Enclosure not stated · 1 knob
MS-20 Style Filters
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- Other· Filters Wahs and VCFs
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- Filters Wahs and VCFs
Schematic
The schematic is the archived file. Open it at Experimentalists Anonymous, or browse its folder.
Parts list 16 rows
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| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 8 | ||||
| ×3 | 47k | 47k | A-101-1: LP, HP and BP input resistors; read from the schematic by eye | |
| ×1 | 10k | 10k | A-101-1: feedback; read from the schematic by eye | |
| ×3 | 1k | 1k | A-101-1: two shunts and the BP feedback (Doepfer uses 100 Ohm here); read from the schematic by eye | |
| ×2 | 2k2 | 2.2k | A-106/MS20: LP and HP inputs; read from the schematic by eye | |
| ×2 | 47 | 47 | A-106/MS20: input attenuator shunts; read from the schematic by eye | |
| ×2 | ? | ? | A-106/MS20: 'R', realized by OTAs in the MS20; read from the schematic by eye | |
| ×1 | 4k7 | 4.7k | A-106/MS20: gain set; read from the schematic by eye | |
| ×1 | 330k | 330k | A-106/MS20: feedback; read from the schematic by eye | |
| Capacitors 3 | ||||
| ×2 | 4n7 | 4.7n | A-101-1; read from the schematic by eye | |
| ×1 | 3n3 | 3.3n | A-106/MS20; read from the schematic by eye | |
| ×1 | 1n | 1n | A-106/MS20; read from the schematic by eye | |
| Diodes 1 | ||||
| ×2 | Diode | DIODE | A-106/MS20: anti-parallel limiters; no part number given; read from the schematic by eye | |
| ICs 2 | ||||
| ×1 | ? | ? | A-101-1: op amp, no part number given; read from the schematic by eye | |
| ×1 | ? | ? | A-106/MS20: op amp, no part number given; read from the schematic by eye | |
| Opto 1 | ||||
| ×3 | Vactrol | VACTROL | A-101-1: two frequency vactrols and one resonance vactrol; read from the schematic by eye | |
| Potentiometers 1 | ||||
| Q Control | 10k | 10k | Potentiometer | A-106/MS20; read from the schematic by eye |