[sdiy] Power Amplifier PC Board layed out

[The Peasant]

> Made me wonder though - are there /any/ new transistors being 
> made in TO-3 envelopes? 
> 
There are many types still in production, for example ON Semiconductor has a 
wide range available. I used their devices when I built a power amplifier 
recently:

http://www.electronicpeasant.com/projects/amplify/amplify.html

Take care,
Doug
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The Electronic Peasant

www.electronicpeasant.com