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A635_UX4

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ID = 19778
       
Country:
Netherlands
Brand: Philips; Eindhoven (tubes international!); Miniwatt
Developer: Philips; Eindhoven (tubes international!); Miniwatt 
Tube type:  Triode, vacuum   VHF 
  Ca. 1925 up to 1945 rare.
Identical to A635_UX4
Similar Tubes
Other base:
  A635
Base UX-Base (4 Pins (2 thick, USA 1924, UX) Top contact screw type.
Was used by Radio/TV-reception etc.
Filament Vf 6 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 B4 base. For HF amplification, the top connection should be used.

 
Dimensions (WHD)
incl. pins / tip		 41 x 114 x 34 mm / 1.61 x 4.49 x 1.34 inch
Weight 52 g / 1.83 oz
Information source Babani, International Radio Tube Encyclopaedia   Röhren-Austausch-Lexikon 1947 W.Sprick
- - Manufacturers Literature   Rif-26 Philips Australia
-- Collector info (Sammler)
a435-a635ux4base.png A635_UX4
Peter den Boer † 2025

Just Qvigstad 		a435-a635data.png
A635_UX4: own collection
Peter den Boer † 2025

Collection of

Peter den Boer † 2025 (NL)
Tomasz Szczesniak (PL)
Fin Stewart (AUS)
 
a635-ux.jpg

A635_UX4
 
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