Pre release SMT/Eurorack version PCBs of the classic Analog Synthesizer Sound Lab Mini-Synth by Ray WilsonDesigned by Electronic things... and stuff in France
Important note: The MFOS designs are now officialy supported by Synthcube. In agreement with Synthcube, I'm doing conversions to Eurorack/SMD format of several MFOS designs, including the SLMS. Thi...Read More…
The MFOS designs are now officialy supported by Synthcube.
In agreement with Synthcube, I'm doing conversions to Eurorack/SMD format of several MFOS designs, including the SLMS.
This process involves ordering PCB batches on each revision. Each batch usually contains 10 units. I only use a couple units from each revision to test and validate the modifications.
So, the MFOS SLMS PCBs sold here are the extra boards from the prototype batches:
They are not the final product.
They might require extra work to get them fully operational.
I offer full support in this process. Your feedback helps me improve the design.
This is the pre-release PCB of the forthcoming SMT/Eurorack version of the classic Sound Lab Mini-Synth, originally designed by Ray Wilson from Music From Outer Space.
The PCB can be mounted in a Eurorack format (3U) and is 33 or 34 HP wide.
Attention: this is a PCB only. No component, no front panel provided.
Version 1.4 includes some important improvements. The Sync function has been upgraded as per Ray's recomendations. The VCO2 now tracks 5 octaves.
Version 1.3 adds a Hi Freq correction trimmer. 5 octaves in tune on VCO1. VCO2 still has only 2 octaves in tune.
This conversion requires NO WIRING at all!
SLMS is composed of two VCO (Saw and Saw+PWM), one Envelope Generator (AR, re trig-able), one LFO, one VCF, one VCA and one Noise source. All the elements are internally routed. LFO and AR Envelope can modulate (On/Off) all the other elements.
The SMT conversion respects the original design. The circuit is 100% identical. Even the component references match, so that you can follow Ray's original documentation. The only differences are the SMT components instead of THT, a new PCB layout and a power supply interface for Eurorack compatibility (+12/-12 Volts).
You can check my own documentation with build instructions here.
I offer a 33HP 1.6mm Matte Black PCB Front panel. Fits perfectly.
You can also check Modular Audio Devices for a nice PCB Front Panel
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