Made in G.Britain by Brimar.
Muddy black plate, Bottom Cup Getter.
Nos in original box.
Made in G.Britain by Marconi.
Muddy black plate, large black base, Bottom Cup Getter.
Best version of U52 type.
Nos but no box. Never been used.
Made in G.Britain by Osram.
Muddy black plate, brown base, Bottom D-Getter.
One of great rectifier tubes in the word.
Nos but no box. Never been used.
Matched pair are available
Made in G.Britain by Osram.
Muddy black plate, brown base, Bottom D-Getter.
One of great rectifier tubes in the word.
Nos in original box.
Made in G.Britain by Osram.
Muddy black plate, brown base, Bottom D-Getter.
One of great rectifier tubes in the word.
Nos in box.
Made in G.Britain by Osram.
Muddy black plate, large brown base, Bottom Cup Getter.
Best version of U52 type.
Nos in original box.
Made in USA by RCA, NU, Sylvania...
Muddy black plate. Bottom D-Getter. Very nice tube.
Nos in original box. Only open for take picture
20 tubes are in stock. Matched pair are available.