Made in W.Germany by Siemens & Halske (1968).
Long plate version. Triple mica and O-getter with douple supports. 
Best version from Siemens. Very balanced and detailed sounding. Hard to find in this time.

Nos in original box. Matched pair are available

Made in W.Germany by Siemens & Halske (1968).
Long plate version. Triple mica and O-getter with single supports. Copper grid.
Great version from Siemens. Very balanced and detailed sounding. Hard to find in this time.

Nos in original box. Matched pair are available.

Made in Germany by Siemens.
Long Smooth Plate, O-Getter.
Special military 12AU7s. Very nice tubes.

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

Made in W.Germany by Siemens

O-Getter version. Last version from Siemens. Plate with 1 side hole.

Used but tested very good. Matched pair are available.

Made in W.Germany by Telefunken.
Diamond logo on the bottom. The premium of ECC82s. 
Long ribbed plates with two silver wings on each side.
Low noise, balance and detail sounding. Best of ECC82s in the World.
Nos in original box.

Made in W.Germany by Siemens.
Long plate version (17mm). Triple mica and O-getter with douple support.
One of the best version from Siemens. Very balanced and detailed sounding. 
Very hard to find today.
Nos in original box.

Made in W.Germany by Siemens & Halske.
Triple mica and O-getter with douple support.
One of the great version from Siemens. Very balanced and detailed sounding.
Great 12AU7s. Hard to find today.
Nos in original box.

Made in USA by Sylvania 
Long gray plate, O-Getter and gold pins.
The best of 12AU7 / ECC82 ever made by Sylvania USA.
Very detailed sounding. Long life version.
Nos in original box. Matched pair and quad are available.