Enclosure not stated
Pearl OC-07
Based on the Pearl OC-07 Octaver· 1 other board clones it
- Category
- Vibrato / Chorus· Vibrato and Pitch Shift
- Price
- see vendor
- Tags
- Vibrato and Pitch Shift
Schematic
The schematic is the archived file. Open it at Experimentalists Anonymous, or browse its folder.
Parts list 137 rows
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Check before you build · 4 values the reader of this schematic was not sure of
- R51: blurred, 18K (could be 10K)
- R35/R53/R54: labels misprinted or blurred, numbered by elimination
- C23: label blurred, could be C25
- AVR-1 (main board): no value drawn
| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 70 | ||||
| R1 | 1K | 1k | read from the schematic by eye | |
| R2 | 1M | 1M | read from the schematic by eye | |
| R3 | 10K | 10k | read from the schematic by eye | |
| R4 | 1M | 1M | read from the schematic by eye | |
| R5 | 2.7K | 2.7k | read from the schematic by eye | |
| R6 | 10K | 10k | read from the schematic by eye | |
| R7 | 22K | 22k | read from the schematic by eye | |
| R8 | 330K | 330k | read from the schematic by eye | |
| R9 | 330K | 330k | read from the schematic by eye | |
| R10 | 33K | 33k | read from the schematic by eye | |
| R11 | 1M | 1M | read from the schematic by eye | |
| R12 | 10K | 10k | read from the schematic by eye | |
| R13 | 10K | 10k | read from the schematic by eye | |
| R14 | 18K | 18k | read from the schematic by eye | |
| R15 | 24K | 24k | read from the schematic by eye | |
| R16 | 10K | 10k | read from the schematic by eye | |
| R17 | 220K | 220k | read from the schematic by eye | |
| R18 | 5.6K | 5.6k | read from the schematic by eye | |
| R19 | 100K | 100k | read from the schematic by eye | |
| R20 | 47K | 47k | read from the schematic by eye | |
| R21 | 47K | 47k | read from the schematic by eye | |
| R22 | 27K | 27k | read from the schematic by eye | |
| R23 | 100K | 100k | read from the schematic by eye | |
| R24 | 22K | 22k | read from the schematic by eye | |
| R25 | 330K | 330k | read from the schematic by eye | |
| R26 | 330K | 330k | read from the schematic by eye | |
| R27 | 47K | 47k | read from the schematic by eye | |
| R28 | 47K | 47k | read from the schematic by eye | |
| R29 | 27K | 27k | read from the schematic by eye | |
| R30 | 100K | 100k | read from the schematic by eye | |
| R31 | 22K | 22k | read from the schematic by eye | |
| R32 | 330K | 330k | read from the schematic by eye | |
| R33 | 330K | 330k | read from the schematic by eye | |
| R34 | 1M | 1M | read from the schematic by eye | |
| R35 | 1M | 1M | label blurred (reads R33/R35); R35 by numbering; read from the schematic by eye | |
| R36 | 1M | 1M | read from the schematic by eye | |
| R37 | 1M | 1M | read from the schematic by eye | |
| R38 | 33K | 33k | read from the schematic by eye | |
| R39 | 10K | 10k | read from the schematic by eye | |
| R40 | 1K | 1k | read from the schematic by eye | |
| R41 | 33K | 33k | read from the schematic by eye | |
| R42 | 1K | 1k | read from the schematic by eye | |
| R43 | 33K | 33k | read from the schematic by eye | |
| R44 | 68K | 68k | read from the schematic by eye | |
| R45 | 10K | 10k | read from the schematic by eye | |
| R46 | 120K | 120k | read from the schematic by eye | |
| R47 | 180K | 180k | read from the schematic by eye | |
| R48 | 220K | 220k | read from the schematic by eye | |
| R49 | 56K | 56k | read from the schematic by eye | |
| R50 | 100K | 100k | read from the schematic by eye | |
