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

3D21WB

Information - Help 
ID = 42445
       
 
   
Tube type:  Beam Power Tube   beam power   Text 
Identical to 3D21WB
Similar Tubes
Other class quality (otherwise equal):
  3D21B

Base Octal (Int.Octal, IO) K8A, USA 1935 Top contact with a cap.
Was used by Military and/or Government
Filament Vf 12.6 Volts / If 0.85 Ampere / Indirect
Description Pulse Beam Power Tetrode.
Ruggedized version of 3D21B. 
Text in other languages (may differ)
Dimensions (WHD)
incl. pins / tip
38 x 119 x mm / 1.50 x 4.69 x inch
Weight 113 g / 3.99 oz

3d21wb_tsol_sock.png 3D21WB: Tung-Sol
Götz Linss † 27.06.21

More ...

Just Qvigstad
3d21wb_tsol_tech1.png
3D21WB: Tung-Sol
Götz Linss † 27.06.21

More ...

Collection of

 
usa_tungssol_3d21wb_bild1.jpg

3D21WB
 

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