Dave-smith-instruments PROPHET 12 DESKTOP User Manual

ModuleOperation Manual

viii Thank YouDave Smith Instruments

88 Appendix E: SupportDave Smith InstrumentsThe Prophet 12 plays out of tune. Check Master Coarse Tune and Master Fine Tune in the Global menu. If tha

89Prophet 12 Module Operation ManualAppendix E: SupportWarranty RepairDave Smith Instruments warrants that the Prophet 12 will be free from defects in

90 Appendix E: SupportDave Smith Instruments

Dave Smith Instruments1527 Stockton Street, 2nd FloorSan Francisco, CA 94133USAwww.DaveSmithInstruments.comDSI-944R 1-14

ixProphet 12 Operation ManualYour Prophet 12 Module is Hot!Your Prophet 12 Module is Hot!Figuratively and literally. Under normal operating conditions

x Your Prophet 12 Module is Hot!Dave Smith Instruments

1Prophet 12 Module Operation ManualOverviewOverviewThis is a brief overview of the Prophet 12 module, describing its capabilities and its operation. M

2 OverviewDave Smith InstrumentsA split program maps the layer A sound to a key zone on the left side of the split point and the layer B sound to the

3Prophet 12 Module Operation ManualOverviewSaving ProgramsSaving an edited program is easy. As mentioned previously, you can compare the edited progra

4 OverviewDave Smith Instrumentsmore effectively integrate the Prophet 12 into your rig, as well as information about using a footswitch and expressio

5Prophet 12 Module Operation Manual OSC 1SUB OSC LEVELFEEDBACK LEVELCHARACTERFEEDBACK LOOPVCAPANLRSUB OSCOSC 2OSC 3OSC 3 LEVELOSC 4 LEVELOSC 4OSC 1 LE

6 ConnectionsDave Smith InstrumentsConnectionsAC Power Inlet—Accepts 13.5VDC at 1400mA from the supplied external power supply. The tip of the plug is

7Prophet 12 Module Operation ManualConnectionsMain/A Outputs and B Outputs—Unbalanced, ¼″ audio outputs. The Main outputs are a mix of a program’s A a

8 Global SettingsDave Smith InstrumentsGlobal SettingsPress gloBal to set those parameters, such as Master Tune and MIDI Channel, which affect all pro

9Prophet 12 Module Operation ManualGlobal Settings8. MIDI Param Receive: Off, CC NRPN—Sets the method by which parameter changes are received via MIDI

10 Global SettingsDave Smith InstrumentsFor example, the Resonance parameter has a value range of 0 to 127. Let’s say the physical position of the Res

11Prophet 12 Module Operation ManualGlobal Settings21. Autotune Filters—Press Start Tuning (soft key 1) and follow the onscreen instructions to tune t

12 OscillatorsDave Smith InstrumentsOscillatorsThe Prophet 12 has four oscillators for each of its twelve voices. The oscillators are capable of gener

13Prophet 12 Module Operation ManualOscillatorsSHaPe mod/PulSe WidtH affects the pulse width or duty cycle of the Pulse wave.0Pulse Width-64 63When Tr

14 OscillatorsDave Smith InstrumentsPitch: C 0…C 10—Sets the base oscillator frequency over a 10-octave range, from 8 Hz to 8kHz, stepping in semitone

15Prophet 12 Module Operation ManualOscillatorsThe arrows between the oscillator select buttons show how the oscillators are paired, as does the follo

16 OscillatorsDave Smith InstrumentsFrequency Modulation (FM): 0…127—Allows one oscillator—called the modulator, for the purposes of FM synthesis—to m

17Prophet 12 Module Operation ManualCharacterCharacterThe Character controls affect the sonic character of the mixed output of the oscillators. The ef

iProphet 12 Operation Manual ModuleOperation ManualVersion 1.0January 2014Dave Smith Instruments1527 Stockton Street, 2nd FloorSan Francisco, CA 9413

18 Low-Pass FilterDave Smith InstrumentsLow-Pass FilterThe Prophet 12 features one analog resonant low-pass lter per voice. The lter is switchable b

19Prophet 12 Module Operation ManualLow-Pass Filterwhen the Attack segment actually begins.Attack: 0...127—Sets the attack time of the envelope.Decay:

