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Old 7th April 2005, 11:51 AM   #1
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Default 35watts el34 amp schematic search ?

For my next project i want to built a duet el34 power amp. Is there any good schematics for ?
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Old 7th April 2005, 01:49 PM   #2
SY is offline SY  United States
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There are a LOT of good amp schematics in that power range. You might think about adapting the Eico HF87, a triode input/driver circuit. The Joe Curcio Stereo 70 mod is an excellent design that's more modern. And f you're really ambitious, you could try to clone a Marantz 9.
“Instead of Rational Law, objective truths perceptible to any who will undergo the necessary intellectual discipline, Knowledge will degenerate into a riot of subjective visions. . ." - Auden
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Old 7th April 2005, 11:48 PM   #3
anatech is offline anatech  Canada
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Sy has hit this right on the nose. Couldn't agree more. BTW, your output iron is critical to a good amp.

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Old 9th April 2005, 09:17 PM   #4
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Hi thzere.....try www.triodeel.com/schindex.htm steve bench's pages.
The Mullard 20W design with EL34's can be stretched to 30W is very quiet but with loads of nfb makes the sound dull.

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