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A435

Information - Help 
ID = 2454
       
Country:
Netherlands
Brand: Philips; Eindhoven (tubes international!); Miniwatt
Developer: Philips; Eindhoven (tubes international!); Miniwatt 
Tube type:  Triode, vacuum   Audio Frequency 
  Ca. 1925 up to 1945 rare.
Identical to A435
Similar Tubes
Normally replaceable-slightly different:
  407H ; A430_Philips ; B25_Radiofotos ; D40 ; RO4135
Other characteristic (electr. data):
  A635
Heater different:
  A235_Philips
Other base:
  A435_UX4
First year 1927 Tube leaflet collection E.Erb Analysis by original leaflets
Predecessor Tubes A430_Philips  

Base Europe 4-Pin (A, 4A, B4, since 1914) (Codex=Eo)
Was used by Radio/TV-reception etc.
Filament Vf 4 Volts / If 0.06 Ampere / Direct / Battery =
Description

HF amplification. The anode can be connected by the top cap (wire has to be removed), or by the anode pin (wire in place). Also made with UX4 base.

 
Dimensions (WHD)
incl. pins / tip
42 x 102 x mm / 1.65 x 4.02 x inch
Literature - - Manufacturers Literature   R306H 10-12-1927
Taschenbuch zum Röhren-Codex 1948/49   
 
nl_philips_a435_tube.jpg
A435: Ebay Auction
Franz Scharner

 
1_11.png
A435: Telefunken Werkstattbuch
Wolfgang Bauer

 
a435_1.png
A435: own collection
Peter den Boer


Usage in Models 2= 1926 ; 2= 1927 ; 1= 1928? ; 2= 1928 ; 1= 1929?? ; 2= 1930?? ; 1= 1930?

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):11


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