(1) G.E. 12AT7/ 6201 premium 5-star vacuum tube. 13mm gray ribbed plates with halo getter. Made in the USA. The pins are clean and straight. The silver flashing is excellent with no burn. No shorts, leakage or oscillation.
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One Excellent GE 6201 12AT7 Tube. The Calculated Average for a NOS 12AT7 Tube is : 77/77. The Hickok Specified Minimum for a 12AT7 Tube is : 50/50. Durable GE 6201 Tube. GE "6201" Acid Etch. There is normal variance in Test Results so I take this into Consideration.
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All tested NOS and Closley matched using a professionally calibrated TV7A/U tube tester with the following results (32 is minimum): Tube 1- 50/49 Tube 2- 50/46 Tube 3- 52/47
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The pictures shows a GE 6201/12at7WA Short Grey Plate Solid O Getter strong 95/100 each side 1960s. This is a military grade tube with the 6201 designation and the Solid O Getter. Tube Tester Scale reads.
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These tubes are Gray Plates with Halo Getters. Made in the USA!
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Gas (Grid Current)Test: Passed. Gain: (43.4 & 50.0) MU and side balance. Very good sounding low noise tube. Test results will vary between testers as it is not an exact science. TV-7D/U and Digital Maxi-Matcher 2 tested.
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Up for sale are 2 GE General Electric 12AT7 Tubes. Tube/tubes may have smudged/faded/missing labels.
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