Made in USA.
Direct-Coupled Power Triode. Clear glass, black plate.
Used as a class A power amplifier. One triode, the driver, is directly connected within the tube to the second, or output, triode. Similar to 6N6G but requires 6-contact socket.
Nos in original box. Matched pair are available.

Made in USA.
Direct-Coupled Power Triode. Clear glass, black plate.
Used as a class A power amplifier. One triode, the driver, is directly connected within the tube to the second, or output, triode. Similar to 6N6G but requires 6-contact socket.
Nos in original box. Matched pair are available.

Made in USA.
Direct-Coupled Power Triode. Clear glass, black plate.
Used as a class A power amplifier. One triode, the driver, is directly connected within the tube to the second, or output, triode. Tube requires octal socket. Similar to 6B5.
Nos in original box. Matched pair are available.

Made in W.Germany by Telefunken.

Great Power Pentode tube.

Nos in original box.