I have replaced the orginial bandswitch in my Swan
Mark 1 amplifier with a Radio Switch Model 86S.
Understandably this new bandswitch is much larger than
the orginial switch so there is little room for the
orginial 80 thru 10 meter tank coil. I was thinking
about replacing the orginial tank coil with a new
Toroid Core type tank coil. Is this feasible? What
type core material should I use and how large should
the core be? The Swan runs 2500vdc on the plate at
about 800ma max. Use two 3-400Z tubes.
73,
Bill
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Bill Smith KO4NR
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