M-121 Highpass modification V2 UPDATED !

Repair or Modifications of the Roland System 100M
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Location: Kuhmoinen, Finland

Postby virtalahde » Sat Feb 16, 2008 9:15 am

Hey, that one actually sounds good. 8) Maybe I should, too..

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Location: London

Postby ryk » Sat Feb 16, 2008 11:34 am


That sounds great.!

Any one for 24db Band-pass ?
In theory it is also possible.

PS Ithink the gain is a little higher with these values than it should be [more resonance] , but maybe that is a good thing.


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Joined: Mon Mar 09, 2015 7:34 am

Re: M-121 Highpass modification V2 UPDATED !

Postby willholt627 » Mon Mar 09, 2015 11:15 am

if you've ever run a MIDI to CV output into a multiple and then on to a few oscillators you'll notice a voltage drop with each oscillator modulation source you plug in to. ??
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