Halli SX101A bfo

[Bill and Sue]

The bfo in this rig is VERY unstable. We're not talking a little drift. It
warbles like a bird, a SICK bird! Voltages at socket of 6SC7 are nominal. B
plus from VR line stable. Tried different tubes inc NOS. R's check OK. Old
tubular caps replaced. Subbed several micas for which I had replacements.
Checked for bad connections by tapping around.  What did I miss???    Bill,
K2HV

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