RGN1064 G1064 Telefunken balloon mesh plate super rare Holy Grail U12 U14 directly heated rectifiers

Description

This section shows four German made audio and radio directly heated full-wave rectifiers used back those days circa 1934.

The Telefunken RGN1064 is equivalent of the UK made U12 U14 etc.

Details about these four valves as follow:

Telefunken RGN1064 with Telefunken logo stamped at side of glass

Telefunken RGD1064 with logo etched on top dome

Telefunken RGN1064 with lettering on top and date 1940 on side glass

OPTA G1064 with logo as shown

All four valves tested 100% and in perfect working order.