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Tube DIY Asylum Do It Yourself (DIY) paradise for tube and SET project builders. |
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In Reply to: RE: Thoughts on Input resistor? posted by Tre' on July 28, 2021 at 08:05:45:
"I believe you are saying that the grid leakage current disturbs the bias of the tube (as set by a cathode resistor (as one example)) even when the grid resistor value is well below the "max" value given in the data sheet so lower is better with a grid choke being best."
Not seen any cases of driver stage bias problems in SE tube circuits because of a grid resistor.
The values presented in the RCA tube manual for grid resistors are typically OK for mid-fi circuits and applications.
To go beyond that takes special knowledge.
DT667
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Follow Ups
- RE: Thoughts on Input resistor ... bias problems? - deathtube 667 07/28/2108:53:07 07/28/21 (1)
- HA! - PakProtector 09:21:54 07/28/21 (0)
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