SequentialSystems PRO-ONE 100 Operation Manual Download

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Summary of Contents for PRO-ONE 100

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Page 2: ...PRO ONE SYNTHESIZER OPERATION MANUAL by Stanley Jungleib MODEL 100 S N 1 and up Sequential Circuits Inc 3051 North 1st Street San Jose CA 95134 408 946 5240...

Page 3: ...routings provided for their interconnection have been well proven in the Pro One s ancestors the Prophet 5 and Prophet 10 polyphonic synthesizers Besides allowing the synthesist to play up to five or...

Page 4: ...6 SEQUENCER 11 1 7 IN CASE OF DIFFICULTY 12 SECTION 2 FRONT PANEL 2 0 INTRODUCTION 13 2 1 THE VOICE 13 2 2 OSCILLATOR A 15 2 3 OSCILLATOR B 16 2 4 GLIDE 17 2 5 MIXER 17 2 6 FILTER 18 2 7 AMPLIFIER 20...

Page 5: ...4 4 FUSE 28 SECTION 5 SERVICE 5 0 INTRODUCTION 29 5 1 REMOVING PCB 29 5 2 DAC SCALE 29 5 3 TUNING 30 5 4 AMPLIFIER BALANCE 33 5 5 KEY CONTACTS 33 5 6 DIGITAL INTERFACE 34 5 7 AUTHORIZED SERVICE CENTER...

Page 6: ...loosen socketed integrated circuits ICs If you expect to transport the Pro One regularly we recommend that you invest in a professional flight case for it These are made by several manufacturers and s...

Page 7: ...nd system becomes part of the instrument Of course you can use anything you like But if your speakers are muddy and weak so will be your sound Using your home stereo will generally give you good high...

Page 8: ...and select a factory patch Set the Pro One s controls as closely as possible to the diagram while playing on the keyboard Patching is a fine art be patient Note that there is inherent error in the di...

Page 9: ...semitone range It is used to easily tune the Pro One to another instrument such as a piano Once set MASTER TUNE is not usually adjusted during performance If no other instrument is in use the MASTER T...

Page 10: ...tched to RETRIG retriggering mode a GATE will be produced whenever a new key is hit regardless of its position on the keyboard or of the number of keys simultaneously held In other words the last key...

Page 11: ...evenly you record a Pro One sequence it will always play back with all notes and rests evenly timed The playback speed is controlled by the LFO CLOCK FREQUENCY knob The 40 note memory capacity is divi...

Page 12: ...witch DRONE on The GATE LED should light If it doesn t either power is not reaching the unit or the internal fuse has blown First check the power source by plugging in other equipment Examine the Pro...

Page 13: ...signals However by feeding a sufficient amount of FILTER output back to its input with the RESONANCE control the FILTER will become a pitch generator at its CUTOFF frequency The AMPLIFIER stage is als...

Page 14: ...2 8 9 _I _ _ _ 1 9 1 9 _21 9 1 WHITE NOISE r i I 0 I I 1 1 OSCILLATOR B KYBD 1 _2 4 5 A rL B _ _ _ 1 c I __ _ iW cc i LJ J OH s SHAPE t LO FREQ t j El 34 3 Figure 2 0 VOICE SIGNAL FLOW KYBD CV DO PliC...

Page 15: ...s an audio frequency source always under control of the keyboard FREQUENCY knob Adjusts initial frequency continuously over a one octave tange OCTAVE rotary switch Transposes initial frequency over a...

Page 16: ...CY PULSE WIDTH Figure 2 2 OSC B is similar to OSC A except that in addition to being a keyboard controlled audio frequency source it can also be a low frequency modulation source with or without keybo...

Page 17: ...n a new key is hit with the previous key still held This enables complex tuned pitch bending with one hand 2 5 MIXER MIXER 3 7 21 I 98 3 7 98 3 7 21 I 98 0 10 0 10 0 10 OSC A OSC B NOISE EXT Figure 2...

Page 18: ...f frequency will increase The components far below the cutoff frequency will be less audible relative to the frequencies being resonated As the setting is increased beyond 7 the filter breaks into osc...

Page 19: ...a rate set by the RELEASE knob ATTACK knob Varies time for envelope to increase from zero to maximum from 2 milliseconds to more than 6 seconds DECAY knob Varies time for envelope to decrease from ma...

Page 20: ...Y periods have elapsed 2 8 MODULATION A synthesizer s expressiveness stands on its modulation facilities The Pro One has three modulation sources which are fully mixable and routable over simultaneous...

Page 21: ...er f u en 0 i1 1 t I I t a c i1 w c 0 w z w t a w I I o o u c rn l rn i i I D Cl I cffJ I iilS ffi c r DJ i I 0 N i LL DJ 0 a t e o ij o t t it 0 l IJ i _ l l i I I 0 Cl z V z 0 cm I 1 N l DJ i co I Q...

