Antique radios, Old Time Radios

M8137

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

Tube ID = 27800


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Identical to	M8137 = 6057 = CV4004
Similar Tubes	Other class quality (otherwise equal): CV492; ECC83

Base	Loctal-9-Pin (B9G)
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 ECC83, CV492. Heater centre-tapped for dual voltage operation.

RFJ
Roy Johnson

ARRL Handbook 1972
Michael Schlör

Mullard - original papers
Wolfgang Romeyke

No further Information for

M8137

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