20 Low-Pass FilterDave Smith InstrumentsOnABCOffA: The gate generated by pressing, holding, and then releasing a key. B: Corresponding DADSR envelope

21Prophet 12 Module Operation ManualHigh-Pass FilterHigh-Pass FilterAfter each voice’s low-pass lter, the signal passes through a 2-pole, resonant an

22 Voltage Controlled AmplierDave Smith InstrumentsVoltage Controlled AmplierAfter passing through the lter stages, the signal goes into an analog

23Prophet 12 Module Operation ManualVoltage Controlled AmplierDelay: 0...127—Sets a delay between the time the envelope is gated on and when the Atta

24 FeedbackDave Smith InstrumentsFeedbackThe analog output of the VCA is input to a tuned delay, whose output is mixed with the oscillators and input

25Prophet 12 Module Operation ManualDelayDelayThe Prophet 12 has a stereo, four-tap digital delay per voice. It can be used for simple delays or, in c

26 DelayDave Smith InstrumentsWhen Sync is on, Delay Time displays the following values.Displayed Value Delay Time64th 1/16 of 1 beat32nd 1/8 of 1 bea

27Prophet 12 Module Operation ManualDelayReverb and Modulation-Based EffectsA reverb is effectively multiple delays of a source signal as it moves thr

ii Dave Smith InstrumentsThis device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device ma

28 Low Frequency OscillatorsDave Smith InstrumentsLow Frequency OscillatorsThe Prophet 12 has four low frequency oscillators (LFOs) per voice. The LFO

29Prophet 12 Module Operation ManualLow Frequency OscillatorsDestination—The parameter being modulated by the LFO. See Modulation Destinations on page

30 Low Frequency OscillatorsDave Smith InstrumentsPulse and Random, shapes that normally change state virtually instantaneously. As Slew Rate increase

31Prophet 12 Module Operation ManualAuxiliary EnvelopesAuxiliary EnvelopesThe Prophet 12 has four, ve-stage envelope generators. Two of them are dedi

32 ModulationDave Smith InstrumentsModulationThe Prophet 12 has eight xed-source modulation paths and a 16 x 2 modulation matrix where the mod source

33Prophet 12 Module Operation ManualModulationUsing the Assign Mod ButtonsThe Prophet 12 provides a shortcut for modulation routing in the form of the

34 DistortionDave Smith InstrumentsDistortionThe Prophet 12’s stereo analog distortion is actually two stereo distortions, one for layer A and another

35Prophet 12 Module Operation ManualUnisonUnisonWhen uniSon is on, the Prophet 12 plays like a monophonic synthesizer. That is, only one note can be p

36 GlideDave Smith InstrumentsGlideGlide or portamento is a feature that has been present on synthesizers since at least the early ‘70s. (Earlier modu

37Prophet 12 Module Operation ManualHoldHoldWhen Hold is on, any played notes will continue to play until Hold is turned off. If more than twelve note

iiiProphet 12 Operation Manual Table of ContentsThank You ...viiYour Prophet 12 Module is Hot! ...

38 ArpeggiatorDave Smith InstrumentsArpeggiatorThe Prophet 12 has a exible and full-featured arpeggiator that can be synced to the LFOs, delay, and e

39Prophet 12 Module Operation ManualArpeggiatorDisplay Tempo Timing Division1/2 BPM/2 Half note1/4 BPM Quarter note1/8 BPM x 2 Eighth note1/8 Half Swi

40 ArpeggiatorDave Smith InstrumentsLock Notes: Off, On—With the arpeggiator ON, play and hold notes. Turning lock noteS On while notes are held will

41Prophet 12 Module Operation ManualArpeggiatorYou can also save notes to the arpeggiator scratchpad if Lock Notes is OFF. To do so, when MIDI notes a

42 Master Volume/Voice VolumeDave Smith InstrumentsMaster Volume/Voice VolumeVolume of a program is determined by a combination of the Master Volume,

43Prophet 12 Module Operation ManualPitch and Modulation WheelsPitch and Modulation WheelsThe range of your controller keyboard’s pitch wheel can be p

44 Layers, Split, and StackDave Smith InstrumentsLayers, Split, and StackEach of the Prophet 12’s programs contains two layers, layer A and layer B. E

45Prophet 12 Module Operation ManualLayers, Split, and StackIA. Program/Layer (soft knob 1): Choose any program and layer (A or B) in the current ban

46 Multi Mode OperationDave Smith InstrumentsMulti Mode OperationWhen Multi Mode is On, the Prophet 12 can be controlled by two separate MIDI channels

47Prophet 12 Module Operation ManualUsing USBUsing USBThe Prophet 12’s USB 2.0 port enables bidirectional MIDI communication with a computer. A MIDI i

iv Dave Smith InstrumentsDistortion ...34Unison ...35Glide ...

