125B · 2 knobs
From the vendor
Clone board of the Spaceman Spacerocket II, but with a DEFX twist! If you really enjoy the original Spacerocket, fear not, we've rolled it into this baby as well. Besides the 3 position gain switch is another switch that allows you to toggle between the original, and latest version. While the difference is subtle, it can be heard in the decay. The original has a rougher, shorter, fuzzier decay, while the later circuit has a smoother, longer, cleaner decay. Still sports the same subtle "high shaving" tone control, and rich fuzz in all gain positions.
Schematic
The schematic is in the vendor's build document, page 4. Open the build document. No KiCad fragment has been drawn for this circuit yet.
Parts list 42 rows
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ocr read from an image · sch paired from the schematic · fixed corrected by hand. Check marked values against the build document.
| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 17 | ||||
| R1 | 560Rsch | 560 | ||
| R2 | 4k65sch | 4.65k | ||
| R3 | 3k9sch | 3.9k | ||
| R4 | 1Msch | 1M | ||
| R5 | 4M7sch | 4.7M | ||
| R6 | 20ksch | 20k | ||
| R7 | 390rsch | 390 | ||
| R8 | 10ksch | 10k | ||
| R9 | 20ksch | 20k | ||
| R10 | 100rsch | 100 | ||
| R11 | 12rsch | 12 | ||
| R12 | 4m7sch | 4.7M | ||
| R13 | 33ksch | 33k | ||
| R14 | 390rsch | 390 | ||
| R15 | 4k7sch | 4.7k | ||
| R16 | 470ksch | 470k | ||
| R17 | 1Msch | 1M | ||
| Capacitors 10 | ||||
| C1 | 100usch | 100u | ||
| C2 | 10nsch | 10n | ||
| C3 | 100psch | 100p | ||
| C4 | 220nsch | 220n | ||
| C5 | 680nsch | 680n | ||
| C6 | 470nsch | 470n | ||
| C7 | 220nsch | 220n | ||
| C8 | 27nsch | 27n | ||
| C9 | 4n7sch | 4.7n | ||
| C10 | 100nsch | 100n | ||
| Diodes 3 | ||||
| D1 | 1N4148sch | 1N4148 | ||
| D4 | 1n4148sch | 1N4148 | ||
| D5 | 1n4001sch | 1N4001 | ||
| Transistors 7 | ||||
| Q5 | BS170sch | BS170 | ||
| Q6 | 2N3904sch | 2N3904 | ||
| Q7 | BS250sch | BS250 | ||
| Q1 | 2N5088ocr | 2N5088 | ||
| Q2 | 2N3906ocr | 2N3906 | ||
| Q3 | 2N3904ocr | 2N3904 | ||
| Q4 | MPSA18ocr | MPSA18 | ||
| Potentiometers 2 | ||||
| Tone | B25Ksch | B25k | Potentiometer | |
| Vol | A100Ksch | A100k | Potentiometer | |
| Switches 3 | ||||
| Bypass | DPDTocr | DPDT | ||
| SW2 | SPDT ON-OFF-ONocr | SPDT ON-OFF-ON | ||
| SW3 | DPDT ON-ONocr | DPDT ON-ON | ||