radiomuseum.org
Please click your language flag. Bitte Sprachflagge klicken.

CT201A

Information - Help 
ID = 44369
       
Country:
Great Britain (UK)
Brand: Cleartron Radio Ltd.; London
Developer: General Electric Co. (GE); Bridgeport CT, Syracuse NY 
Tube type:  Triode, vacuum   RF/IF-Stage 
Identical to CT201A = UV201A = C301A
First Source (s)
1925 : British Radio Valves - The Classic Years: 1926-1946 supplement, p. 17
Base UV-Base (4 Pins+Bayonet, USA 1914 WE)
Was used by Radio/TV-reception etc.
Filament Vf 5 Volts / If 0.25 Ampere / Direct
Description

This tube is identical to the CT201A made by the parent company in the USA and is probably an import from them. The tube box is clearly marked Cleartron London and Birmingham.

 
Dimensions (WHD)
incl. pins / tip		 x x 45 mm / x x 1.77 inch
Information source -- Collector info (Sammler)   Banneitz, TB der drahtl. Telephonie u.Telegr. 1927
Wireless World (The), London (WW, 79)   Cleartron Advertisement: September 1925
s_217_g_11~~1.gif CT201A: W.Sprick: Austausch-Röhren-Lexikon 1947
Günther Stabe † 19.8.20
More ...
Just Qvigstad 		ct201a_spec.png
CT201A: Banneitz, TB der drahtl. Teleph. 1927
Anonymous 15 Collector
More ...

Collection of

Peter den Boer (NL)
 
ct201a.jpg

CT201A
 
You reach this tube or valve page from a search after clicking the "tubes" tab or by clicking a tube on a radio model page. You will find thousands of tubes or valves with interesting links. You even can look up radio models with a certain tube line up. [rmxtube-en]
  
Data Compliance More Information