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Tube DIY Asylum Do It Yourself (DIY) paradise for tube and SET project builders. |
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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: 20B fun without Nreaking the Bank... posted by used-hifi on January 19, 2017 at 13:39:11:
"when you LED bias you get to full mu of the tube! "
You do? How?
The gain of a stage can only reach the mu of the tube when the total load impedance is infinite. A very high total plate load will get you close to the mu. A CCS plate load, either direct coupled to the following stage or RC coupled with a very high grid resistor, will get you close.
So back to my question, what does LED bias have to do with the gain of the stage?
Tre'
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- RE: 20B fun without Nreaking the Bank... - Tre' 20:20:48 02/07/17 (0)
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