Antique radios, Old Time Radios

EF37

ID = 10057

Country:

Great Britain (UK)

Brand:	Mullard Radio Valve Co. Ltd.;
Developer:	Mullard Radio Valve Co. Ltd.;
Tube type:	Vacuum Pentode Audio Frequency

Identical to

EF37

Similar Tubes

Normally replaceable-slightly different:

CV1404

Other class quality (otherwise equal):

CV358 ; EF36 ; EF37A

First year

1942 -- Collector info (Sammler)

Base	Octal (Int.Octal, IO) K8A, USA 1935 (Codex=Uf) Top contact with a cap.
Filament	Vf 6.3 Volts / If 0.2 Ampere / Indirect / Parallel / series AC/DC
Description	low microfonic version of the EF36 Text in other languages (may differ)
Tube prices	3 Tube prices (visible for members only)
Information source	Taschenbuch zum Röhren-Codex 1948/49


	EF37: Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse Karel De Reus †

EF37: Private collection [PT]
Piotr Trybuchowicz

EF37: RTT 1974 (Franzis) 13. Auflage
Martin Renz

from Just Qvigstad

Usage in Models

1= 1942? ; 1= 1945?? ; 2= 1947? ; 1= 1947 ; 1= 1948?? ; 2= 1948 ; 2= 1949? ; 1= 1950?? ; 1= 1956??

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):12

Collection of Valery Gromov (RUS)

Collection of Karl - Heinz Bossan (D)

Collection of Georges Werts (B)

Collection of Piotr Trybuchowicz (PL)

Collection of Bruce Wilkie (AUS)

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