Tube Equivalents

12AU7 (mu: 17): Released – October, 1946. See reviews Direct Replacement or Higher Quality ECC82, ECC802, E80CC*, E82CC, E2163, B749, B329, CV491, CV4003, M8136, 5814, 5963, 6067, 6189, 6350, 6670, 6680, 7030, 7316, 7318, 7489, 7730, Requires Modifications 12bh7*, 6fq7**, … Continue reading