Antique radios, Old Time Radios

DE5B

Country:	Great Britain (UK)		Brand:	MO Valve Co. Ltd.; GB
			Tube type:	Triode, vacuum Audio Frequency

Tube ID = 17713

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Identical to	DE5B
Similar Tubes	Other class quality (otherwise equal): CV2892 Other characteristic (electr. data): DE5_Marconi Heater different: DE8LF
First Source (s)	Sep.1924 : British Radio Valves - The Vintage Years, Thrower p.52

Base	Europe 4-Pin (A, 4A, B4, since 1914)
Filament	Vf 6 Volts / If: 0.25 Ampere / -: Direct / -: Battery = /
Description	Filament Volt range 5 to 6 volts. Va <60-150 Z=30k. A higher voltage/gain/impedance version of the DE5 and specifically intended for RCC coupled amplifiers. Typical values:- Va 60 to 120; Amplification Factor 20 (Manufacturer's data).
Literature	Taschenbuch zum Röhren-Codex 1948/49 Dowsett - - Data from my own collection 1925 Brown Brothers Catalog 217 Babani, International Radio Tube Encyclopaedia Saga of the Vacuumtube, Tyne

DE5B: Sammlung
Ingo Moll

DE5B: Banneitz, TB der drahtl. Teleph. 1927
Anonymous 15 Collector

Usage in Models	1= 1925
Number of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe): 1

Forum contributions about this tube
DE5B
Threads: 1 | Posts: 1

Hits: 297 Replies: 0

DE5B (DE5B)

Gerhard Eisenbarth
13.Jul.11

DE5B (DE5B)

Testbericht zur Röhrentype DE5B von Marconi-Osram

Quelle: The Wireless World and Radio Review, 24. Sept. 1924

DE5B
End of forum contributions about this tube

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