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1. Pair GE 6201 12AT7WA 3 Mica D-Getter 12AT7 ECC81, Maxi-Pre Tested NOS, bn3722

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2. GE 5965 / 12AT7 MATCHED PAIR TUBES/1960's, MaxiPreamp II Tested, SM1368

   Tested on a Hi End Maxi-Preamp II tester for Gain (Mu), Transconductance (Gm), and Noise (dB). It most likely is because it has a lower gain compared to the 12AT7. Gain (Expected Value=40 mu). This is very important!

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3. 12AT7 Balanced GE (New Old Stock) Test NEW 1 Year Warranty

   Reference tube is tested first then the tube listed for sale. Test procedure.

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4. 12AT7 Balanced GE (New Old Stock) Test NEW 1 Year Warranty

   Reference tube is tested first then the tube listed for sale. Test procedure.

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5. A MATCHED PAIR OF GE 12AT7/ECC81 NOS/NIB VAC TUBES

   These tubes are Gray Plates with Halo Getters. Made in the USA!

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6. (1) Tested GE 12AT7/ECC81 Tube Date Code SY GE 12AT7 ECC81 Twin Triode Tube

   Date Code SY. (1) Tested GE 12AT7/ECC81 Tube. We prefer the versatility and precision of Hickok TV-10 military testers and use them almost exclusively except in rare instances when pinout/socket compatibility is not possible.

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7. 6201 GENERAL ELECTRIC GE 12AT7 5 STAR VINTAGE TUBE

   O FOIL GETTER. TUBE TEST 100% OR BETTER ON B&K 747B TESTER. THERE ARE 8 TUBES AVAILABLE.

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8. GE 12AT7WA 12AT7 Tube gray plates twin triode , ECC81 6201 - Tested Strong

   There is always a possibility of a typo or a an error that can potentially be made on our end without the intent of doing so.

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