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Brimar CV4024 12AT7WA - MINT NOS Late 1960s-Early 1970s Black Plate Military Stock ECC81/12AT7 - (M.Pairs/Quads/Singles) - SAME AS Brimar 6060 Single Tubes, Like New BRIMAR T-Series 6060, Premium 12AT7 Black Plates Tubes. BVA Logo, Made in England. Brimar - 1960s Black Plate CV4024 12AT7WA  Military Stock ECC81/12AT7
540 10A 940
Brimar CV4024 12AT7WA - Single Tubes MINT NOS NIB 1965-66 Black Plate Military Stock ECC81/12AT7 - SAME AS Brimar 6060 - IMPERFECT SCORES Brimar CV4024 12AT7WA - Single Tubes MINT NOS NIB 1960-62 Black Plate Military Stock ECC81/12AT7 - SAME AS Brimar 6060 - STC KB/AD or KB/FD. Brand New, MINT NOS NIB 1965-66 Brimar Military Production CV4024 12AT7WA tubes with Black Plates and copper posts. STC Production, Made in England. Very desirable 12AT7/ECC81 type tube for both Audio and Guitar applications.
940-IMP 941S 940S
Brand New MINT NOS NIB Rare 1970-71 BRIMAR CV4033 Black Plate Military tubes. CV4033 Flying Lead is Premium Grade, High Reliability Long Life version of CV4024/6060/ECC81/12T7 valves. STC Rochester Plant Date Codes. Made in England. Brand New MINT NOS NIB Rare Mid-Late 1960s BRIMAR CV4033 Black Plate Military tubes. CV4033 Flying Lead is Premium Grade, High Reliability Long Life version of CV4024/6060/ECC81/12T7 valves. STC Rochester Plant Date Codes. Made in England. Brand New MINT NOS Rare 1960-62 BRIMAR CV4033 Black Plate with Copper Grid Post Military tubes. Factory tested/serialized*. CV4033 Flying Lead is a Prem Grade, High Reliability Long Life version of CV4024/ECC81/12AT7. STC Rochester Plant England. IMPERF
2040M 2041M 2042MI
Brand New MINT NOS NIB Rare 1970-71 BRIMAR CV4033 Black Plate Military tubes. CV4033 Flying Lead is Premium Grade, High Reliability Long Life version of CV4024/6060/ECC81/12T7 valves. STC Rochester Plant Date Codes. Made in England. IMPERFECT TEST SCORES. Brand New MINT NOS NIB Rare 1960-62 BRIMAR CV4033 Black Plate Military tubes. CV4033 Flying Lead is Premium Grade, High Reliability Long Life version of CV4024/6060/ECC81/12T7 valves. STC Rochester Plant Date Codes. Made in England. IMPERFECT SCORES. Brand New, MINT NOS NIB Rare 1958 BRIMAR CV4033 3-MICA Black Plate Halo GT, Copper Grid Post Military tubes. IMFactory tested and serialized*.  CV4033 Flying Lead is a Prem Grade, High Rel Long Life ver of CV4024/ECC81/12AT7. STC Eng
2040M-IMP 2044M 2045MI
Brand New, MINT NOS NIB Mid 1960s Brimar Military Production CV4024 12AT7WA tubes with Black Plates and copper posts. STC Production, Made in England. Relabeled and boxed by Tronix as 6201. Very desirable 12AT7/ECC81 type tube for both Audio and Guitar ap Brand New, MINT NOS NIB Mid 1960s Brimar Military Production CV4024 12AT7WA tubes with Black Plates and copper posts. STC Production, Made in England. Relabeled and boxed by Tronix as 6201. Very desirable 12AT7/ECC81 type tube for both Audio and Guitar ap Like New, lightly used Rare 1960s BRIMAR 13D9 Industrial grade with Black Plate and Copper Grid Posts  with BVA logo. 13D9 is a Special Grade Variant of CV4024/ECC81/12AT7 valves. STC Rochester Plant Date Codes are faint and painted on instead of etching
940-T 940-TI 1131
Like New, lightly used Rare 1960s BRIMAR 13D9 Industrial grade with Black Plate and Copper Grid Posts  with BVA logo with IMPERFECT GETTER FLASH. 13D9 is a Special Grade Variant of CV4024/ECC81/12AT7 valves. STC Rochester Plant Date Codes. Like New, lightly used Rare 1960s BRIMAR 13D9 Industrial grade with Black Plate and Copper Grid Posts  with BVA logo with IMPERFECT TEST SCORES. 13D9 is a Special Grade Variant of CV4024/ECC81/12AT7 valves. STC Rochester Plant Date Codes. Brand New MINT NOS NIB Rare 1960 BRIMAR CV4033 Black Plate with Copper Grid Post Military tubes. Factory tested and serialized*. CV4033 Flying Lead is a PremGrade, High Reliability Long Life version of CV4024/ECC81/12AT7. STC Rochester Plant Prod England.
