Thursday, 27 March 2025

My 5U sequencer setup

 Currently I have five sequencers in my large format 5U setup

1. Moog 960
2. Two q960 synthesizer dot com  sequencers
3. Klee
4. MFOS sequencer.

The MFOS is difficult to clock without a mod.
These modifications often involve using a simple op-amp circuit (like a TL072) and a CD40106 inverter to boost and shape the incoming clock signal.
In some cases two CD40106 hex inverters connected in series may be necessary in order to give the gates and triggers being fed to the MFOS gear CMOS characteristics.
The op-amp acts as a buffer and gain stage to amplify the incoming clock signal. The CD40106 then inverts the signal and shapes it into a clean square wave that the sequencer can understand.


Till I get around to doing this I've found that the output of the MFOS sequencer drives the others quite well. Here is the basic patch.



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