1950s RCA USA 12AU7A ECC82 7030 LONG-PLATE MATCHED-PAIR HOLY-GRAIL "D-GETTERS"

12AU7A = ECC82 = 7030. RCA USA 12AU7A. 12AU7A FACTORY SPECIFICATION is 10,5mA/10,5mA for 100% mA. REAL 1950s RCA LONG -PLATE 12AU7A TUBES. - RARE ANGLED / D - SQUARE GETTERS. ex·em·pla·ry RCA 12AU7A.

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