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In Reply to: Of all the 12A_7 series the 12AU7 is the LEAST worthy - as a design!! posted by Timbo in Oz on June 10, 2012 at 20:55:22:
I have built a couple of amps with that tube in the schematic and say to myself "Well, good schemo but 12AU7 will have to go, substituted by 6SN7"
The Mind has No Firewall~ U.S. Army War College.
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- RE: Of all the 12A_7 series the 12AU7 is the LEAST worthy - as a design!! - Cleantimestream 06:09:39 06/23/12 (0)