| Looking for a few extra watts for your Pis? [message #68576] |
Sat, 16 July 2011 15:15  |
Bill Epstein
Messages: 1088
Registered: May 2009
Location: Smoky Mts. USA
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Illuminati (2nd Degree) |
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I'm sure I've posted before about George Andersons Tubelab Simple SE but I re-tubed it today and it's just killer! No, it was killer, now it's from another Planet. And a 12 year old could build it. Like me.
When first built last year I tried some pre-Sovtek Svetlana 6550s and thought they were kinda lean and nasty. Went with my cheap-ass fav E-H "fat-bottle" 6CA7s. One of the E-Hs fell and was damaged (12 years old,right?) so I tried the 6550s again. What a difference a buncha time on the trannies and other parts made. Or my ears aging. Or whatever.
Anyway, with an Allied power transformer and Transcendar OPTs you can buikld it for about $400 and have 5 to 7 single-ended pentode-run-in-triode watts. Or go with Ultralinear, more watts.
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