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Tubes Asylum Questions about tubes and gear that glows. FAQ |
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Tubes Asylum Questions about tubes and gear that glows. FAQ |
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In Reply to: RE: Changing the Gain posted by Victor Khomenko on March 19, 2017 at 08:35:31:
Take a 6sn7
250 volt plate
22k plate resistor
8ma.
About 1k bypassed cathode resistor
Gain 14, DB gain 22.9
Now take a 6sn7
250 volts plate
11k plate resistor
8ma.
about a 1K bypassed cathode resistor
Gain of 11.25, DB gain of 21
That's a gain difference of 1.9db.
That's not enough to make any real difference if he's fighting a situation of "too much gain" but the harmonic distortion will be much higher with a 11k plate resistor vs. a 22k plate resistor.
Am I missing something?
Tre'
Have Fun and Enjoy the Music
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Follow Ups
- Read what? - Tre' 09:36:30 03/19/17 (2)
- RE: Read what? - Naz 04:56:54 03/21/17 (1)
- Agreed - Tre' 07:46:03 03/21/17 (0)
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