Time to get this site upgraded, so we are passing the hat around. We appreciate any donations. Seriously, even a dollar helps. The payment page may be found here - https://www.audiokarma.org/support.html
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LOL.
The linearity/efficient coil slug is frozen. I'll see if I can free it up next time I pull the chassis. Meanwhile it continues to perform well.
I'll touch up the converge once the HV gets up where it should be.