Mullard (RCA) GZ34 5AR4 f32 Vintage 1969 Notch Plate O-Getter NOS Vacuum Tube

It features a 1969 date code of "B9I3" with notched plates and a single round getter. Our TV-7/D tester lists the minimum as 40/40, and this tube is well balanced at 59/60. Audio Rectifier Tubes (5Y3, 5U4, GZ34, etc).