1590B · 4 knobs
Multiplex Jr. Delay
Based on the Maestro Echoplex EP-3 Preamp· 6 other boards clone it
- Category
- Delay
- Price
- $10.00in stock
From the vendor
EP-3 Mode of the Multiplex with onboard modulation.
Multiplex
Schematic
The schematic is in the vendor's build document, page 5. Open the build document. No KiCad fragment has been drawn for this circuit yet.
Parts list 62 rows
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| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 28 | ||||
| R1 | 33R | 33 | ||
| R2 | 1k | 1k | ||
| R3 | 10k | 10k | ||
| R4 | 22k | 22k | ||
| R5 | 100k | 100k | ||
| R6 | 1M | 1M | ||
| R7 | 10k | 10k | ||
| R8 | 1M | 1M | ||
| R9 | 12k | 12k | ||
| R10 | 200k | 200k | ||
| R11 | 20k | 20k | ||
| R12 | 10k | 10k | ||
| R13 | 10k | 10k | ||
| R14 | 47k | 47k | ||
| R15 | 100k | 100k | ||
| R16 | 5k1 | 5.1k | ||
| R17 | 10k | 10k | ||
| R18 | 2.2M | 2.2M | ||
| R19 | 1k | 1k | ||
| R20 | 180k | 180k | ||
| R21 | 100k | 100k | ||
| R22 | 1k | 1k | ||
| R23 | 20k | 20k | ||
| R24 | 2k | 2k | ||
| R25 | 2k7 | 2.7k | ||
| R26 | 10k | 10k | ||
| R27 | 100k | 100k | ||
| R28 | 10k | 10k | ||
| Capacitors 24 | ||||
| C2 | 22n | 22n | ||
| C3 | 47uF | 47u | ||
| C4 | 100uF | 100u | ||
| C5 | 47uF | 47u | ||
| C6 | 10uF | 10u | ||
| C7 | 100pF | 100p | ||
| C8 | 47pF | 47p | ||
| C9 | 1uF | 1u | ||
| C10 | 1uF | 1u | ||
| C11 | 4n7 | 4.7n | ||
| C12 | 22n | 22n | ||
| C13 | 1n | 1n | ||
| C14 | 1uF | 1u | ||
| C15 | 1n | 1n | ||
| C16 | 10n | 10n | ||
| C17 | 10n | 10n | ||
| C18 | 47uF | 47u | ||
| C19 | 100n | 100n | ||
| C20 | 10uF | 10u | ||
| C21 | 47n | 47n | ||
| C22 | 100n | 100n | ||
| C23 | 100n | 100n | ||
| C24 | 47n | 47n | ||
| C25 | 100n | 100n | ||
| Diodes 1 | ||||
| D1 | 1n4001 | 1N4001 | ||
| ICs 3 | ||||
| IC1 | TL072 | TL072 | ||
| IC2 | TL072 | TL072 | ||
| IC3 | PT2399 | PT2399 | ||
| Potentiometers 4 | ||||
| TIME | 50KB | B50k | Potentiometer | |
| FB | 50KB | B50k | Potentiometer | |
| MIX | 50KB | B50k | Potentiometer | |
| SPEED | 100KB | B100k | Potentiometer | |
| Switches 1 | ||||
| SW1 | SPST | SPST | ||
| LEDs 1 | ||||
| D2 | LED | LED | ||
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