EL34 Mullard metal base holy grail KT77 6CA7 equivalent CV1741 both same codes SY1 57B

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

Considered by the vast majority of audiophiles to be the best reliable Mullard EL34 valve ever made, the Mullard EL34 metal base are getting scarce these days, lucky enough for AM to show a pair of these valves.

Both Mullard EL34 have same structure with large getter located on top and metal base. Both  Mullard EL34 bear same codes SY1 57B

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. 890mA with 100% emission

Mullard EL34 will be sold with provisional boxes