EFM Synth buildup

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I found a bunch of PCBs for a modular synth. But no documentation. Let's get started with some tech archeology.

Tillo

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Identifying the PCBs
01/29/2020 at 13:40 • 0 comments
There are nine 10x7,5 cm and two 7,5x5cm PCBs
1. WAV1B
2. VC RADSR
3. RMP1B
4. VCF8E
5. EGLFO1A
6. VCA6B
7. VCA5B
8. LFO5A
9. 3544 - VCO
1. 4627 - VCF
2. 46212 - VCF
Allready found out, that they were made by EFM (ele4music) and designed by a guy named Tom Gamble.

Also found
http://www.modular.fonik.de/Page37.html
with tons of schematics, BOMs and layouts of those modules. Some things look a bit shady though, BOM has three pots, while the front panel has four, as an example.