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In Reply to: RE: Not sure what you mean... posted by Nickel Core on November 08, 2014 at 13:50:13
I'll give you that grid chokes can sound good but I want to see a compelling argument "why"
consider what happens to this input waveform....
when coupled via grid choke to a -30V biased 801.
dave
Follow Ups:
Is this behavior present always with grid chokes I wonder?
when the LC is well tuned well, this amount of ringing seems avoidable.
As to the why of grid chokes. I guess its a combination of:
1 very high impedance at high frequencies
2. high impedance at low frequencies (when enough inductance is available)
3. very low DC resistance which enables the grid to have maximum control, especially important with low mu triodes.
NC
I've always thought grid chokes were a very difficult way to go, an absolute last resort. The engineering challenges relating to both construction and application are enormous.
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Buy Chinese. Bury freedom.
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