radiomuseum.org

 
Please click your language flag. Bitte Sprachflagge klicken.

AT25

Information - Help 
ID = 28400
       
Country:
Great Britain (UK)
Brand:
Tube type:  Transmitting Triode, air cooled   Power/Output 
  <1925 very rare. ***
Identical to AT25 = T25
First year 1922 Saga of the Vacuumtube, Tyne Seite 381

Base Europe 4-Pin (A, 4A, B4, since 1914)
Was used by Transmittertube (Radio)
Filament Vf 5.5 Volts / Direct / Battery =
Description

Made for the British Army. Also made by Mullard and Ediswan. Ediswan tube used their chahacteristic 4 "pillar" element mounting.

 
Dimensions (WHD)
incl. pins / tip
108 x 55 x mm / 4.25 x 2.17 x inch
Literature British Radio Valves - The Vintage Years, Thrower   p.77
 
at25.jpg
AT25: Fin Stewart collection
Fin Stewart

 
b4.png
AT25: Fin Stewart
Fin Stewart

 


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