Enclosure not stated · 5 knobs
Multiplex Echo Machine
- Category
- Delay
- Price
- $13.00in stock
From the vendor
Tape based PT2399 Delay
NO LONGER INCLUDES H11F1 OPTOCOUPLER IN EFFECT 8/13/20 (PCB price reduced)
Multiplex Echo
Schematic
The schematic is in the vendor's build document, page 11. Open the build document. No KiCad fragment has been drawn for this circuit yet.
Parts list 77 rows
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| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 32 | ||||
| R28 | 20k | 20k | ||
| R1 | 33R | 33 | ||
| R29 | 2k7 | 2.7k | ||
| R2 | 1k | 1k | ||
| R30 | 10k | 10k | ||
| R3 | 10k | 10k | ||
| R4 | 22k | 22k | ||
| R32 | 10k | 10k | ||
| R5 | 100k | 100k | ||
| R6 | 1M | 1M | ||
| R34 | 10k | 10k | ||
| R7 | 10k | 10k | ||
| R8 | 1M | 1M | ||
| R9 | 12k | 12k | ||
| R10 | 200k | 200k | ||
| R11 | 20k | 20k | ||
| R12 | 10k | 10k | ||
| R13 | 10k | 10k | ||
| R14 | 10k | 10k | ||
| R15 | 22k | 22k | ||
| R16 | 5k1 | 5.1k | ||
| R17 | 10k | 10k | ||
| R18 | 10k | 10k | ||
| R19 | 1k | 1k | ||
| R20 | 20k | 20k | ||
| R21 | 2k | 2k | ||
| R22 | 2k7 | 2.7k | ||
| R23 | 10k | 10k | ||
| R24 | 10k | 10k | ||
| R25 | 1k | 1k | ||
| R26 | 1k | 1k | ||
| R27 | 10k | 10k | ||
| Capacitors 31 | ||||
| C21 | 47uF | 47u | ||
| C22 | 1n | 1n | ||
| C23 | 100n | 100n | ||
| C24 | 10uF | 10u | ||
| C25 | 47n | 47n | ||
| C26 | 100n | 100n | ||
| C27 | 100n | 100n | ||
| C28 | 1n | 1n | ||
| C29 | 47n | 47n | ||
| C2 | 22n | 22n | ||
| C30 | 47uF | 47u | ||
| C3 | 47uF | 47u | ||
| C31 | 100n | 100n | ||
| C4 | 100uF | 100u | ||
| C32 | 100n | 100n | ||
| C5 | 47uF | 47u | ||
| C33 | 100n | 100n | ||
| C6 | 100pF | 100p | ||
| C34 | 100n | 100n | ||
| C7 | 47pF | 47p | ||
| C35 | 47n | 47n | ||
| C36 | 100uF | 100u | ||
| C37 | 100n | 100n | ||
| C11 | 4n7 | 4.7n | ||
| C12 | 22n | 22n | ||
| C13 | 1n | 1n | ||
| C14 | 4n7 | 4.7n | ||
| C16 | 10uF | 10u | ||
| C18 | 10n | 10n | ||
| C19 | 1n | 1n | ||
| C20 | 10n | 10n | ||
| Diodes 2 | ||||
| D1 | 1n4001 | 1N4001 | ||
| D3 | 1n4001 | 1N4001 | ||
| Transistors 1 | ||||
| Q1 | 2N3904 | 2N3904 | ||
| ICs 3 | ||||
| IC1 | TL072 | TL072 | ||
| IC2 | PT2399 | PT2399 | ||
| IC3 | PT2399 | PT2399 | ||
| Potentiometers 5 | ||||
| DELAY1 | 50KB | B50k | Potentiometer | |
| Tant DELAY2 | 50KB | B50k | Potentiometer | |
| FB | 50KB | B50k | Potentiometer | |
| MIX | 50KB | B50k | Potentiometer | |
| ADJ | 2K | 2k | Potentiometer | |
| Switches 2 | ||||
| SW1 | 4P3T | 4P3T | ||
| SW2 | SPST | SPST | ||
| LEDs 1 | ||||
| D2 | LED | LED | ||