Page 22: ...e amount of modulation mixed into the WHEEL or DIRECT paths by the adjacent ROUTE switches FIL ENV OSC B and LFO ROUTE switches Assign the modulation sources to either the WHEEL or DIRECT paths Each s...

Page 23: ...velope generators This GATE can also advance the arpeggiator or sequencer when these keyboard controls are selected It overrides both the LFO CLOCK and the GATE CLK IN input see below To enable the ga...

Page 24: ...nput is enabled by selecting the REPEAT EXT MODE it provides for envelope gating or sequencer or appegiate clocking by an external 5V nominal pulse 3 6 CV IN This jack accepts 0 10 Vde for control of...

Page 25: ...e must always be completed in the order presented The entire procedure is done by ear without instruments What you will be listening for is often described below by the term zero beat This refers to t...

Page 26: ...h according to Figure 4 0 Note trimmer names and locations 2 Hit Cl see Figure 1 0 and adjust OSC B FREQUENCY in tune zero beat with OSC A This sets up OSC B for use as a reference 3 Hit CO and adjust...

Page 27: ...ain adjust OSC B FREQUENCY for zero beat If this required increasing OSC B FREQUENCY to attain zero beat turn OSC B SCALE trimmer clockwise CW a small amount If OSC B FREQUENCY needed decreasing turn...

Page 28: ...he keyboard cable should be twisted so that the ribbon crosses over the board If correct the numbers 9 16 stamped on the connector will run along the PCB edge 8 Assembly is just the reverse of these s...

Page 29: ...CB should now lift away from the top panel If not check that the GATE LED is not stuck or cemented 6 Set the PCB on insulation on the bottom panel and reconnect AC and keyboard Switch power on and all...

Page 30: ...10 0 0 D 10 1 Patch according to Figure 5 0 For component locations see Figure 5 1 2 Turn Rl35 OSC A HI SCALE fully counterclockwise CCW 3 Hit Cl and adjust OSC B FREQUENCY for zero beat 4 Hit CO and...

Page 31: ...1 11111 Rl28 Rl35 Rl20 OSC A OSC A Rllll Rll38 JlOl OSC A OFFSET SCALE HI TRIH 1VTRIP1 VCA BALANCE Rl40 Rl 48 Rl57 JUMPER Ull3 Rll82 OSC B OSC B OSC B COPTIONAU 8021 OPTIONAL OFFSET SCALE HI TRIM Fig...

Page 32: ...trimmer clockwise CW a small amount If OSC B FREQUENCY needed decreas turn OSC B SCALE trimmer counter clockwise CCW a small amount 22 Repeat steps 20 and until both ends of the keyboard tunes with ze...

Page 33: ...9 1 9 9 D 10 0 10 0 10 GLIDE 4 5 7 AUTO O 10 INNIMAL AAPEGGIATE 1 0 10 0 10 0 10 0 10 ENVELOPE KEYHJlltD AMOUNT AMOUNT 2 8 2 8 2 8 2 1 9 1 9 1 1 10 0 10 D 10 0 10 A M P L I F I E R 2 82 2 1 9 1 0 10...

Page 34: ...epts six data bits DO through D5 This allows the numbers 0 through 63 decimal to convert to over five octaves of keyboard control when latched to the internal digital to analog converter DAC by the po...

Page 35: ...IRC MUSIC 5911 E 82nd St Indianapolis IN 46218 317 849 7965 PROTOTYPES 10449 Metropolitan Ave Kensington MD 20795 301 942 1731 CMlOO 2 81 RIVERA MUSIC SERVICE 48 Brighton Ave 1111 Allston MA 02134 617...

Page 36: ...ublishing Sherman Oaks CA Ernst David The Evolution of Electronic Music Schirmer New York NY Helmholtz Hermann On the Sensations of Tone Dover Publications New York NY Strange Allen Electronic Music W...

Page 37: ...ngle ideal trumpet or bass patch for example because the synthesized sound must usually be heard in a musical context of rhythm melody and harmony The notes played their speed your technique the voici...

Page 38: ...1 a o 9 1 o 10 9 Try auto glide Try adding OSC B s sawtooth raise MIX OSC B Advancing MOD wheel gives vibrato Adjust LFO AMOUNT MODULATION FRDM TD w n 1 9 DIAECT AMOUNT ROUTE FIL ENV 3 7 WHEEL W 1 0...

Page 39: ...e MOD wheel Vary LFO rate Try reducing AMPLIFIER SUSTAIN and adjusting DECAY level NORMAL GLIDE with a rate of 6 7 plus wheel modulation gives 1950s sci fi film sound Advance FILTER ENVELOPE AMOUNT FA...

Page 40: ...le white noise FAOM TO 1 r I DIRECT ROUTE FIL ENV r AMOUNT ROUTE OSC B ROUTE LFO WH 11 DIRD OFF DIR OFF OFF OFF OIAL_C Bass Clav OSCILLATOR A MIXER A rL 3 I 6 7 SYNC 2 8 1 D 1 OSCILLATOR s II _ _ 1 I...

