274A Early type STC 4274A Standard Telephones and Cables UK made full getter K 14 type HOLY GRAIL rare pair full wave rectifiers

Description

STC was established in 1883 as an agent for Western Electric USA.

STC was based in London.

STC made several valves under the Western Electric patent and the vast majority equals the sound of the Western Electric itself!

There are WE 300B and STC 4300A on the triode section of Audio Magical

For the very first time we have a pair of etched decal 4272A on glass

You can barely see it through glass, an excellent masterpiece of a valve.    

STC 4274A with UX4 base.

Black plate with full D-ring getter the holy grail of audio valves!

Make no mistake these are the Real McCoy!

Take a look at all pictures

STC Western Electric 4274A tested with AVO 163

STC 4274A A1=A2 100% emission

STC 4274A A1=A2 100% emission