Dave-smith-instruments PROPHET 12 KEYBOARD Manuel d'utilisateur Page 1

Operation Manual

viiiThank YouDave Smith Instruments

Dave Smith Instruments1527 Stockton Street, 2nd FloorSan Francisco, CA 94133USAwww.DaveSmithInstruments.comDSI-918R 5-13

1Prophet 12 Operation ManualOverviewOverviewThis is a brief overview of the Prophet 12’s capabilities and its operation. More in-depth information abo

2OverviewDave Smith Instrumentssounds, one in layer A and one in layer B. Layers are used to facilitate split and stacked programs.A split program map

3Prophet 12 Operation ManualOverviewUsing Show and Revert ParamEditing a program’s parameters causes the value for that parameter to be displayed. But

4OverviewDave Smith InstrumentsD. Edit Char (soft knob 4)—Choose a character.E. Copy Name A > B (soft key 1)—Copy the layer A name to layer B.F. In

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

6ConnectionsDave Smith InstrumentsUSBSustain100-24 0 VAC50-6 0 Hz30 Wat tsPedal 1 Pedal 2 Right Left RightLeftHeadphonesMIDI InMIDI Out MIDI ThruB Out

7Prophet 12 Operation ManualConnectionsUSBSustain100-24 0 VAC50-6 0 Hz30 Wat tsPedal 1 Pedal 2 Right Left RightLeftHeadphonesMIDI InMIDI Out MIDI Thru

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

9Prophet 12 Operation ManualGlobal Settings6. MIDI Param Receive: Off, CC NRPN—Sets the method by which parameter changes are received via MIDI. As wi

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

11Prophet 12 Operation ManualGlobal Settings18. Aftertouch Curve: Curve 1, Curve 2, Curve 3, Curve 4—Sets one of four pressure curves for the keyboard

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

13Prophet 12 Operation ManualOscillatorsWhen Triangle is the selected shape, the width of the wave is changed, similar to Pulse and Sawtooth, adding h

14OscillatorsDave Smith InstrumentsNote: The global Master Tune settings affect the pitch of all oscilla-tors. See Global Settings on page 8 for more

15Prophet 12 Operation ManualOscillatorsSlave Osc Master Osc1 22 33 44 1The effect of Sync is much more easily heard than explained. Here’s a simple e

16OscillatorsDave Smith Instrumentsthe oscillator select buttons show the modulator/carrier relationship between the oscillators, as does the followin

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

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

19Prophet 12 Operation ManualLow-Pass FilterDelay: 0...127—Sets a delay between the time the envelope is gated on and when the Attack segment actually

iProphet 12 Operation Manual Operation ManualVersion 1.0May 2013Dave Smith Instruments1527 Stockton Street, 2nd FloorSan Francisco, CA 94133USA©2013

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

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

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

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

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

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

26DelayDave Smith InstrumentsNote: The maximum delay time is 1 second. The combination of longer synced delay times with slower tempos can result in d

27Prophet 12 Operation ManualDelayFor chorus, start with a value around 53 (17.164 milliseconds).For ping-pong effects, use a square LFO routed to Del

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

29Prophet 12 Operation ManualLow Frequency OscillatorsDestination—The parameter being modulated by the LFO. See Modulation Destinations on page 50 for

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

30Low Frequency OscillatorsDave Smith InstrumentsThe effect of the Slew Rate control is most obviously heard on Pulse and Random, shapes that normally

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

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

33Prophet 12 Operation ManualModulation2. Choose a source by turning its knob or pressing its button, or my using a controller (pitch wheel, mod whee

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

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

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

37Prophet 12 Operation ManualHoldHoldWhen holD is on, any played notes will continue to play until holD is turned off. If more than twelve notes are p

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

39Prophet 12 Operation ManualArpeggiatorArp Mode BehaviorUp Plays from lowest to highest noteDown Plays from highest to lowest noteUp + Down Plays fro

iiiProphet 12 Operation Manual Table of ContentsThank You ...viiOverview. . . . . . . . . . . . . . . . . . .