Page 41: ...OIA lJ 1 9 s 0 SHAPE 0 AMOUNT ROUTE OSC B WH AAPEGGIATE DUI L__J A fL i __ 7 WHEEL OFF r0 2 8 WH II 1 9 DIRECT OFF 1 9 SHAPE SEQ 2 Percussive Organ FILTER t 2 8 2 __ __a 98 s I 0 0 0 ENVELOPE 1 Y80AAO...

Page 42: ...21 0 8 First hold one key a second then add a third or fourth Latch the arpeggiator or record sequence Adjust LFO CLOCK FREQUENCY Adjust OSC B FREQUENCY which is secondary LFO Adjust AMPLIFIER ATTACK...

Page 43: ...l _ II 1 I DIRECT _ i 9 I I D 0 10 o 10 j 1 I R DIR OSCILLATOR 8 it A 11 4 ti r1 21 18 I II SHAPE AMOUNT ROUTE DSC B ARPEGGIATE A 11 n GATE 2 8 OFF 0 1 I SHAPE WHn DIR lJ Clarinet FILTER _ s JJ 2 8 I...

Page 44: ...P L I F I E R i a i I I_ 1 T s m j 9 9 m l 8 2 8 9 I 0 10 Cl 10 Uses LFO as an envelope generator LFO is reset by keyboard trigger when ARPEGGIATE is switched on OSCILLATOR A r_s o m II rL 3 i _r 7 S...

Page 45: ...0 10 0 10 D 10 AMPLIFIER B GOE 2 8 2 8 2 8 2 8 9 1 9 1 9 1 9 0 10 0 10 0 0 0 10 FROM TO OSCILLATOR A M I X E R F I L T E R 3 7 WHHL 1 0 o 9 DIRECT II MOUNT ROUTE FIL ENV w n 1 g DIRECT AMOUNT ROUTE DS...

Page 46: ...ating Fifths Tune OSC A a perfect fifth above OSC B Play chords The LFO CLOCK is controlling the ARPEGGIATOR and filter modulation through the filter envelope Change FILTER ENVELOPE AMOUNT and RESONAN...

Page 47: ...SHAPE ___ _ 9 9 r 9 0 10 0 10 0 10 o s o 10 NORMAL ___ 2 a2 a 2 W a 1 0 0 9 1 s 1 s ENVELOPE AMOUNT KEYBOARD AMOUNT IT i l II n GATE II _ _ __ 9 _ _ ___ _ _ 4_ _ s r s s s 7 9 s 0 10 0 10 10 0 10 0 1...

Page 48: ...hese panel blanks are provided for you to record your own patches Feel free to reproduce them for your own use For quantities over 100 printing at a quick print shop will often be more economical than...

Page 49: ...1 I 9 A rL a a a SEQUENCER ARPEGGIATE A L q B Fl 8 J SHAPE I 2 I O C8 El GLIDE j i O llOltMAL 8 8GOE AUTO 31 11 t FROM TO w m _g IIMOUNT ROUTE FtL ENV wan 1 9 DIRECT AMOUNT ROUTE DSC B WH WH a OFFW DI...

Page 50: ...U 1 9 LJ __J 3tJ 9 D SHAPE 0 10 NOR AL OFF fl SEQ 1 fl t J I I SHAPE FILTER 78 9 _ 1 9 Fi 1 s L 10 NORMAL RATE 2 8 1 9 ODECAY _ 9 B Fl 2 a 2 s 9 1 9 0 10 0 ATTACI DECAY I 9 OSCILLATOR A fl 3 7 SYNC E...

Page 51: ...i l 0 a 1 I J n I OSCILLATOR B II 11 J WM tl i 3 I T D 1 9 llMaPI LFOICLOCK SEQUENCER v n 11 1 II llMAPE t o 10 n DIC llOIUllllT OSCILLATOR A MIXEA 1 I I 0 0 OSCILLATOR a _ A Tl RICORD 2 f l MAPI U DD...

Page 52: ...2 8 _ I ______ LJ SHAPE I I 11 SEO 1 R p J B 1 SHAPE I 11 3 0 __ j El 8 2 I a 1 s OSCILLATOR B _ LFO CLOCI I 2 B 0 8 1 1 J I I 11 B B 8 ii 2 8 9 0 El B SEQUENCER AAPEGGIAT 11 BEG 1 M B 8 SHAPE 3 1 _it...

Page 53: ...LFO OSCA W q o OSCILLATOR _ _ _ _ _ _ _ A rL 8 B 8 1 9 PW SE WIOTH OSCILLATOR A rL 8 8 a SHAPE MIXER 2 81 82 8 1 1 8 O 10 O 10 D 1D OLIO 8 B 8 LFO CLDCK SEQUENCER A rL B B B 8 B B B oE SHAPE OSCILLAT...

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