Quote:
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Before any serious work can commence on this set the line output transformer windings must be warmed up in order to drive out any moisture. Usual procedure, connect the bench power supply unit to the overwind and the top cap connection of the PL36. Supply between 20 to 30 volts.
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Do you advise this on any vintage set, even those that have been kept in a dry warm house? I guess it does no harm.