12AX7 / ECC83 / 7025 tubes

The 1961 Amperex Bugle Boy 12AX7 / ECC83 tubes in this precisely matched pair have large halo getters. They have white Bugle Boy labels and the Heerlen, Holland factory code is etched in the glass. Both tubes test as new with phono grade noise levels.

This Ei ECC83 / 12AX7 tube was made in pre-war Yugoslavia and labeled for other companies. It has smooth gray plates and a halo getter, just like the famed Telefunken 12AX7 tube it was modeled after. Click "more info" for current availability.

The Ei ECC83 / 12AX7 tubes in these precisely matched pairs, trios, quads, and sextets were made in pre-war Yugoslavia and labeled for Audio Research. They have smooth gray plates, just like the famed Telefunken 12AX7 tubes they were modeled after.

The Sovtek 12AX7WXT+ tubes in this precisely matched pair have short gray plates and triple micas. The black or silver print on the glass has the Sovtek logo and says "Made in Russia." Click "more info" for current availability.

This 1959 Telefunken ECC83 / 12AX7 has long ribbed plates and a halo getter. The white label on the glass has the Telefunken logo in excellent condition. The diamond imprint on the base. Tube tests as new with phono/V1 grade noise levels.