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Original Message
RE: grid resistors first stage of amp
Posted by Tre' on June 24, 2012 at 17:28:15:
"Another factor to take into account is Miller capacitance. The 470 KOhm parts previously mentioned are fine with a pentode I/P stage, but can easily cause HF info. to be rolled off, with a 12AX7 section in the I/P stage."
How so?
Tre'