Yoke Inductance Tolerance

daskrabs

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If I was going to perform a tube swap without swapping the yokes, what kind of inductance tolerances can a donor tube withstand in each direction? 1-2 mH in the V direction and 0.1 -0.2 mH in the H direction? Just guessing.
 
I am wondering the same, I have two tubes with yoke inductance's somewhat similar to each other..

HORI: 1.365mH VERT: 17.86mH
HORI: 1.080mH VERT: 26.87mH

I am leaning towards swapping the yokes just to be on the safe side.. but it would be nice to know how much variance is TOO much! :)
 
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