1131-G 1131-IMP 2048M
Brand New MINT NOS Rare 1960-62 - BRIMAR CV4033 Black Plate with Copper Grid Post Military tubes. Factory tested and serialized*. CV4033 Flying Lead is a PremGrade, High Reliability Long Life version of CV4024/ECC81/12AT7. STC Rochester Plant England - SL Brand New MINT NOS Rare 1960-62 - BRIMAR CV4033 Black Plate with Copper Grid Post Military tubes. Factory tested and serialized*. CV4033 Flying Lead is a PremGrade, High Reliability Long Life version of CV4024/ECC81/12AT7 STC Rochester Plant England SLIMP Brand New. MINT NOS NIB La Radiotechnique 12AT7WA 1970 Professional Grade with dual getter support. Laboratoire central des industries électriques LCIE triangle mark on all tubes. Etched Suresnes Plant codes, Made in France. Very fine 12AT7 ECC81 tubes.
2042M-SL 2042M-SL-IMPSC 1156
Brand New, MINT NOS Late 1960s MINT NOS VEB Röhrenwerk Mühlhausen with Dual Support. Made in East Germany. RFT - MINT NOS NIB E. German 12AT7 Tubes Brimar Label RFT E. German ECC81 12AT7 Tubes Tungsram Label
36 89 89-T
Siemens ECC801S - MINT NOS NIB 1982 Bundeswehr Falcon Logo Munich Prod Premium 12AT7 ECC81 CV4024 - Germany (Singles/M. Pairs/Quads) Brand Spanking New, MINT NOS NIB 1960s Siemens & Halske 3-MICA E81CC tubes. These are premium version of ECC81/12AT7 Type tubes. Munich production date codes etched in small dark font in style of the early Siemens production. Made in West Germany. Brand Spanking New, MINT NOS NIB 1967 VALVO Hamburg SQ QUALITY E81CC 6201 12AT7WA Gold Pin tubes with ADZAM Label. These are premium version of ECC81/12AT7 Type tubes. Valvo Hamburg production date codes of DF6 D7I2/D7I3/D7I4. Made in West Germany.
236 629M 1317
Matched Pairs MINT NOS NIB Sylvania 1960s 12AT7 Black Plate Tubes with Halo Getter, Westinghouse Label. Tubes are earlier production labeled and packed by Westinghouse a few years later. Matched Pairs MINT NOS NIB TUNG-SOL 1960s 12AT7 Gray Plate Tubes with Halo Getter Westinghouse Label. Tubes are earlier production labeled and packed by Westinghouse a few years later. Very desirable and some of the best American made 12AT7 tubes. NOTE: From the same lot of Item 811, these tubes have imperfect test scores. Still quite usable in many applications. Single Tubes MINT NOS NIB TUNG-SOL 1960s 12AT7 Gray Plate Tubes with Halo Getter Westinghouse Label. Tubes are earlier production.
814 811 811B