Rare pie plate halo getter, tests nos strong. Test results pictured. I will package this properly and ship promptly.
Item Tag: 5814A
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1950’s RCA Black Plate 5814A Audio Tube Tested at 77/81 min 55
1950’s RCA Black Plate 5814A Audio Tube. 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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GE Set of Three Gray Plate 5 Star 5814A Vacuum Tubes Amplitrex Tested Strong!
Amplitrex tested 104/100% 95/95% and 95/90% Gm. 100% represents what you would expect from a NOS tube on our Amplitrex and 65% is considered too low to use.
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GE JG-5814A. High Grade 12AU7. Triple Mica. Matched. Test Strong And Balanced.
Testing is done with Superior TW-11 Tester. This tester is a cathode emission tester. The results are useful for relative matching of same type tubes, and also a good/bad result. Tubes are checked for filament continuity. The results should be taken as a general indication of tube health. I am happy to combine shipping on multiple purchases. For USA customers, duty and brokerage is prepaid to ensure quick hassle free delivery.
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5814A NOS radio GE audio amplifier vintage vacuum tube valve tested 12Au7A ECC82
Tube has grey ribbed plate, top O getter, tube tests: 82, 84 %.
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GE 5814A 12AU7A 3-Mica Short Pinched Grey Plates TV7 Tested Strong
Tested NOS at 98/98gm (56 is minimum) using a professionally calibrated TV7U tube tester.
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Two Tung Sol 5814A Tubes / 1959 / NOS IN BOX / Amplitrex Tested 💪 /12AU7 ECC82
Two Tung Sol 5814A tubes. Tested on Amplitrex AT-1000 computerized tube tester (fixed bias mode). Etched codes on glass 5916, 5920= 1959 week 16 and week 20. Matched 9/59 dates on box = September 1959.
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Matched Pair of 5814A (12AU7) Tubes Tested Excellent on Hickok 533A
Lot of (2) 5814A tubes. Tube #2 2180/2160 gm.