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 Forum index » DIY Hardware and Software
Need help developing/etching vocoder PCBs
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electrospeaker



Joined: Jun 30, 2006
Posts: 16

PostPosted: Wed Feb 19, 2014 3:56 pm    Post subject: Need help developing/etching vocoder PCBs Reply with quote  Mark this post and the followings unread

I have this 14-channel analog vocoder from Powertran (which was also printed in the UK-based ETI magazine as well as the German Elrad magazine; way back in 1980/81 I believe as DIY projects) which is half done but I need to redo some circuit boards in order to complete it.
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ETI/Powertran vocoder -schematics & instructions
ETI/Powertran vocoder demonstration -Youtube
Matrixsynth: ETI/Powertran analog vocoder
Jinx~26: ETI/Powertran vocoder


As I don't have the gear needed to do this properly and my past experience doing my own PCBs is poor I'm wondering if someone here can help me out? We're talking a few (around 4-6 as far as I recall) small single-sided boards. I have the PCB layouts from the magazine article which I will scan and retouch for best possible quality when UV-lighting over a photosensitive PCB and finally etched.
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