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VH300

Information - Help 
ID = 13131
       
Country:
Netherlands
Brand: Splendor Lampenfabriek; Nijmegen
Developer: Splendor Lampenfabriek; Nijmegen 
Tube type:  Screen-grid Tetrode   RF/IF-Stage 
  Ca. 1925 up to 1945 rare.
Identical to VH300
Similar Tubes
Normally replaceable-slightly different:
  A442
First Source (s)
1928 : Saga of the Vacuum Tube, Tyne p.426
Production stop 09.May.1930

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914 (Codex=Er) Top contact screw type.
Filament Vf 4 Volts / If 0.08 Ampere / Direct / Battery =
Description Radio-Expres, 1929 give If=0.08A. gm=0.8mA/V at Va=150 Ra=370k. 
Dimensions (WHD)
incl. pins / tip
43 x 133 x 31 mm / 1.69 x 5.24 x 1.22 inch
Weight 55 g / 1.94 oz
Information source - - Manufacturers Literature   1928
Radio-Expres, Netherlands   

3_1~~2.png VH300: Telefunken Werkstattbuch
Wolfgang Bauer


Just Qvigstad
vh300data.png
VH300: own collection
Peter den Boer

Usage in Models 1= 1929?

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

Collection of

 
vh300_bild1.png

VH300
 

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