Very high quality tube and each has been tested to make sure it’s fully functional, they been working great for years without ANY problem.
Item Category: Vintage Electronics
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12AX7 ECC83 SYLVANIA BLACK-PLATE 17mm SQUARE 45º GETTER 1950s TUBES NOS 1,2 or 3
SYLVANIA U.S.A.12AX7 / ECC83. NOS 12AX7 / ECC83 BLACK-PLATE. 12AX7 = ECC83. 1955 SYLVANIA USA JHS 12AX7. Here’s your chance to upgrade to a SYLVANIA 12AX7 TUBE! JHS 12AX7 “SYLVANIA USA”. RARE “SQUARE” GETTER.
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MATCHED NOS PAIR GE 12AX7 ECC83 Fat Plate VINTAGE Audio VACUUM TUBES 8.9843
Model 12AX7 ECC83. Plate Fat Plate Grey. Variant Fat Plate. Condition NOS. ALL TUBE AUDIO. Tube Specifications. Tube Type Dual Triode. Why Buy From All Tube Audio?.
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12AX7A/ECC83 Mullard MaxiPreamp2/TV7 tested (1) tube lot
I test all tubes thoroughly and with great care. I test to the best of my ability, and I report all results honestly.
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Matched Pair, 2 X Mullard 12AX7 / ECC83 tubes, Brand NEW in Box
Price is for 2 tubes, Matched Pair, Mullard 12AX7 / ECC83 tube from New Sensor Corp of NY, USA. (they bought the right to re-manufacture these tubes). Made In Russia.
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GE General Electric ECC83 12AX7A 7025 Tube Halo Getter Tested
Up for sale is a GE General Electric ECC83 12AX7A 7025 Tube. Constructed with top halo getter and gray plates.
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LOT OF 5 MULLARD 12AX7/ECC83 TUBES I61 TYPE (1959-1964 SHORT PLATE) LOW TEST
Marked “Dumont”, I61 B3C3, reads 38/40 (1022-348 date code 1963). Marked “Eico”, I61 B3D5, reads 43/34 (1022-412 date code 1964). Marked “Heath”, I61 B9D, reads 35/36 (1022 941 date code 1959). Marked “Heath”, I61 B9E, reads 30/36 (1022 941 date code 1959).
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Sylvania Yellow Label 12AX7 7025 Tubes (pair) Used/tests well.
Sylvania Yellow Label 12AX7 7025 Tubes (pair). 38/44 out of 32.