Made in W.Germany by Telefunken.
Diamond logo on the bottom. The third type is similar to the first version but has 3 holes on each side of plate (top, middle & bottom). Large print logo version.Warm and balance sounding.
Nos in box.
Made in W.Germany by Telefunken.
Diamond logo on the bottom. Very nice tube.
Nos in box. Matched pair and quad are available.
Made in W.Germany by Telefunken.
One of few Medium-Mu Twin Triode from Telefunken with special logo on the base.
Very rare today. This tube makes balanced sound, smooth and detailed.
Same as 6SN7GTB. This tube is worth collection.
Nos in original box. Matched pair and quad are available.
Made in W.Germany by Telefunken.
One of few Medium-Mu Twin Triode from Telefunken with special logo on the base.
Very rare today. This tube makes balanced sound, smooth and detailed.
This tube is worth collection.
Nos in original box
Made in W.Germany by Siemens & Halske.
Triple mica and O-getter with douple supports.
They marked telefunken but made by Siemens. One of the great version. .
Great 12AU7s. Hard to find today. Very balanced and detailed sounding
Nos but no box. Matched pair are avaible.
Made in USA by Tung-Sol.
Long gray plate, D-Getter. Black glass. Eexcellent 12AU7 from USA.
Nos in original box. Matched pair are available.
Made in USA by Tung-Sol.
Long gray plate, D-Getter. Premium 12AU7.
Wide bandwidth, well balanced, excellent sound stage and air.Very good tube.
Nos in original box. Matched pair are available.
Made in USA by RCA (1960s).
Muddy black plate, Triple mica and Double D-Getter with five supports.
Most of muddy black plate version are made by RCA.
Very warm sweet sound, great on voices and jazz. Long life tube (10.000 hours)
Ligh used but test excellent. Packed in white box. Matched pair are available.
Made in USA by RCA (1960s).
Muddy black plate, Triple mica and Double D-Getter with five supports.
Most of muddy black plate version are made by RCA.
Very warm sweet sound, great on voices and jazz. Long life tube (10.000 hours)
Nos in original box. Matched pair are available.