Pin 3 = Anode (Plate). All four tubes have been tested strong and closely matched for transconductance and emission. Pin 8 = Cathode / Suppressor. Pin 4 = Screen Grid (G2). Matched Quad. Matched Set of 4.
Pin 3 = Anode (Plate). All four tubes have been tested strong and closely matched for transconductance and emission. Pin 8 = Cathode / Suppressor. Pin 4 = Screen Grid (G2). Matched Quad. Matched Set of 4.