Made in USA.
Similar to the 10Y, VT-25-A.
Muddy black plate, Engrave base, Bottom Cup-Getter.
One of classic triodes. Super tube for Sun-Audio VT-25 Amplifier.
used but tested very good and matched

Made in USA.
Similar to the 10Y, VT-25-A.
Muddy black plate, Engrave base, Bottom Cup-Getter.
One of classic triodes. Super tube for Sun-Audio VT-25 Amplifier.
Nos in original box. Matched pair are available

Made in USA by RCA (1930).
Similar to the VT-25-A.
Muddy black plate. One of classic triodes.

Nos in original box. Four tubes are available.

Made in USA by Philco.
Similar to the 10Y, VT-25-A.
Muddy black plate. Engrave base. Bottom Pan-Getter
One of classic triodes. Very nice tube for Sun-Audio VT-25 Amplifier.
Nos in original box. Matched pair are available

Made in USA by RCA (1930).
Similar to the VT-25-A.
Muddy black plate. Bottom Pan-Getter.
One of classic triodes.
Nos but no box.

Made in USA by Sylvania.
One of classic triodes BUT used tube socket B4 type. Like PX4, PX25, U18/20.
Muddy black plate. Bottom Pan-Getter.
Super rare. Great sound
Nos in original box. Matched pair and quad are available.

Made in USA by Sylvania.

Brown base. Muddy black plate. Bottom Pan-Getter

Like new. Tested very strong and matched. Pair and quad are available.

Made in USA by Ken-Rad (1944)
Brown base, black plate.
One of lovely indirect power triode tubes.

Nos in original box. Matched pair and quad are available.

Made in USA by RCA (1942)
Brown base, black plate.
One of lovely indirect power triode tubes.

Used, tested good. Matched pair and quad are available.

Made in USA by RCA (1942)
Brown base, black plate.
One of lovely indirect power triode tubes.

Nos in original box. Matched pair and quad are available.