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BO

Country: Germany Brand: Siemens (& Halske, -Schuckert Werke SSW, Electrogeräte); Berlin, München Tube type:  Triode, vacuum  Identical to BO = Bo First Source (s) 1926 : Saga of the Vacuum Tube, Tyne p.435 Predecessor Tubes BF   Successor Tubes OCK   Ba   Base EU-Telephone 5-pin (G5K) (Codex=sp) Was used by Telephony Filament Vf 1.7 Volts / If 1.1 Ampere / Direct / Specified voltage AND current AC/DC Description Dimensions of this tube were taken from an existing tube but may vary slightly, particularly in bulb length.   Text in other languages (may differ) Dimensions (WHD) incl. pins / tip x 110 x 48 mm / x 4.33 x 1.89 inch Weight 47 g / 1.66 oz Tube prices 5 Tube prices (visible for members only) Information source Taschenbuch zum Röhren-Codex 1948/49    Elektrotechnische Zeitschrift (ETZ)   1926, Heft 51, S. 1517 BO: Tabu Röhren-Codex, 1948 Anonymous 15 Collector Just Qvigstad BO: Elektronenr Kennl u Daten - Gehrts 1927 Trev Levick Usage in Models 4= 1925? Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):4 Museum "Primeo Energie-Elektrizitätsmuseum" Collection of Alexander Hofer (A) Robert Gillespie (USA) Hermann Scharfetter (A) Thomas F. Drescher (D) Collection of a member from D Collection of a member from D Nikolaus Löwe (D) Paweł Banach (PL) Fin Stewart (AUS) Andreas Schmid (CH) Martin Steyer (D) Uwe Rössler (D) André Bassin (D)

BO

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Gerd Junginger 03.Nov.10	1 BO (BO)  Im damaligen Preisblatt Siemens 1935 hat die Röhre 24 RM gekostet.

 

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Eckhard Kull 23.Nov.05	1 BO (BO)  Daten der Röhre BO Attachments Röhre BO (20 KB)

 

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