40Master Volume/Voice VolumeDave Smith InstrumentsMaster Volume/Voice VolumeVolume of a program is determined by a combination of the Master Volume, V

41Prophet 12 Operation ManualPitch and Modulation WheelsPitch and Modulation WheelsThe Prophet 12 has a spring loaded pitch wheel and a modulation (mo

42Touch SlidersDave Smith InstrumentsTouch SlidersThe Prophet 12 has two position- and pressure-sensitive touch sliders. That is, each of the sliders

43Prophet 12 Operation ManualLayers, Split, and StackLayers, Split, and StackEach of the Prophet 12’s programs contains two layers, layer A and layer

44Layers, Split, and StackDave Smith InstrumentsIA. Program/Layer (soft knob 1): Choose any program and layer (A or B) in the current bank.B. Bank (so

45Prophet 12 Operation ManualPlay ListPlay ListPlay List enables programs to be organized into lists for quick and easy recall. There are four play li

46Play ListDave Smith InstrumentsAfter editing a program in play list mode, simply press the lit Bank select button to return to the current list/set/

47Prophet 12 Operation ManualUsing USBUsing USBThe Prophet 12’s USB 2.0 port enables bidirectional MIDI communica-tion with a computer. A MIDI interfa

48Play ListDave Smith Instruments

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

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

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

51Prophet 12 Operation ManualAppendix B:Modulation Destinations LFO 2 AmountLFO 3 AmountLFO 4 AmountLPF Env AmountAmp Env AmountEnv 3 AmountEnv 4 Amou

52Appendix 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 1.7

53Prophet 12 Operation ManualAppendix C:Delay Times Value Time (msec)90 150.460291 155.608992 160.757693 165.906494 171.055195 176.203896 181.352597 1

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

55Prophet 12 Operation ManualAppendix D: MIDI ImplementationAppendix D: MIDI ImplementationProphet 12 receives MIDI data according to the mode contr

56Appendix D: MIDI Implementation Dave Smith Instrumentsreceived MIDI SysEx messages, and will transmit them, when prompted, to the MIDI Out. MIDI Out

57Prophet 12 Operation ManualAppendix D: MIDI Implementation Status Second Third Description1011 nnnn 7 0vvvvvvv Volume: Combined with Master Volume a

58Appendix D: MIDI Implementation Dave Smith InstrumentsTransmitted Controller MessagesStatus Second Third Description1011 nnnn 0000 0001 0vvvvvvv Mod

59Prophet 12 Operation ManualAppendix D: MIDI Implementation CC# Param21 Delay 1 Feedback23 Delay 2 Time24 Delay 2 Sync25 Delay 2 Amount26 Delay 2 Fee

vProphet 12 Operation Manual Credits and AcknowledgementsFor Sound Design:Matia SimovichJames TerrisMitch ThomasMark WilcoxTaiho YamadaAlessandro Cort

60Appendix D: MIDI Implementation Dave Smith InstrumentsCC# Param94 Osc 4 FM95 Osc 4 AM96 Data Inc97 Data Dec98 NRPN LSB99 NRPN MSB100 RPN LSB101 RPN

61Prophet 12 Operation ManualAppendix D: MIDI Implementation NRPN MessagesThe Non-Registered Parameter Number (NRPN) MIDI messages are used to transmi

62Appendix D: MIDI Implementation Dave Smith InstrumentsReceived NRPN MessagesStatus Second Third Description1011 nnnn 0110 0011 0vvvvvvv NRPN paramet

63Prophet 12 Operation ManualAppendix D: MIDI Implementation NRPN Range Description1030 0-2 MIDI Param Receive† 0 = NRPN 1 = CC 2= Off1031 0-1 MIDI Co

64Appendix D: MIDI Implementation Dave Smith InstrumentsNRPN Range Description1043 0-3 Aftertouch Curve1044 0-3 Velocity Curve*Controller received, bu

65Prophet 12 Operation ManualAppendix D: MIDI Implementation NRPNLayer ANRPNLayer BValue Description5 517 0-11 Osc 1 Wave Left 0 = Tines 1 = Mellow 2

66Appendix D: MIDI Implementation Dave Smith InstrumentsNRPNLayer ANRPNLayer BValue Description28 540 0-127 Osc 2 Glide Amount29 541 0-1 Osc 2 Sync 0

