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ECC82 / 12AU7 / E82CC / ECC802S / CV491 / B749 / ECC186
The 12AU7 commonly identified in Europe with the initials ECC82 by Mullard-Philips is a "dual-triode" miniature with medium gain (Mu). Of the Noval family it is probably the first born ever, October 1946, RCA project. There are many equivalences but some are distinguished by " robustness, long life and, more or less, aggressive performance " such as the US Army 5814A and the various European SQ E182CC, E82CC, etc. Today, as in the past, this tube is very popular in AUDIO applications such as Driver and Phase Inverter in push-pull amplification circuits, as it is very linear and low noise.
EQUIVALENCE: 12AU7S / E82CC / 12AU7A / CC82E / ECC802S / 13D8 / B749 / CV491 / CV4003 / M8136 / 6067/7316 / ECC186 / 5814 / 5814A / GB-5936 / 95.126.01
CV491 MULLARD ECC82 12AU7 E82CC ECC802S B329 13D8 COUPLE VALVE DOUBLE TRIODE MILITARY...
Certainly among the most sought after in the world, this CV491 is the TRUE and ORIGINAL military version of the ECC82/12AU7; superb double Triode, "incomparable" sonic qualities!