I have 12AU7, 12AX7, 6DJ8 old stock tubes. Some highly sought after from USA, Britain, Europe, and Soviet Voskhod, Yugoslavia Ei, Germany, Philips (Netherland).
Let me know what you're looking for. Tubes tested on my Hickok 600A for gm, shorts on both triodes.
Budget singles Voskhod ECC88/6DJ8 from 1970-1980's start at $10 each.
12AU7
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GE 5751 short grey plate, thick mica spacer
RCA Clear tops (USA ) side getter. Excellent!
Pair Ei Yugo ECC82, long grey smooth plate made using Telefunken tooling!
Pair Philips ECC82 dimple getter!
USA - GE short grey plate. Raytheon, National black plate.
Realistic gold pin. Long life. Long grey ribbed plate.
Pair National 12AU7 Germany.
Pair Zaerix CV491/ECC82
Pair Mazda ECC82
Price varies per tube. Budget singles start at $15ea.
12AX7
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Small batch of 12AX7 tubes including Amperex orange globe, USA GEs, RCA, ge 5751
6DJ8
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Voskhod from the 70's and 80's
Pair of RCA and Gold Lion new issue gold pin
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Also available:
(4) Tung Sol 6550 solid grey plate (USA) - The benchmark of 6550 tubes.
(2) RCA/Sylvania 6550 skinny bottles (USA)
(6) Tesla EL-34 Brown base dual OO getters (Czechoslovakia) - Mullard XF2 sound.
(8) Ei KT90 Type 2 spot welded plates (Sonic Frontiers, Gold Aero logo) - Rare, robust powerful sound, rugged, Fantastic!
(6) GE 6550 (USA) - legendary tone!
(2) Sylvania/RCA 6550 skinny bottles - warm smooth and musical.
(2) Svetlana EL34 winged =C= are now old stock. Excellent sound.
(2) New issue Tung Sol EL34b - a great new stock tube.