In Reply to: humbug! posted by Joel Tunnah on January 24, 2006 at 10:20:47:
The original AN M-7 preamp uses a line stage with the 6072, a close cousin to the 12ax7. I don't think you'd have any trouble dropping a 12ax7 into this design w/o modification. I would also add that many vintage (highly desired) preamps use this tube all through them, can't be all bad!
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Follow Ups
- The AN M7? - SteveBrown 13:01:28 01/24/06 (0)