:104/94 with a minimum of 70. Tube & logo worn as pictured. Tube passed ALL tests. This is very important! We strive to make this happen!
Item Tag: 12AX7A ECC83
Nice RCA 12AX7A ECC83 Tube Amplitrex Tested 7025 6681 5751 Fender Amp L@@K!!
Here we have for sale is a nice RCA 12AX7A ECC83 tube. 14mm Grey Plates with ring getter. Solid strong used tube with lots of good useable life remaining to enjoy and bargain priced. 2x tested with included Amplitrex testing with results shown in photos.
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Japan Toshiba/Bogen 12AX7A (ECC83) Tube – Hickok TV7B tests @ 48/45, Min:32/32
Type 12AX7A (ECC83) vacuum tube. (Triode#1 / Triode#2). Hickok TV-7B/U tested. Hickok TV-7B/U is a mutual conductance type tube tester. Tested, strong tube! Tube features gray-ribbed-plates and a ‘Halo-Ring ‘ getter on top.
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12AX7A ECC83 RCA radio audio amplifier vacuum tubes 3 valves 12AX7 EH May 68 NOS
2 – RCA 12AX7A ECC83 RCA vintage vacuum tubes, made in USA grey ribbed plates date codes EH (May 1968) tubes have not been tested
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*PREMIUM* Matched Quad (RED TIP) 1963 Raytheon 12AX7A Tubes Amplitrex Tested
I just removed these tubes from their original amplifier last week. They were placed in a Baldwin organ in 1963 and never touched until I removed them. Baldwin only used the best tubes in their organs and you will not find any better tubes than these.
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Raytheon 12AX7A Japan Audio Tube NOS – Tested New Strong 1974 Date Code
Just got these from estate, great NOS. See Photos.
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(2) Sylvania 12AX7 ECC83 Preamp Tubes Gray Plates O Getters Tests NOS TV-7B/U
(2) Sylvania 12AX7 ECC83 Preamp Vacuum Tubes | Gray Plates | O Getters. Tube 1 tests at 86/86 and tube 2 at 82/80 with 32 being the minimum score for a good tube (with 65% life remaining).
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(1) NOS Mullard GE 12AX7A ECC83 Tube I63 B1B4 Blackburn UK 1961 Tests NOS TV-7BU
(1) NOS Mullard GE 12AX7A ECC83 Vacuum Tube | Excellent Condition | Blackburn UK Produced 1961 | Factory Date Code I63 B1B4. Tests at 60/54 with 32 being the minimum score for a good tube (with 65% life remaining).