U50 directly heated rectifiers Mullard Marconi Osram 5Y3G CV1268 black plate square getter

Description

The U50 is a directly heated full wave rectifier with oxided coated ribbon filament

We offer a set of four pieces Marconi GEC Osram etc. with same shape

All four pieces U50  have code

MA 10

LJ 10

LD 10

U50 is also one of the best selling valve here at Audio Magical.

We had many requests about this valve and its variation.

We thought it is our commitment to show all that is available for this directly heated full wave rectifier that was introduced in 1937!

All four U50 have black plate and square getter

All four U50 tested with AVO VCM 163 with A1=A2 100% emission