12AU7A = ECC82 = 7030. RCA USA 12AU7A. 12AU7A FACTORY SPECIFICATION is 10,5mA/10,5mA for 100% mA. REAL 1950s RCA LONG -PLATE 12AU7A. Since The Einstein Preamplifier uses only one 1 x 12AU7, it’s important to have a mirror-matched triode tube, low-noise balanced & matched like this 12AU7A.
Item Tag: One Tube
1950s RCA USA 12AU7A ECC82 7030 LONG-PLATE SINGLE-TUBE HOLY-GRAIL “D-GETTER” NOS
12AU7A = ECC82 = 7030. RCA USA 12AU7A. 12AU7A FACTORY SPECIFICATION is 10,5mA/10,5mA for 100% mA. REAL 1950s RCA LONG -PLATE 12AU7A. Since The Einstein Preamplifier uses only one 1 x 12AU7, it’s important to have a mirror-matched triode tube, low-noise balanced & matched like this 12AU7A.
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