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In Reply to: RE: "The preamp has tubes amplifying the signal, so it's active" posted by Caucasian Blackplate on July 10, 2015 at 16:28:15
A preamp using tubes in the gain stages can have either passive or active RIAA EQ. By far the most common EQ, and, IMHO, the preferable method, is passive. Never cared much for feedback derived active EQ. Clear? The statement you made which I disagreed with seemed to infer if tubes were used in the gain stages the EQ HAD TO BE ACTIVE. Not so.
Opus 33 1/3
Follow Ups:
No, I said a preamp with tubes is an active preamp, regardless of the type of EQ used.
Opus 33 1/3
Opus, didn't you enjoy your time with those EAR, Graham Slee and Yaqin phono stages ? They utilized active feedback EQ; right ?
Passive EQ or Feedback EQ can work; and sound fine...
but in tubed ones, rolling different tubes could alter the EQ curve, no? I'm not so sure about the 834P using active EQ, either. I know the Yaqin does. Didn't know about the Graham.
Opus 33 1/3
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