value of input grid resistor

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hi.
I'm building hybrid inte-amplifiers of which fisrt stage is 12ay7 srpp. And 250k ohm of volume will be attached.
Generally input resistor has value of between 100k and 470k ohm.
Please tell me how to calculate the value of input grid resitor.
This hybrid is to be directly connected to CDP which has 300k ohm of output impedence.

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Topic - value of input grid resistor - umans 22:55:51 12/26/00 (3)

Re: value of input grid resistor - Kevin Elliott 09:03:45 12/29/00 (2)

mistype 300k --> 300ohm ^.^ - umans 21:58:42 12/29/00 (1)

Re: mistype 300k --> 300ohm ^.^ - Zeke 20:59:22 01/02/01 (0)

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