Please click your language flag. Bitte Sprachflagge klicken.


Information - Help 
ID = 28978
Great Britain (UK)
Brand: Standard Telephones and Cables Ltd. (STC); London, Foots Cray
Tube type:  Triode, vacuum   Audio Frequency 
Identical to 4102D = VT32 = CV1640 = 209A = SY4102D = 102DW = VT32B = 209A_Wecoltd
Similar Tubes
Normally replaceable-slightly different:
  102D ; 102F ; 102G ; 3A/142A ; 3A/142AY ; 4102E
Heater different:

Base UV-Base (4 Pins+Bayonet, USA 1914 WE)
Filament Vf 2 Volts / If 1 Ampere / Direct / Battery =
Description Tyne quotes the filament current as 0.25A for this tube. 
Tube prices 1 Tube prices (visible for members only)
Literature Saga of the Vacuum Tube, Tyne   page 367-369
4102D: my collection
Giuseppe Antonio Tusini

4102D: RTT 10. Auflage
Gerhard Eisenbarth

4102D: Herstellerunterlagen
Gerhard Eisenbarth

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]