48 Multi Mode OperationDave Smith Instruments

49Prophet 12 Module Operation ManualAppendix A: Modulation SourcesAppendix A: Modulation SourcesOffOsc 1Osc 2Osc 3Osc 4LFO 1LFO 2LFO 3LFO 4Lowpass E

50 Appendix B: Modulation DestinationsDave Smith InstrumentsAppendix B: Modulation DestinationsLPF CutoffLPF ResonanceHPF CutoffHPF ResonanceVCAPanPan

51Prophet 12 Module Operation ManualAppendix B:Modulation Destinations LFO 3 AmountLFO 4 AmountLPF Env AmountAmp Env AmountEnv 3 AmountEnv 4 AmountLPF

52 Appendix C: Delay TimesDave Smith InstrumentsValue Time (msec)0 0.95561 1.01242 1.07263 1.13644 1.20395 1.27556 1.35147 1.43178 1.51699 1.607110 1.

53Prophet 12 Module Operation ManualAppendix B:Modulation Destinations Value Time (msec)90 150.460291 155.608992 160.757693 165.906494 171.055195 176.

54 MIDI ImplementationDave Smith InstrumentsValue Time (msec)186 644.7379187 649.8866188 655.0353189 660.1841190 665.3328191 670.4815192 675.6303193 6

55Prophet 12 Module Operation ManualMIDI ImplementationMIDI ImplementationProphet 12 receives MIDI data according to the mode controls under gloBal. I

56 MIDI ImplementationDave Smith InstrumentsMIDI MessagesSystem Real-Time MessagesStatus Description1111 1000 MIDI Timing Clock Received Channel Messa

57Prophet 12 Module Operation ManualMIDI ImplementationStatus Second Third Description1011 nnnn 32 0vvvvvvv Bank Select: 0 - 3 select user banks 1 - 4

vProphet 12 Operation Manual Credits and AcknowledgementsFor Sound Design:Robert RichHoward ScarrMatia SimovichJames TerrisMitch ThomasMark WilcoxTaih

58 MIDI ImplementationDave Smith Instruments1011 nnnn 0100 1010 0vvvvvvv Brightness: When assigned to Pedal 1 or Pedal 21011 nnnn 0000 1101 0vvvvvvv E

59Prophet 12 Module Operation ManualMIDI ImplementationCC# Param38 Data Entry LSB40 VCA Envelope Amt41 Velocity to VCA Env Amt42 VCA Env Delay43 VCA E

60 MIDI ImplementationDave Smith InstrumentsCC# Param108 HPF Key Amount109 Girth110 Air111 Hack112 Decimate113 Drive114 Feedback Amount115 Feedback Tu

61Prophet 12 Module Operation ManualMIDI ImplementationNRPN MessagesThe Non-Registered Parameter Number (NRPN) MIDI messages are used to transmit and

62 MIDI ImplementationDave Smith InstrumentsReceived NRPN MessagesStatus Second Third Description1011 nnnn 0110 0011 0vvvvvvv NRPN parameter number MS

63Prophet 12 Module Operation ManualMIDI ImplementationNRPN Range Description1030 0-2 MIDI Param Receive† 0 = NRPN 1 = CC 2= Off1031 0-1 MIDI Control

64 MIDI ImplementationDave Smith InstrumentsNRPN Range Description1043 0-3 Aftertouch Curve1044 0-3 Velocity Curve*Controller received, but not transm

65Prophet 12 Module Operation ManualMIDI ImplementationNRPNLayer ANRPNLayer BValue Description5 517 0-11 Osc 1 Wave Left 0 = Tines 1 = Mellow 2 = Chur

66 MIDI ImplementationDave Smith InstrumentsNRPNLayer ANRPNLayer BValue Description28 540 0-127 Osc 2 Glide Amount29 541 0-1 Osc 2 Sync 0 = Off 1 = On

