[sdiy] ETI vocoder input amps

[Hallvard Tangeraas]

A project of mine which has been waiting to get completed for many
years is the ETI/Powertran vocoder.

I've got all the separate parts done except the input amplifiers. Quite
ironic that such small and simple circuits are holding me back, but I
can't for anything in the world get them to work. Then again I'm no
electronics engineer either, just a guy who's handy with a soldering
iron and likes buidling stuff..

Has anyone been able to complete this vocoder and can help out with the
two input amps? Alternatively, totally new input amp circuits would
have to be done to get the project completed.


Hallvard
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