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 Forum index » DIY Hardware and Software » Synthasystem
Duophonic Keyboard Electronics
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dingebre



Joined: Aug 10, 2008
Posts: 260
Location: Salt Lake City, UT USA

PostPosted: Mon Mar 19, 2012 4:10 pm    Post subject: Duophonic Keyboard Electronics Reply with quote  Mark this post and the followings unread

Hi,

Nyle and I successfully tested and verified the Duphonic Keyboard electronics. To that end, I made some minor changes/additions to the layout and have ordered a small run of production PCBs. I don't have a panel laid out yet as I'm still considering what trimmers I want on the panel as opposed to leaving on the PCB. The trimmers all have the option to be on the PCB or remotely mounted.

I also successfully tested the Doepfer MTC64 interface driving a couple of different solid state switches as well as some very small reed relays. The implication is using these "relay" PCBs to emulate the buss from an old style Pratt Read keybed, you can use the MTC64 as a MIDI interface so you can drive the Steiner Duophonic electronics from any MIDI keyboard. The downside right now is it's limited to a standard 5 octave (61 note) keyboard, but it could be expanded to accommodate a larger keyboard.

So, next will be more work on the Microcon...

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David M. Ingebretsen, M.S., M.E.
Collision Forensics & Enginering, Inc.

dingebre@3dphysics.net
http://www.xmission.com/~dingebre/Synthasystem.html
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