E80CF / 7643 / 6BL8 / CV5215 / ECF80

The ECF80 valve is composed of two different valves in the same glass envelope, namely a TRIODE and a PENTODE. Designed by Mullard for universal use, in radio, civil and military, as a frequency converter. It is part of the noval valve family and designed to maintain stable characteristics even when operating as a cut-off. Low noise valve for this very interesting for AUDIO applications and DIY project.

EQUIVALENT: E80CF = 7643 = 6BL8 = CV5215 = 6C16

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