| R51 | 18K | 18k | blurred; could be 10K; read from the schematic by eye | |
| R52 | 10K | 10k | read from the schematic by eye | |
| R53 | 10K | 10k | label printed like R33; R53 by numbering (R33 is 330K); read from the schematic by eye | |
| R54 | 12K | 12k | label printed like R34; R54 by numbering (R34 is 1M); read from the schematic by eye | |
| R55 | 220 | 220 | read from the schematic by eye | |
| R56 | 1M | 1M | label blurred, reads R56; read from the schematic by eye | |
| SW-R1 | 1M | 1M | switch board SW-1A; read from the schematic by eye | |
| SW-R2 | 100K | 100k | switch board SW-1A; read from the schematic by eye | |
| SW-R3 | 2.2M | 2.2M | switch board SW-1A; read from the schematic by eye | |
| SW-R4 | 1M | 1M | switch board SW-1A; read from the schematic by eye | |
| SW-R5 | 100K | 100k | switch board SW-1A; read from the schematic by eye | |
| SW-R6 | 100K | 100k | switch board SW-1A; read from the schematic by eye | |
| SW-R7 | 100K | 100k | switch board SW-1A; read from the schematic by eye | |
| SW-R8 | 10K | 10k | switch board SW-1A; read from the schematic by eye | |
| SW-R9 | 4.7K | 4.7k | switch board SW-1A; read from the schematic by eye | |
| SW-R10 | 10K | 10k | switch board SW-1A; read from the schematic by eye | |
| SW-R11 | 1K | 1k | switch board SW-1A; read from the schematic by eye | |
| SW-R12 | 2.2K | 2.2k | switch board SW-1A; read from the schematic by eye | |
| SW-R13 | 1M | 1M | switch board SW-1A; read from the schematic by eye | |
| SW-R14 | 6.8K | 6.8k | switch board SW-1A; read from the schematic by eye | |
| Capacitors 36 | ||||
| C1 | 0.00033uF | 330p | read from the schematic by eye | |
| C2 | 0.033uF | 33n | read from the schematic by eye | |
| C3 | 1uF | 1u | electrolytic, drawn 1/50; read from the schematic by eye | |
| C4 | 10uF | 10u | electrolytic, drawn 10/16; read from the schematic by eye | |
| C5 | 0.01uF | 10n | read from the schematic by eye | |
| C6 | 0.0022uF | 2.2n | read from the schematic by eye | |
| C7 | 0.0022uF | 2.2n | read from the schematic by eye | |
| C8 | 0.00033uF | 330p | read from the schematic by eye | |
| C9 | 0.1uF | 100n | read from the schematic by eye | |
| C10 | 0.01uF | 10n | read from the schematic by eye | |
| C11 | 0.047uF | 47n | read from the schematic by eye | |
| C12 | 0.033uF | 33n | read from the schematic by eye | |
| C13 | 4.7uF | 4.7u | electrolytic non-polar, drawn 4.7/25; read from the schematic by eye | |
| C14 | 1uF | 1u | electrolytic, drawn 1/50; read from the schematic by eye | |
| C15 | 0.022uF | 22n | read from the schematic by eye | |
| C16 | 0.0047uF | 4.7n | read from the schematic by eye | |
| C17 | 0.00047uF | 470p | read from the schematic by eye | |
| C18 | 1uF | 1u | electrolytic, drawn 1/50; read from the schematic by eye | |
| C19 | 0.047uF | 47n | read from the schematic by eye | |
| C20 | 0.01uF | 10n | read from the schematic by eye | |
| C21 | 0.001uF | 1n | read from the schematic by eye | |
| C22 | 1uF | 1u | electrolytic, drawn 1/50; read from the schematic by eye | |
| C23 | 1uF | 1u | electrolytic, drawn 1/50; label blurred, could be C25; read from the schematic by eye | |
| C24 | 0.01uF | 10n | read from the schematic by eye | |
| C26 | 100uF | 100u | electrolytic, drawn 100/6.3; read from the schematic by eye | |
| C27 | 220uF | 220u | electrolytic, drawn 220/16; read from the schematic by eye | |
| C29 | 1uF | 1u | electrolytic non-polar, drawn 1/50; read from the schematic by eye | |
| SW-C1 | 0.01uF | 10n | switch board SW-1A; read from the schematic by eye | |
