EL34 Mullard round getter xf2 early type 6CA7 KT77 quartet valves

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 single getter on top  and etched code on glass XF2

Black base

Mullard EL34 have large brown base and 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 75mA. 77mA. 76mA. 76mA with 100% emission

Mullard EL34 will be sold with provisional boxes