67Prophet 12 Module Operation ManualMIDI ImplementationNRPNLayer ANRPNLayer BValue Description60 572 0-11 Osc 4 Wave Right (see Osc 1 Wave Left)61 573

vi Dave Smith Instruments

68 MIDI ImplementationDave Smith InstrumentsNRPNLayer ANRPNLayer BValue Description94 606 0-127 HPF Frequency95 607 0-127 HPF Resonance96 608 0-127 HP

69Prophet 12 Module Operation ManualMIDI ImplementationNRPNLayer ANRPNLayer BValue Description126 638 0-127 Velocity to Env 3 Amt 0 to 126 = -127 to -

70 MIDI ImplementationDave Smith InstrumentsNRPNLayer ANRPNLayer BValue Description148 660 0-15 LFO 1 Sync Setting 0 = 32nd triplet 1 = 32nd 2 = 16th

71Prophet 12 Module Operation ManualMIDI ImplementationNRPNLayer ANRPNLayer BValue Description159 671 0-1 LFO 2 Sync 0 = Off 1 = On160 672 0-7 LFO 2 S

72 MIDI ImplementationDave Smith InstrumentsNRPNLayer ANRPNLayer BValue Description184 696 0-1 LFO 4 Wave Reset 0 = Off 1 = On185 697 0-97 LFO 4 Desti

73Prophet 12 Module Operation ManualMIDI ImplementationNRPNLayer ANRPNLayer BValue Description203 715 0-255 Delay 3 Time204 716 0-11 Delay 3 Sync Sett

74 MIDI ImplementationDave Smith InstrumentsNRPNLayer ANRPNLayer BValue Description227 739 0-26 Mod 3 Source (see table of modulation sources and valu

75Prophet 12 Module Operation ManualMIDI ImplementationNRPNLayer ANRPNLayer BValue Description245 757 0-97 Mod 7 Destination (see table of modulation

76 MIDI ImplementationDave Smith InstrumentsNRPNLayer ANRPNLayer BValue Description264 776 0-254 Mod 12 Amount 0 to 126 = -127 to -1 127 = 0 128 to 25

77Prophet 12 Module Operation ManualMIDI ImplementationNRPNLayer ANRPNLayer BValue Description283 795 0-1 Unison 0 = Off 1 = On284 796 0-127 Unison De

viiProphet 12 Operation ManualThank YouThank YouI’ve been designing synthesizers for 35 years now, starting with the Prophet-5 in 1978. Often times ov

78 MIDI ImplementationDave Smith InstrumentsNRPNLayer ANRPNLayer BValue Description292 804 0-10 Arp Clock Divide 0 = half 1 = quarter 2 = eighth 3 = e

79Prophet 12 Module Operation ManualMIDI ImplementationNRPNLayer ANRPNLayer BValue Description488 1000 Name Character 9489 1001 Name Character 10490 1

80 MIDI ImplementationDave Smith InstrumentsThe following tables list the values used with the program parameters to specify modulation sources and de

81Prophet 12 Module Operation ManualMIDI ImplementationMod Destination ValueMod Destination ValueOff 0Osc 1 Freq 1Osc 2 Freq 2Osc 3 Freq 3Osc 4 Freq 4

82 MIDI ImplementationDave Smith InstrumentsMod Destination ValueEnv 4 Amount 67LPF Env Attack 68Amp Env Attack 69Env 3 Attack 70Env 4 Attack 71All En

83Prophet 12 Module Operation ManualMIDI ImplementationSysex MessagesUniversal System Exclusive Message (Device Inquiry)Status Description1111 0000 Sy

84 MIDI ImplementationDave Smith InstrumentsRequest Program DumpStatus Description1111 0000 System Exclusive (SysEx)0000 0001 DSI ID 0010 1010 Prophet

85Prophet 12 Module Operation ManualMIDI ImplementationProgram Data DumpStatus Description1111 0000 System Exclusive (SysEx)0000 0001 DSI ID0010 1010

86 MIDI ImplementationDave Smith InstrumentsPacked Data FormatData is packed in 8 byte “packets,” with the MS bit stripped from 7 parameter bytes, and

87Prophet 12 Module Operation ManualAppendix E: SupportAppendix E: SupportTroubleshootingHere are a few suggestions for resolving problems that may oc