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

A408

Information - Help 
ID = 1632
       
Country:
Germany
Brand: Valvo GmbH, Radioröhrenfabrik; Hamburg
Tube type:  Triode, vacuum   Universal 
Identical to A408
Similar Tubes
Normally replaceable-slightly different:
  A420 ; RE084
First year 1926 Tube leaflet collection E.Erb Analysis by original leaflets

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914 (Codex=Eo)
Filament Vf 4 Volts / If 0.08 Ampere / Direct / Battery =
Tube prices 6 Tube prices (visible for members only)
Information source Taschenbuch zum Röhren-Codex 1948/49   

a408_application.png
A408: Valvo-Röhren Prospekt ca. 1933
Achim Dassow

1_1.png A408: Telefunken Werkstattbuch
Wolfgang Bauer


Just Qvigstad
vv34_07.png
A408: JR
Jacob Roschy

More ...
Usage in Models 1= 1926?? ; 1= 1926? ; 2= 1926 ; 5= 1928?? ; 4= 1928? ; 7= 1928 ; 2= 1929?? ; 3= 1929? ; 2= 1929 ; 1= 1931?

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):28


Collection of

 
a408_2.jpg

A408
 

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