April 1, 2024
2XNOS ECC82=12AU7 CIFTE Mazda, Made in France
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2XNOS Tubes ECC82=12AU7 CIFTE Mazda Tubes "Signal Corps", Made in France, 1962 -- Very Nice! Identical 1962 date codes. Grey plates, very similar to the rare Mazda silver plate tubes in construction. Tubes marked with the twin flags indicating French signal corps. Excellent, 1960s vintage long lived 12AU7 types with the sweet distinct European vintage flavor that a modern tube just cannot capture! Sample of etched code on both tubes: AUA 6219, AUA 6226, etc. Tested on Amplitrex AT1000 Tube Tester. Test Results (see attached Test Data) : Mutual Conductance (uMhos ): Tube 1) 2550 and 2800; Tube 2) 2400 and 2660 . Minimum Value: 1496 Plate Current (mA) : Tube 1) 9.9 and 11.4; Tube 2) 9.2 and 9.0 . Minimum Value: 7.2 Items sold "As-Is." I will ship worldwide using Registered Article Service from Singapore Post.
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