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Adding bass to an M-100

m100contacts.jpg

I rewired the 2 black drawbars between the 2' and 1' so that they are now 16' and 5 1/3'.

reedswitches.jpg

Since the tone generator doesn't have all the frequencies needed, I added 12 reed switches and a tiny magnet under each of the first 12 keys. The open/closed signals are sent to my poorman's midi encoder...

encoder.jpg

By the way I had previously used this keytar for a MIDI pedalboard which I have now dismantled. The sound is then produced by an old Sound Canvas module (set to a sine wave patch) and the signal then goes into the phono input on the M-100's amp. (These notes are not affected by the expression pedal or the vibrato tab.)