Enclosure not stated · 3 knobs
Mad Professor Deep Blue Delay
Based on the Mad Professor Deep Blue Delay· 12 other boards clone it
- Category
- Delay
- Price
- see vendor
- Also as
- Vero layout · from Revolution Deux
- Tags
- freestompboxes.org trace
From the vendor
The Mad Professor Deep Blue Delay, reverse engineered and drawn by madbeanpedals as the Sea Urchin. The post says there is nothing new in it: a standard PT2399 digital delay based on the Rebote 2.5, with a TL072 input buffer and output mixer, but it sounds very good.
Schematic
The schematic is in the post. Open it at Revolution Deux. No KiCad fragment has been drawn for this circuit yet.
Parts list 49 rows
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Check before you build · 1 value the reader of this schematic was not sure of
- Nocentelli's verified vero layout (17 March 2012) uses some values that differ from the madbean schematic (for example a 390k where the schematic's R3 is 360k, and a 100k); the rows follow the schematic.
| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 20 | ||||
| R1 | 1M | 1M | read from the schematic by eye | |
| R2 | 180K | 180k | read from the schematic by eye | |
| R3 | 360K | 360k | read from the schematic by eye | |
| R4 | 22K | 22k | read from the schematic by eye | |
| R5 | 12K | 12k | read from the schematic by eye | |
| R6 | 1K | 1k | read from the schematic by eye | |
| R7 | 33 | 33 | read from the schematic by eye | |
| R8 | 10K | 10k | read from the schematic by eye | |
| R9 | 10K | 10k | read from the schematic by eye | |
| R10 | 1K | 1k | read from the schematic by eye | |
| R11 | 20K | 20k | 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 | 10K | 10k | read from the schematic by eye | |
| R15 | 5.1K | 5.1k | read from the schematic by eye | |
| R16 | 2K | 2k | read from the schematic by eye | |
| R17 | 20K | 20k | read from the schematic by eye | |
| R18 | 2.7K | 2.7k | read from the schematic by eye | |
| R20 | 10K | 10k | read from the schematic by eye | |
| R21 | 10K | 10k | read from the schematic by eye | |
| Capacitors 22 | ||||
| C1 | 22n | 22n | read from the schematic by eye | |
| C2 | 100u | 100u | electrolytic; read from the schematic by eye | |
| C3 | 1u | 1u | electrolytic; read from the schematic by eye | |
| C4 | 1u | 1u | electrolytic; read from the schematic by eye | |
| C5 | 1u | 1u | electrolytic; read from the schematic by eye | |
| C6 | 4.7n | 4.7n | read from the schematic by eye | |
| C7 | 2.2n | 2.2n | read from the schematic by eye | |
| C8 | 2.2n | 2.2n | read from the schematic by eye | |
| C9 | 100n | 100n | read from the schematic by eye | |
| C10 | 100n | 100n | read from the schematic by eye | |
| C11 | 15n | 15n | read from the schematic by eye | |
| C12 | 10n | 10n | read from the schematic by eye | |
| C13 | 22n | 22n | read from the schematic by eye | |
| C14 | 1u | 1u | electrolytic; read from the schematic by eye | |
| C15 | 47n | 47n | read from the schematic by eye | |
| C16 | 47p | 47p | read from the schematic by eye | |
| C17 | 100n | 100n | read from the schematic by eye | |
| C18 | 100n | 100n | read from the schematic by eye | |
| C19 | 47u | 47u | electrolytic; read from the schematic by eye | |
| C20 | 100p | 100p | read from the schematic by eye | |
| C21 | 47u | 47u | electrolytic; read from the schematic by eye | |
| C22 | 47u | 47u | electrolytic; read from the schematic by eye | |
| Diodes 1 | ||||
| D1 | 1N4001 | 1N4001 | read from the schematic by eye | |
| ICs 3 | ||||
| IC1 | TL072 | TL072 | read from the schematic by eye | |
| IC2 | PT2399 | PT2399 | echo processor; read from the schematic by eye | |
| REG | 7805 | 7805 | 5V regulator; read from the schematic by eye | |
| Potentiometers 3 | ||||
| Delay | B50K | B50k | Potentiometer | read from the schematic by eye |
| Feedback | B50K | B50k | Potentiometer | drawn FDBK; read from the schematic by eye |
| Mix | B50K | B50k | Potentiometer | read from the schematic by eye |
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