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In Reply to: an operational amplifier doesn't need to be on a chip. posted by Timbo in Oz on June 24, 2015 at 19:23:36:
That is true. Philbreck made op amp modules that used a pair of 12AX7's.
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Follow Ups
- RE: an operational amplifier doesn't need to be on a chip. - Alpha Al 10:41:57 06/25/15 (0)