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20th December 2003, 07:26 PM
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diyAudio Member
Join Date: Dec 2003
Location: south east mo.
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resistor vs. fet single, or cascode opamp bias?
hi folks, in my adcom gtp 500 11 preamp/ tuner i have replaced the adcom opamps with opa-2604s, for a decent improvement. my question is, would it maybe be better to remove the two class a biasing resistors per chip, which are already there and try single or cascode biasing? thanks for your opinions, crippledchicken
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