Enclosure not stated · 2 knobs
Korg OCT-1
Based on the Korg OCT-1
- Category
- Vibrato / Chorus· Vibrato and Pitch Shift
- Controls
- Effect Level · Direct Level
- 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 78 rows
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Check before you build · 2 values the reader of this schematic was not sure of
- D1: drawn 'SRIK 2', read as SR1K-2
- Polarity: push switch type read as SPDT from its two contacts
| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 44 | ||||
| R1 | 1.2K | 1.2k | read from the schematic by eye | |
| R2 | 10K | 10k | read from the schematic by eye | |
| R3 | 47K | 47k | read from the schematic by eye | |
| R4 | 10K | 10k | read from the schematic by eye | |
| R5 | 27K | 27k | read from the schematic by eye | |
| R6 | 470 | 470 | read from the schematic by eye | |
| R7 | 470 | 470 | read from the schematic by eye | |
| R8 | 10K | 10k | read from the schematic by eye | |
| R9 | 47K | 47k | read from the schematic by eye | |
| R10 | 100K | 100k | read from the schematic by eye | |
| R11 | 470K | 470k | read from the schematic by eye | |
| R12 | 5.1K | 5.1k | read from the schematic by eye | |
| R13 | 100K | 100k | read from the schematic by eye | |
| R14 | 47K | 47k | read from the schematic by eye | |
| R15 | 10K | 10k | read from the schematic by eye | |
| R16 | 10K | 10k | read from the schematic by eye | |
| R17 | 47K | 47k | read from the schematic by eye | |
| R18 | 1M | 1M | read from the schematic by eye | |
| R19 | 1K | 1k | read from the schematic by eye | |
| R20 | 10K | 10k | read from the schematic by eye | |
| R21 | 100K | 100k | read from the schematic by eye | |
| R22 | 470 | 470 | read from the schematic by eye | |
| R23 | 1M | 1M | read from the schematic by eye | |
| R24 | 470K | 470k | read from the schematic by eye | |
| R25 | 91K | 91k | read from the schematic by eye | |
| R26 | 22K | 22k | read from the schematic by eye | |
| R27 | 100K | 100k | read from the schematic by eye | |
| R28 | 22K | 22k | read from the schematic by eye | |
| R29 | 100K | 100k | read from the schematic by eye | |
| R30 | 220K | 220k | read from the schematic by eye | |
| R31 | 220K | 220k | read from the schematic by eye | |
| R32 | 100K | 100k | read from the schematic by eye | |
| R33 | 1M | 1M | read from the schematic by eye | |
| R34 | 3.3K | 3.3k | read from the schematic by eye | |
| R35 | 220K | 220k | read from the schematic by eye | |
| R36 | 1M | 1M | read from the schematic by eye | |
| R37 | 1.2K | 1.2k | read from the schematic by eye | |
| R38 | 330K | 330k | read from the schematic by eye | |
| R39 | 330K | 330k | read from the schematic by eye | |
| R40 | 470 | 470 | read from the schematic by eye | |
| R41 | 100K | 100k | read from the schematic by eye | |
| R42 | 100K | 100k | read from the schematic by eye | |
| R43 | 22M | 22M | read from the schematic by eye | |
| R44 | 47K | 47k | read from the schematic by eye | |
| Capacitors 18 | ||||
| C1 | 100uF | 100u | electrolytic, 16V; read from the schematic by eye | |
| C2 | 0.0033uF | 3.3n | read from the schematic by eye | |
| C4 | 0.022uF | 22n | read from the schematic by eye | |
| C5 | 0.022uF | 22n | read from the schematic by eye | |
| C6 | 100uF | 100u | electrolytic, 16V; read from the schematic by eye | |
| C7 | 0.047uF | 47n | read from the schematic by eye | |
| C8 | 0.022uF | 22n | read from the schematic by eye | |
| C9 | 10uF | 10u | electrolytic, 16V; read from the schematic by eye | |
| C10 | 1uF | 1u | electrolytic, 50V, MS (low-leakage) type; read from the schematic by eye | |
| C11 | 0.022uF | 22n | read from the schematic by eye | |
| C12 | 0.0033uF | 3.3n | read from the schematic by eye | |
| C13 | 0.0015uF | 1.5n | read from the schematic by eye | |
| C14 | 0.0022uF | 2.2n | read from the schematic by eye | |
| C15 | 220pF | 220p | drawn 220P; read from the schematic by eye | |
| C16 | 10uF | 10u | electrolytic, 16V; read from the schematic by eye | |
| C17 | 1uF | 1u | electrolytic, 50V, MS (low-leakage) type; read from the schematic by eye | |
| C18 | 0.01uF | 10n | read from the schematic by eye | |
| C31 | 1uF | 1u | electrolytic, 50V; read from the schematic by eye | |
| Diodes 5 | ||||
| D1 | SR1K-2 | SR1K-2 | drawn 'SRIK 2'; polarity protection diode; read from the schematic by eye | |
| D2 | RD5.6EB1 | RD5.6EB1 | 5.6V zener; read from the schematic by eye | |
| D3 | 1S1555 | 1S1555 | no part number at the symbol; the sheet note says diodes without designation are 1S1555; read from the schematic by eye | |
| D4 | 1S1555 | 1S1555 | no part number at the symbol; the sheet note says diodes without designation are 1S1555; read from the schematic by eye | |
| D5 | 1S1555 | 1S1555 | no part number at the symbol; the sheet note says diodes without designation are 1S1555; read from the schematic by eye | |
| ICs 6 | ||||
| IC1 | 4013 | 4013 | dual D flip-flop (sections e); read from the schematic by eye | |
| IC2 | NJM13600 | NJM13600 | dual OTA (sections f), selected; read from the schematic by eye | |
| IC3 | TL062 | TL062 | dual op amp (sections c), selected; read from the schematic by eye | |
| IC4 | 4558 | 4558 | dual op amp (sections a); read from the schematic by eye | |
| IC5 | 4558 | 4558 | dual op amp (sections d); read from the schematic by eye | |
| IC6 | TL062 | TL062 | dual op amp (sections b), selected; read from the schematic by eye | |
| Potentiometers 2 | ||||
| Effect Level | B100K | B100k | Potentiometer | drawn 100KB; read from the schematic by eye |
| Direct Level | B100K | B100k | Potentiometer | drawn 100KB; read from the schematic by eye |
| Trimmers 1 | ||||
| VR1 | 100K | 100k | bias trimmer at IC2; read from the schematic by eye | |
| Switches 1 | ||||
| Polarity | SPDT | SPDT | push switch selecting A/B; read from the schematic by eye | |
| LEDs 1 | ||||
| ×1 | PR5534S | PR5534S | no designator; LED indicator; read from the schematic by eye | |