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H410D

Information - Help 
ID = 12748
       
Country:
Germany
Brand: Valvo Radioröhrenfabrik GmbH; Hamburg
Tube type:  Screen-grid Tetrode   RF/IF-Stage 
Identical to H410D = B442 = DZ2 = R81 = H410/D = TB42
Similar Tubes
Normally replaceable-slightly different:
  B442/A ; S409
Other characteristic (electr. data):
  RES094
Heater different:
  H410DS
Other base:
  H410D_5pin
First year 1930 Tube leaflet collection E.Erb Analysis by original leaflets

Base Europe 4-Pin (A, 4A, B4, since 1914) (Codex=Er) Top contact screw type
Was used by Radio/TV-reception etc.
Filament Vf 4 Volts / If 0.1 Ampere / Direct / Battery =
Description

Die H410D wurde auch mit 5-poligem Sockel gefertigt, wobei der Mittelstift mit der Abschirmung verbunden ist. Beim 4-Stift-Sockel liegt die Abschirmung auf einem Heizfadenende.

 
Tube prices 3 Tube prices (visible for members only)
Literature Taschenbuch zum Röhren-Codex 1948/49   
 
h410d_3.jpg
H410D
Roland Biesler

 
3_9.png
H410D: Telefunken Werkstattbuch
Wolfgang Bauer

 
h410d_spec.png
H410D: RVF-Röhrenbuch-M1,1947
Anonymous 15 Collector


Usage in Models 1= 1933

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):1


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