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DEP240

País: Gran Bretaña (GB) Marca: Marconi-Osram - (Valves/Tubes); GB Tipo:  Triode, vacuum   Power/Output    Ca. 1925 up to 1945 rare. Idéntica a DEP240 Primera serie Oct.1928 - - Manufacturers Literature Date of Marconi Publication No. 520A. Base Europe 4-Pin B4 (Eu A, E, 4A) 1914 Filamento Vf 2 Volt / If 0.4 Ampere / Direct / Battery = Descripción Dull emitter super-power output triode, for use in the last stage of audio amplifying chains. Amplification factor 4; 2500 ohm impedance; 150V anode voltage with 17mA average current at 24V negative grid bias.   This tube was announced in a manufacturer's advertisement in the Wireless World of October 12 1926.   Dimensiones (Alt,Ancho,Prof.) incl.pins/tip 46 x 103 x mm / 1.81 x 4.06 x inch Literatura - - Manufacturers Literature   Grundig Röhren-Taschenbuch, 1948 - - Manufacturers Literature   Pamphlet 243 DEP240: M Hamm Maurice Hamm Just Qvigstad DEP240: own collection Peter den Boer † 2025 Mas ... Colección personal de Maurice Hamm (NL)

DEP240

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Entradas: 2622     Réplicas: 1 DEP240 (DEP240)
Maurice Hamm 29.Dec.06	1 DEP240 (DEP240)  Habe dieses valve in eines zelbstbouw radio Folgendes valves: HL210, DEP240 und PM2. DEP240 gar kein info Nur ein bemerkung das es ungefer ein B205 handelt. Nach mailing zu einer english man had er die folgende bemerkung gemacht. P is Power OUTPUT Valve nummer 240 = 2V Filiament 0,4 Amps Anode 120-150V Text auf glass: Genau:  D.Ë.P. 240  (umlaut auf E) Made in England Patented Marconi Valve mit logo: BVA British Radio Valve
Konrad Birkner † 12.08.2014 22.Jun.08	2 Sin asunto  -  P doesn't necessarily mean Power (e.g. PM1 or PM12 or PM3 or PM5X) -  DE often stands for Dull Emitter -  B205 would be for a P240

 

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