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In Reply to: I subbbed A 12BH7 in place of a 12AX7 in the Eico HF-87 posted by Michael Samra on September 1, 2013 at 16:46:50:
I assume your HF-87 doesn't have the 12ax7 heater in one channel's cathode circuit? Both of mine do.
The 12bh7 draws twice the heater current.
Tre'
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Follow Ups
- RE: I subbbed A 12BH7 in place of a 12AX7 in the Eico HF-87 - Tre' 09/2/1309:42:00 09/2/13 (1)
- RE: I subbbed A 12BH7 in place of a 12AX7 in the Eico HF-87 - Michael Samra 13:05:14 09/2/13 (0)