Posted by TubeCraft [ 207.106.24.98 ] on January 11, 2005 at 09:11:32:
In Reply to: Holy Toledo! posted by Poindexter on January 10, 2005 at 22:25:10:
Yeah, that's it - except that as a single-ended line amp you would AC ground the plate of the "upper" tube (say a 10uf cap to ground) and just take the output from the plate of the "bottom" tube.
Z out and gain is moderate (depending on the tube) but the circuit is really easy to drive and really wide-band. People rave about the Rosenblit version. (All 12AU7s, I think).
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