Single “nos” Mesa 12ax7a tube Tested on Hickok 539c where 875 is minimum good Test results: 1300/1500 Ships within two business days of receiving payment Thanks for shopping!
Item Tag: Preamp Tubes
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WESTERN ELECTRIC 2C51/396A VACUUM TUBE TV-7D TESTED
Here is a 1964 Western Electric 396A vacuum tube. This tube looks good and tests well with its black plate and angled square top getter. This tube was tested on a TV-7D tube tester with 27 for the average good test result (65% of the life of the tube).
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GE 5-Star 5751 Vintage Gray Plate Round Getter NOS Tube Sleeve (nicely matched)
Yes, you’ll receive all five tubes shown in the picture. The minimum on our TV-7 is 32 with NOS spec being 49. These tubes test nicely at 47.0/45.6, 47.3/46.3, 46.3/49.1, 45.6/48.5, and 46.0/43.6. Dan Nelson is the guru of TV-7 testers, so you can rest assured that you’re getting dependable test results.
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BRIMAR 6N7GT/G ECC31 GREY GLASS OLD STOCK TESTED BRITISH VINTAGE VALVES TUBES
THE SOCKETS ARE SHOWN FOR DISPLAY PURPOSES ONLY AND ARE NOT FOR SALE HERE. THESE TUBES TESTED AT 100% STRONG READINGS ON MY B&K 747 AND HICKOK TV-7 TUBE TESTERS. TESTED FOR GAS AND SHORTS.
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12AT7 Brimar NOS BVA England Angled Square Getter Black Plate Preamp Tube 110%
Brimar BVA. This tube is a 12AT7 Brimar 12AT7 preamp tube. Matte black ribbed wing plates angled square getter. this Tube was tested on the Jackson model 103 where a typical NOS Tube will have a test result of around 38-40 and the minimum good value is 25.
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Pair Vintage Brimar 12AT7 ECC81 Grey Plate Square Getter Valves Used Tested Nos+
Pair Vintage Brimar 12AT7 ECC81 Grey Plate Square Getter Valves Used Tested Nos+. Condition is Used. Shipped with USPS Ground Advantage.
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RARE BRIMAR 12AX7 LONG BLACK PLATE SQUARE GETTER 1954 – Tested EXCELLENT
RARE BRIMAR 12AX7 long black plate angled square getter 1954. Amplifier and AVO Mk4 Tested: Ia 1.05/0.95 GM 2100/2000 = 100+/100%.
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BRIMAR 6SL7GT PAIR OF OLD STOCK GREY PLATE TESTED BRITISH VINTAGE VALVES TUBES
RED PRINT ON THE BLACK BASE OF THE VALVES IS WORN IN PLACES. THESE TUBES TESTED AT 100% STRONG READINGS ON MY B&K 747 + HICKOK TV-7 TUBE TESTERS. LONG DARK GREY ANODE PLATES. TESTED FOR GAS AND SHORTS.
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Pair Vintage Brimar 12AT7 ECC81 Grey Plate Square Getter Valves Used Tested Nos+
ALL IN GOOD CONDITION AND TESTED EXCELLENT. AVO VCM163 TESTED. READINGS CAN BE SEEN IN THE PHOTOS.