and outputs on its back panel. Power Input — Connect the power supply included with your Mopho. The power s