Mullard British Made GZ32 CV593 Grey Plate Valve Tube R71 B9D NOS Boxed (V33)

Mullard British Made GZ32 CV593 Grey Plate Valve Tube R71 B9D NOS Boxed (V33)
Mullard British Made GZ32 CV593 Grey Plate Valve Tube R71 B9D NOS Boxed (V33)

Mullard British Made GZ32 CV593 Grey Plate Valve Tube R71 B9D NOS Boxed (V33)
5AQ4 GZ32 Rectifier Valve Tube. R71 B9D Blackburn Code in the Glass. Fully Tested on Avo VCM 163.
Mullard British Made GZ32 CV593 Grey Plate Valve Tube R71 B9D NOS Boxed (V33)