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 View Post: DIY Workshop » The SOHA - A New Hybrid Amplifier
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ericj


HeadWize Fanatic

Joined: Aug. 1, 2005
Locale: Orem, UT
Total Posts: 467

 posted 10-25-2005 12:19 PM CST (US)   View Profile for ericj   Send PM to ericj   |  Edit Message  |  Quote Message in Reply
Turns out it's 12AU6 that i have a dozen of.

12au7 certainly isn't an expensive tube, but which tubes can easily be substituted?

Other 12v heater high-mu double triodes i have are 7025, 7058, and some russian tube - the designation of which escapes me - which i was told was equivalent to iirc an ecc82? I'll have to dig it out.

http://www.nj7p.org/Tube1.php?tube=7025
http://tdsl.duncanamps.com/show.php?des=...

I want to build one of these but I'm not in a hurry as I've decided to start construction on Bender's 6n1p OTL amp as soon as i have my M3 enclosed, and perhaps my multihybrid rebuilt.

[Edited by ericj on 10-25-2005 at 12:19 PM.]

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