Closely Matched pair (2) General Electric 12AU7A / ECC82 Tubes. The boxes are a little bit beat up after over a half a century. The Screening is nice. The Tubes were properly Tested on our Calibrated TV-7D/U whrere Minimum/NOS = 55 No Gas, Shorts, Nice clean straight pins. Made in the Owensboro, KY Plant (188-5) Date coded "KC" July of 1970 Many people consider these tubes among the best for pre-amps. Test Data : Tube 1 T1= 102 T2= 110 Tube 2 T1= 112 T2= 119 Buy with confidence, we are very proud of our 100% positive feedback.
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