67Prophet 12 Operation ManualAppendix D: MIDI Implementation NRPNLayer ANRPNLayer BValue Description60 572 0-11 Osc 4 Wave Right (see Osc 1 Wave Left)

68Appendix D: MIDI Implementation Dave Smith InstrumentsNRPNLayer ANRPNLayer BValue Description94 606 0-127 HPF Frequency95 607 0-127 HPF Resonance96

69Prophet 12 Operation ManualAppendix D: MIDI Implementation NRPNLayer ANRPNLayer BValue Description126 638 0-127 Velocity to Env 3 Amt 0 to 126 = -12

vi Dave Smith Instruments

70Appendix D: MIDI Implementation Dave Smith InstrumentsNRPNLayer ANRPNLayer BValue Description148 660 0-15 LFO 1 Sync Setting 0 = 32nd triplet 1 = 32

71Prophet 12 Operation ManualAppendix D: MIDI Implementation NRPNLayer ANRPNLayer BValue Description159 671 0-1 LFO 2 Sync 0 = Off 1 = On160 672 0-7 L

72Appendix D: MIDI Implementation Dave Smith InstrumentsNRPNLayer ANRPNLayer BValue Description184 696 0-1 LFO 4 Wave Reset 0 = Off 1 = On185 697 0-97

73Prophet 12 Operation ManualAppendix D: MIDI Implementation NRPNLayer ANRPNLayer BValue Description207 719 0-127 Delay 3 Feedback211 723 0-255 Delay

74Appendix D: MIDI Implementation Dave Smith InstrumentsNRPNLayer ANRPNLayer BValue Description232 744 0-254 Mod 4 Amount 0 to 126 = -127 to -1 127 =

75Prophet 12 Operation ManualAppendix D: MIDI Implementation NRPNLayer ANRPNLayer BValue Description251 763 0-26 Mod 9 Source (see table of modulation

76Appendix D: MIDI Implementation Dave Smith InstrumentsNRPNLayer ANRPNLayer BValue Description269 781 0-97 Mod 13 Destination (see table of modulatio

77Prophet 12 Operation ManualAppendix D: MIDI Implementation NRPNLayer ANRPNLayer BValue Description286 798 0-5 Unison Key Assign 0 = low note 1 = low

78Appendix D: MIDI Implementation Dave Smith InstrumentsNRPNLayer ANRPNLayer BValue Description294 806 0-1 Arp Auto Latch 0 = Off 1 = On288 800 30-250

79Prophet 12 Operation ManualAppendix D: MIDI Implementation ASCII 74 75 76 77 78 79 80 81 82 83 84 85Character J K L M N O P Q R S T UASCII 86 87 88

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

80Appendix D: MIDI Implementation Dave Smith InstrumentsMod Destination ValueHPF Resonance 33VCA 34Pan 35Pan Spread 36Feedback Amount 37Feedback Tunin

81Prophet 12 Operation ManualAppendix D: MIDI Implementation Mod Destination ValueLPF Env Attack 67Amp Env Attack 68Env 3 Attack 69Env 4 Attack 70All

82Appendix D: MIDI Implementation Dave Smith InstrumentsSysex MessagesUniversal System Exclusive Message (Device Inquiry)Status Description1111 0000 S

83Prophet 12 Operation ManualAppendix D: MIDI Implementation Request Program DumpStatus Description1111 0000 System Exclusive (SysEx)0000 0001 DSI ID

84Appendix D: MIDI Implementation Dave Smith InstrumentsProgram Data DumpStatus Description1111 0000 System Exclusive (SysEx)0000 0001 DSI ID0010 1010

85Prophet 12 Operation ManualAppendix D: MIDI Implementation Packed Data FormatData is packed in 8 byte “packets”, with the MS bit stripped from 7 par

86Appendix E: SupportDave Smith InstrumentsAppendix E: SupportTroubleshootingHere are a few suggestions for resolving problems that may occur.The arpe

87Prophet 12 Operation ManualAppendix E: SupportMIDI System Exclusive data is not be transmitted/received. Check the SysEx settings in the Global menu

88Appendix E: SupportDave Smith Instrumentswww.davesmithinstruments.com to establish the date of purchase. (This is not a requirement for warranty ser