Checking out the videos from Musikmesse I came across the pretty awesome looking Korg Monotron. I decided to knock up a quick version as I am currently working on MS-20 style filters and thought this would be a nice test platform.
I had to guess pretty much how it works as I don’t have much to go on, not even the vco shape (sounds like a saw to me). Obviously won’t sound nearly as good as the real thing but might give some idea of the kinds of sounds it could produce.
Click to play:
I was totally amazed today to get an email from none-other than the designer of the Monotron himself. He congratulated me on the implementation and gave me a few hints:
– filter doesn’t sound nearly as aggressive at maximum peak.
– LFO is slower at minimum (about 15s period) and faster at maximum (>1kHz).
– monotron resets the LFO at the moment the ribbon is touched, so it
works like a simple cycling EG at slow LFO rates.
– monotron has fixed intensity keytrack. cutoff tracks ribbon position
by factor of two. only tracks ribbon not pitch knob.
I made the adjustments above and also added keyboard control for the ribbon.
It doesn’t sound particularly good at extreme modulation, something that is very hard to do digitally and where analogs really shine. I’ll have to come back to this one when I get my hands on a real Monotron and try getting a bit closer to that beautiful analog squelching.
Special thanks to Tatsuya Takahashi and Korg, can’t wait for the real thing!