GZ34 Mullard large base British Made 5AR4 CV1377 code f31 B9E B9H Holy Grail tested 100% pair

Description

The GZ34 was first introduced in 1954 and described by Philips Mullard as a high current rectifier for any set. It is an indirectly heated valve having the cathode attached to one side of the heater 

AudioMagical will show mostly all GZ34 variations with codes and pictures of them all.

We are proud to sell two pairs of Mullard GZ34 with large or fat base.

This is the second pair of rare Mullard GZ34 bear code on glass f31 B9E and f31 B9H made at Blackburn England..

Made in the 1950s first batch first series

Same shape and construction

Mullard large GZ34 tested with AVO 163 at 100% on both anodes A1=A2 100%