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In Reply to: RE: Can someone explain this phase inverter circuit to me? posted by Alpha Al on April 24, 2021 at 15:34:30
The loads on the inverter plates (i.e. the EL84 grid resistors) are also different. It's not a symmetrical inverter, so there's no reason to expect symmetrical component values.
Follow Ups:
I see that the grid resistors are different.
I don't know how to calculate this, but it seems that .0015 into a 509K load would roll off higher then .047 into 220K?
Yes. 208Hz vs. 15Hz
Tre'
Have Fun and Enjoy the Music
"Still Working the Problem"
The inverted (second) stage is in series with the first stage so it has both rolloffs; the second rolloff is much lower in frequency so it has minimal difference.
.
Have Fun and Enjoy the Music
"Still Working the Problem"
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