Engrave base, Black glass, Muddy black plates. UX5 pin type..
Used but tested good. Matched pair are available.
Price: $ 34.99 / Tube
47 NU
Made in USA by National Union
Muddy black plates. UX5 pin type.
Nos in original box. Matched pair are available.
Price: $ 79.99 / Tube
47 RCA (Balloon) NOS
Made in USA by RCA.
Muddy black plate in balloon type. Engrave base.
Nos but no box, Tested very good. Matched pair are available.
Price: $ 59.99 / Tube
47 RCA (Balloon) Used
Made in USA by RCA.
Muddy black plate in balloon type. Engrave base.
Used, Tested very good. Matched pair are available.
Price: $ 59.99 / Tube
47 TUNGSRAM
Made by Tungsram
Black glass, Muddy black plates. UX5 pin type. Super rare tube in the World.
Nos but no box. Matched pair are available.
Price: $ 89.99 / Tube
483 NATIONAL UNION
Made in USA by National Union.
Muddy black plate, Engrave base
Special Low-Mu Power Triode.
Characteristics and Typical Operation similar to 45 but use 5 Volts filament.
Used but tested as new. Matched pair are available.
Price: $ 349.99 / Tube
50 CUNNINGHAM CX-350
Made in USA by RCA. One of great version of DHT power tube.
More power than 2A3 with super sounding. Very best.
Muddy black plate. Big balloon body. Bottom Cup-Getter.
Nos in original box.
Price: $ 249.99 / Tube
50 CUNNINGHAM CX-350 (used)
Made in USA by RCA. One of great version of DHT power tube.
More power than 2A3 with super sounding. Very best.
Muddy black plate. Big balloon body. Bottom Pan-Getter
Used but tested like new and matched (less than 2 %)
Price: $ 374.99 / Tube
50 DE FOREST AUDION 450 (Ribbed Plate)
Made in USA. The premium of 50 in balloon type. Super rare version.
Engrave base, black plate.Bottom Cup-Getter.
Nos in original box.
Price: Sold Out /
50 PHILCO
Made in USA by Sylvania. One of great version of DHT power tube.
Muddy black plate.