Antique radios, Old Time Radios

CV4024

Country:	Great Britain (UK)	Brand:	Mullard Radio Valve Co. Ltd.;
		Developer:	Mullard Radio Valve Co. Ltd.;
		Tube type:	Double Triode Universal

Tube ID = 27861


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Identical to	CV4024 = M8162
Similar Tubes	Other class quality (otherwise equal): 12AT7; CV455; ECC81

Base	Noval, B9A
Was used by	Military and/or Government
Filament	Vf 12.6 Volts / If: 0.15 Ampere / -: Indirect / -: Parallel / series AC/DC /
Description	Special Quality version of the 12AT7. Heater is centre-tapped to permit operation in series at 12.6V or parallel at 6.3V. Designed for long life and shock resistant up to 500g and bulb temperatures up to 200 deg C.
Literature	-- Original-techn. papers.

Timo Tuunanen

ARRL Handbook 1972
Michael Schlör

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CV4024

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