Enclosure not stated · 5 knobs
Astro Flanger Filter
The original Dead Astronaut Astro Flanger Filter· 1 other board or layout builds it
- Category
- EQ / Filter
- Price
- see vendor
From the vendor
ASTRO FLANGER FILTER PCB ASTRO FLANGER FILTER PCB At last a flanger with a MIX control and an LFO depth. with 3 way lfo settings the speed can go from normal/fast, to uber slow, and in the centre setting turns the LFO off so it can be used as a tunable manual set filter......lots of flanger fun. DISCONTINUED. as of 09/03/26.
Schematic
The schematic is in the vendor's build document. Open the build document. No KiCad fragment has been drawn for this circuit yet.
Parts list 68 rows
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| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 35 | ||||
| R1 | 100k | 100k | ||
| R2 | 1M | 1M | ||
| R3 | 68k | 68k | ||
| R4 | 82k | 82k | ||
| R5 | 100r | 100 | ||
| R6 | 47k | 47k | ||
| R7 | 47k | 47k | ||
| R8 | 47k | 47k | ||
| R9 | 82k | 82k | ||
| R10 | 4.7M | 4.7M | note i used 10M for ultra slow sweep. | |
| R11 | 1k | 1k | ||
| R12 | 1k | 1k | ||
| R13 | 470k | 470k | ||
| R14 | 100k | 100k | ||
| R15 | 1k | 1k | ||
| R16 | 5.6k | 5.6k | ||
| R17 | 10k | 10k | ||
| R18 | 68k | 68k | ||
| R19 | 10k | 10k | ||
| R21 | 10k | 10k | ||
| R22 | 100k | 100k | ||
| R23 | 10k | 10k | ||
| R24 | 470k | 470k | ||
| R25 | 68k | 68k | ||
| R27 | 10k | 10k | ||
| R28 | 12k | 12k | ||
| R29 | 47r | 47 | ||
| R30 | 4.7k | 4.7k | ||
| R31 | 330r | 330 | ||
| R32 | 47k | 47k | ||
| R33 | 10k | 10k | ||
| R34 | 4.7k | 4.7k | ||
| R35 | 220k | 220k | ||
| R36 | 1M | 1M | ||
| R38 | 5.6k | 5.6k | ||
| Capacitors 13 | ||||
| C1 | 10uf | 10u | ||
| C2 | 10n | 10n | ||
| C3 | 470p | 470p | ||
| C4 | 1n | 1n | ||
| C5 | 4.7n | 4.7n | ||
| C6 | 100n | 100n | ||
| C7 | 100n | 100n | ||
| C8 | 47p | 47p | ||
| C9 | 1uf | 1u | ||
| C10 | 100n | 100n | ||
| C11 | 100uf | 100u | ||
| C12 | 22p | 22p | ||
| C13 | 10uf | 10u | ||
| Diodes 3 | ||||
| D1 | 1N914 | 1N914 | ||
| D2 | 1N5817 | 1N5817 | ||
| D3 | 1n5817 | 1N5817 | ||
| Transistors 2 | ||||
| Q1 | 2N3904 | 2N3904 | ||
| Q2 | 2N3906 | 2N3906 | ||
| ICs 6 | ||||
| IC1 | TL072 | TL072 | ||
| IC2 | LM311N | LM311N | ||
| IC3 | 4013N | 4013N | ||
| IC4 | 4049N | 4049N | ||
| IC5 | TL062 | TL062 | ||
| IC6 | MN3007 | MN3007 | ||
| Potentiometers 5 | ||||
| Speed | B250k | B250k | Potentiometer | |
| Time | B100k | B100k | Potentiometer | |
| Volume | B50k | B50k | Potentiometer | |
| Lfodepth | A1M | A1M | Potentiometer | |
| MIX | B50k | B50k | Potentiometer | |
| Switches 2 | ||||
| SW2 | SPDT | SPDT | Switch | SPEED ON/OFF/ON SPDT 3WAY TOGGLE SWITCH |
| SW1 | SPDT | SPDT | Switch | FAT/THIN ON/ON SPDT 2WAY TOGGLE SWITCH |
| LEDs 2 | ||||
| D1PULSE-LED | LED3MM | LED3MM | LED | OR 5MM PULSE; PULSE-LED |
| D3/OFFLED | LED3MM | LED3MM | LED | 5MM; /OFFLED |
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