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ID = 56587
United States of America (USA)
Brand: Schickerling Products Manufacturing Co.; Newark NJ
Developer: Schickerling Products Manufacturing Co.; Newark NJ 
Tube type:  Triode, vacuum   Audio Frequency 
  Ca. 1925 up to 1945 rare.
Identical to S4000_Schickerling = UV201A = C301A

Base UV-Base (4 Pins+Bayonet, USA 1914 WE)
Was used by Radio/TV-reception etc.
Filament Vf 5 Volts / If 0.25 Ampere / Direct / Battery =

As detector 22-45 anodevolts, as amplifier 45-120 anodevolts. TYhis tube is the most common of all Schickerling tubes as it is equivalent to the ECA UV201A .

Dimensions (WHD)
incl. pins / tip
x 117 x 45 mm / x 4.61 x 1.77 inch
Weight 48 g / 1.69 oz
Tube prices 2 Tube prices (visible for members only)
Information source Tube Lore (I)   
Tube Lore (II)   p. 35

2a_uv4~~13.png S4000_Schickerling: own collection
Peter den Boer

Just Qvigstad

Collection of



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