Product Details:
Premium Choice. Best 12AT7 we have seen! Made in Japan. Excellent operating characteristics ¢ 100%+ of new tube. All tested with Roe Tester and guaranteed top results. NOTE: Includes printout with curves. (See example)

For a $6 up charge ($5 for 20 tubes or more of same number), individual Roe Tester V10 printouts with curves will be included with individual tubes. This test takes about 10 minutes for each test. The calibrated ROE Tester is the finest test tube testing system available. It will document every operating parameter of the subject tube.

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