2 X 12AT7WC TUBE. 1970s PRODUCTION. TESTED IN PIPE TEST TUBE TESTER GREY PLATES, HALO GETTER, COPPER RODS, MATCHED PAIR.
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See photos comes as is untested
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THIS TUBE 6AB4 IS THE EQUIVALENT OF 1/2 OR ONE TRIODE OF A 12AT7. THIS IS A 7 PIN TUBE WITH ONE TRIODE. A 12AT7 IS A PIN TUBE WITH 2 TRIODES. THIS IS NOT A SUB FOR A 12AT7. I have a B&K 747 tube tester.
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2 X 6679 / 12AT7 / ECC81 TUBE. 1950s PRODUCTION. BLACK PLATES, RECTANGULAR TILTED GETTER, COPPER RODS, MATCHED PAIR. TESTED IN AMPLITREX AT1000 TUBE TESTER.
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5 Vintage 12AX7 Tubes, All test between 56 and 86 where 50 is good on my tv-7 Boxed RCA TESTS 72/80 Raytheon tests 80/86 Remaining three test 56/80
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All re black ribbed plates, triple mica, top square getter, tubes tests Price is for all tubes pictured.
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You will receive what’s in the pictures.
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One tested 5751, this one tests slightly lower on my tester than the others I’ve tested but still in the good range on my tester as pictured. I have several like this but just one identical code match, which I listed as a pair. If you’re interested in multiples or more than one I will work with you on a deal. Thanks for looking. I will package properly and ship promptly.
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