| SW-C2 | 0.022uF | 22n | switch board SW-1A; read from the schematic by eye | |
| SW-C3 | 0.01uF | 10n | switch board SW-1A; read from the schematic by eye | |
| SW-C4 | 1uF | 1u | switch board SW-1A; electrolytic non-polar, drawn 1/50; read from the schematic by eye | |
| SW-C5 | 1uF | 1u | switch board SW-1A; electrolytic non-polar, drawn 1/50; read from the schematic by eye | |
| SW-C6 | 10uF | 10u | switch board SW-1A; electrolytic, drawn 10/16; read from the schematic by eye | |
| SW-C7 | 10uF | 10u | switch board SW-1A; electrolytic, drawn 10/16; read from the schematic by eye | |
| SW-C8 | 1uF | 1u | switch board SW-1A; electrolytic, drawn 1/50; read from the schematic by eye | |
| SW-C9 | 10uF | 10u | switch board SW-1A; electrolytic, drawn 10/16; read from the schematic by eye | |
| Diodes 12 | ||||
| D1 | 1S1588 | 1S1588 | read from the schematic by eye | |
| D2 | 1S1588 | 1S1588 | read from the schematic by eye | |
| D3 | 1S1588 | 1S1588 | read from the schematic by eye | |
| D4 | 1S1588 | 1S1588 | read from the schematic by eye | |
| D5 | 1S1588 | 1S1588 | read from the schematic by eye | |
| D6 | 1S1588 | 1S1588 | read from the schematic by eye | |
| D7 | 1S1588 | 1S1588 | read from the schematic by eye | |
| D8 | 1N34 | 1N34 | germanium; read from the schematic by eye | |
| D9 | 1N34 | 1N34 | germanium; read from the schematic by eye | |
| SW-D1 | 1S1588 | 1S1588 | switch board SW-1A; read from the schematic by eye | |
| SW-D2 | 1S1588 | 1S1588 | switch board SW-1A; read from the schematic by eye | |
| SW-D4 | MA522(0) | MA522(0) | switch board SW-1A; lambda diode; read from the schematic by eye | |
| Transistors 5 | ||||
| Q1 | 2SK105(F) | 2SK105(F) | JFET; read from the schematic by eye | |
| Q2 | 2SK105(F) | 2SK105(F) | JFET; read from the schematic by eye | |
| Q3 | 2SK105(F) | 2SK105(F) | JFET; read from the schematic by eye | |
| SW-Q1 | 2SC1815(Y) | 2SC1815(Y) | switch board SW-1A; read from the schematic by eye | |
| SW-Q2 | 2SC1815(Y) | 2SC1815(Y) | switch board SW-1A; read from the schematic by eye | |
| ICs 7 | ||||
| IC1 | TL022CP | TL022CP | read from the schematic by eye | |
| IC2 | JRC2902 | JRC2902 | quad comparator/op-amp; read from the schematic by eye | |
| IC3 | HD14013B | HD14013B | dual flip-flop (divider); read from the schematic by eye | |
| IC4 | HD14013B | HD14013B | dual flip-flop (divider); read from the schematic by eye | |
| IC5 | MC3403P | MC3403P | JIC3403P alternative; read from the schematic by eye | |
| IC6 | MC3403P | MC3403P | JIC3403P alternative; read from the schematic by eye | |
| SW-IC1 | MC14007UB | MC14007UB | switch board SW-1A; CMOS pair used as bypass switch; read from the schematic by eye | |
| Potentiometers 4 | ||||
| Normal | B100K | B100k | Potentiometer | VR2, drawn 100KB; read from the schematic by eye |
| Upper Octave | B100K | B100k | Potentiometer | VR1, drawn 100KB; read from the schematic by eye |
| 1 Oct Down | B100K | B100k | Potentiometer | VR3, drawn 100KB; read from the schematic by eye |
| 2 Oct Down | B100K | B100k | Potentiometer | VR4, drawn 100KB; read from the schematic by eye |
| Trimmers 2 | ||||
| AVR-1 | ? | ? | main-board trimmer in the octave-up stage; no value drawn; read from the schematic by eye | |
| SW-AVR-1 | B10K | 10k | switch board SW-1A; drawn 10KB; read from the schematic by eye | |
| LEDs 1 | ||||
| SW-D3 | LED | LED | switch board SW-1A; red indicator; read from the schematic by eye | |
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