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BO

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ID = 13844
       
Country:
Germany
Brand: Siemens; D (S.& Halske / S. Electrogeräte)
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 / Defined Voltage AND Current AC/DC
Description Dimensions of this tube were taken from an existing tube but may vary slightly, particularly in bulb length. 
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 4 Tube prices (visible for members only)
Information source Taschenbuch zum Röhren-Codex 1948/49   
 
bo.jpg
BO: Eigene Sammlung
Martin Steyer
 
bo_sock.png
BO: Tabu Röhren-Codex, 1948
Anonymous 15 Collector
 
bo_daten_kennl.png
BO: Elektronenr Kennl u Daten - Gehrts 1927
Trev Levick

from Just Qvigstad
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 Martin Steyer (D)
Collection of André Bassin (D)
Collection of Thomas F. Drescher (D)
Collection of Uwe Rössler (D)
Collection of Hermann Scharfetter (A)
Collection of Nikolaus Löwe (D)
Collection of Andreas Schmid (CH)
Collection of a member from D
Collection of Fin Stewart (AUS)
Collection of Alexander Hofer (A)
Collection of a member from D
Forum contributions about this tube
BO
Threads: 2 | Posts: 2
Hits: 2403     Replies: 0
BO (BO)
Gerd Junginger
03.Nov.10 		  1
BO (BO) 

Im damaligen Preisblatt Siemens 1935 hat die Röhre 24 RM gekostet.
 
Hits: 1877     Replies: 0
BO (BO)
Eckhard Kull
23.Nov.05 		  1
BO (BO) 
Daten der Röhre BO

Attachments

 
BO
End of forum contributions about this tube
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