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 Forum index » DIY Hardware and Software
Buchla Source of Uncertainty 266
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Snaper



Joined: Feb 28, 2014
Posts: 217
Location: Hungary
PostPosted: Mon Jan 19, 2015 6:45 am    Post subject: Reply with quote  Mark this post and the followings unread
A few questions :

- did somebody built this into Euro +-12V?
- did somebody built this with 2N3904s?
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amer1231



Joined: Nov 16, 2015
Posts: 1
Location: sweden
PostPosted: Tue Dec 01, 2015 7:18 pm    Post subject: Reply with quote  Mark this post and the followings unread
Hello

Are there any updates concerning this build? I've seen some people posting finished modules but I don't seem to find all the etch documents for all 4 boards, a component layout would be highly appreciated as well Smile

Godbless
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LFLab



Joined: Dec 17, 2009
Posts: 497
Location: Rosmalen, Netherlands
PostPosted: Wed Dec 09, 2015 2:20 pm    Post subject: Reply with quote  Mark this post and the followings unread
Look better Smile
Checked and they are still there, look for posts by vtl5c3
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AlanP



Joined: Mar 11, 2014
Posts: 746
Location: New Zealand
Audio files: 41
PostPosted: Sun Sep 18, 2016 9:59 pm    Post subject: Reply with quote  Mark this post and the followings unread
Snaper wrote:
A few questions :

- did somebody built this into Euro +-12V?


Sorry to necro an old thread, but I'm curious about this as well. Would the only changes needed be the resistors for the opamp providing 10V?

Snaper wrote:
- did somebody built this with 2N3904s?


The LED drivers, you can use pretty much any NPN (I suspect), but the Slew subcircuit on 4 may be a bit touchier about it's PNPs and FET.
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