RCA Mullard 12AX7A ECC83 Audio Tube. SMOOTH PLATE RARE. Made in Great Britain. 1940, 40s, 1950, 50s, 1960, 60s, 1970, 70s. Tube(s) shown in pictures will be the exact tube(s) you will receive.
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Sylvania 12AX7A Untested NOS. One untested tube. Sold as is.
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Tubes are identical in construction look like RCA. Construction: long gray plate round getter copper rods. Tested at: 99/102 plate current 11.5/12.4. The minimum is equal to 65% of the life of the tube.
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2 x 12ax7a Raytheon Tubes. Tested on enhanced Triplet E3444 laboratory Tester prepared by Paul Hart of Roswell Ga. Tubes may also be operated under the test conditions for extended periods to be sure that it is stable.
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1 Pair of GE 6201 JG-12AT7 Vacuum Tubes Short Gray Plates Support Rods Thick O Getters. Tube tests at 42/44 with 32 being the minimum score for a good tube (with 65% life remaining).
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Matched pair of NOS Hammond screened musical audio tubes. Tubes that test within certain specifications may be considered good or usable, but whether they are specifically labeled NOS DEPENDS on the history.
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This is a General Electric GE 12AX7A / 7025 vacuum tube, which is a NOS (New Old Stock) item. It is a vintage tube that is suitable for use in audio and video equipment. The brand of the tube is GE, and it is designed to fit into a variety of models, including the 7025. This vacuum tube is a great addition for enthusiasts of vintage electronics, and it is sure to improve the performance of your equipment.
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