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 Forum index » DIY Hardware and Software » MusicFromOuterSpace.com designs by Ray Wilson
keyboard scale
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aletropot



Joined: Jun 10, 2012
Posts: 33
Location: Amsterdam

PostPosted: Wed Nov 14, 2012 3:02 pm    Post subject: keyboard scale Reply with quote  Mark this post and the followings unread

Hi all,

Who can tell me how can I adjust the scale of the 1v buss keyboard?
Now Im getting 0v, 1.03v, 2.07v, etc...

Theres some resistor that I can change for a trimmer?
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JingleJoe



Joined: Nov 10, 2011
Posts: 878
Location: Lancashire, England
Audio files: 14

PostPosted: Fri Nov 30, 2012 10:50 am    Post subject: Reply with quote  Mark this post and the followings unread

I was sure there was a scaling pot built into that controller circuit ... you could allways add a DC amplifier on the end. If you want an octave select switch then a DC amplifier with selectable gains of 1, 2, 4, 8, etc should work to give you different octaves above the input voltage, heck you could go down octaves by making one with gains of 0.5, 0.25, 0.125, etc.
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 Forum index » DIY Hardware and Software » MusicFromOuterSpace.com designs by Ray Wilson
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