radiomuseum.org

 
Please click your language flag. Bitte Sprachflagge klicken.

400_McCullough-3volt

Information - Help 
ID = 35282
       
Country:
United States of America (USA)
Brand: McCullough, Frederick, S. Co.; Wilkinsburg, later Sales Company; Pittsburg
Developer: McCullough, Frederick, S. Co.; Wilkinsburg, later Sales Company; Pittsburg 
Tube type:  Triode, vacuum   Universal 
  Ca. 1925 up to 1945 rare.
Identical to 400_McCullough-3volt
Similar Tubes
Heater different:
  400_McCullough-4volt
Successor Tubes 401_McCullough  

Base UV-Base (4 Pins+Bayonet, USA 1914 WE) 2 Top contacts
Was used by Radio/TV-reception etc.
Filament Vf 3 Volts / If 1 Ampere / Indirect
Dimensions (WHD)
incl. pins / tip
41 x 130 x mm / 1.61 x 5.12 x inch
Weight 46 g / 1.62 oz
Literature - - Manufacturers Literature   
 
usa_mccullough_400.jpg
400_McCullough-3volt: O.F.
Otto Frosinn

 
uv4_mccullough.png
400_McCullough-3volt: own collection
Peter den Boer

 
usa_mccullough_400_use_1.png
400_McCullough-3volt: leaflet in tubebox
Otto Frosinn



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]
  
rmXorg