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As I see it....

Bypassing the choke with a resistor, would remove the peak while maintaining the benefits of having a low DC resistance path to ground.

However, I guess AC resistance would suffer, but would still be high (100K @ 4Hz, 200K @ 20Hz and then moving to the value of the bypass resistor when frequency rises). Output impedance of the preceding stage is 25K.

It would never be as high as when not bypassing the choke of course, so in this sense the bypass resistor would defeat the high reactance of the grid choke at higher frequencies.


Hmmm.... not sure what to do. But having the smaller, higher quality coupling cap in there is preferable I think.

NC


Edits: 11/08/14
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