(Pair GE 5 6201 (12AT7WA) Preamp Tubes. 3 Mica Black plates. Black Plates. 1) GM1 = 3100, GM2 = 3800. Test results.
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Tested Good.
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THE 6201 IS ETCHED ON THE GLASS. MFG DATE 1986. FROM A FRESH OPENED CASE.
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Labeled "RCA", manufactured by "GE".
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6201 = 12AT7-WC = ECC801S = E81CC = CV3508 = CV5212. It is often used for Hi-Fi applications. It provides very smooth mids and high end with a lot of detail. YOU CAN NOT GO WRONG IN YOUR 12AT7 / ECC801S / 6201.
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The tube tested on my Hickok TV-7D/U and it read 68/72. The minimum is equal to 65% of the life of the tube.
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For Sale 1 x Nice Strong GE JG 12AT7WA 6201 3-Mica Grey Plates. Tested via 2024 Amplitrex @ 89%/81% GM.
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