SY said:Check the DC resistance between pins 4 and 5, and likewise between 5 and 9.
SY said:Check the DC resistance between pins 4 and 5, and likewise between 5 and 9.
richwalters said:gold pins ? my guess is a double triode somewhere in the E80 or so SQ family..........clue is slotted anode so often in triodes.....need an expanded photo
richj