EL34 Mullard double square getter xf4 welded plate holed spigot KT77 6CA7

Description

The EL34 is a thermionic valve of the power pentode type. The EL34 was introduced in 1955 by Mullard who were owned by Philips.  The EL34 has an octal base (indicated by the ‘3’ in the part number) and is found mainly in the final output stages of audio amplification circuits; it was also designed to be suitable as a series regulator by virtue of its high permissible voltage between heater and cathode and other parameters. The American number for this valve is 6CA7.

AudioMagical is proud to show all Mullard EL34 ever made, please check all we can offer and make your choice

This is a quartet of rare Mullard EL34 with double square getter on top  and etched code on glass XF4

Brown base

Mullard EL34 have  holed spigot

At −13.5 Grid and both Anode and Screen at 250 Volts each EL34 has been tested with AVO VCM 163 and got values of 79mA. 77mA. 78mA. 77mA with 100% emission

Mullard EL34 will be sold with provisional boxes