Made in W.Germany by Telefunken.
Diamond Logo on the bottom, Triple mica. Premium of ECC81s. Super high stableness and low noise. Balanced & detail sounding.
One of most wanted 12AT7s in the World.
Nos in original white & black box. Matched pair are available.
Made in W.Germany by Siemens.
Triple mica and O-getter with douple support. One of the great version from Siemens.
Very balanced and detailed sounding. Super low noise and quiet. Great for Phono.
One of the best 12AX7s. Hard to find today.
Nos in original box. Matched pair and quad are available.
Made in W.Germany by Siemens.
Triple mica and O-getter with douple support. One of the great version from Siemens.
Very balanced and detailed sounding. Super low noise and quiet. Great for Phono.
One of the best 12AX7s. Hard to find today.
Nos in original box. Matched pair and quad are available.
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.