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A435

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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 ; 4AAF ; 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 B4 + side contact (Codex=Eo) Top contact screw type.
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 screw 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
Information source - - Manufacturers Literature   R306H 10-12-1927
L'ABCDaire des lampes de TSF des jeunes années   p. 21
-- Collector info (Sammler)
Taschenbuch zum Röhren-Codex 1948/49
euro_triode_cap.png A435: own design
Jacob Roschy

Just Qvigstad 		a435_1.png
A435: own collection
Peter den Boer
More ...
Usage in Models 1= 1927?? ; 3= 1927 ; 1= 1928? ; 1= 1928 ; 1= 1929?? ; 1= 1929 ; 2= 1930?? ; 1= 1930?
Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):11

Collection of

Thomas Lebeth (A)
John Koster (NL)
Pedro Prieto-Castro (E)
Georges Werts (B)
Tomasz Szczesniak (PL)
Collection of a member from D
Hartmut Völler (D)
Rudolf Osterkamp (D)
 
nl_philips_a435_tube.jpg

A435
 
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