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ID = 8470
Brand: Longlife, the Hague
Tube type:  Screen-grid Tetrode   RF/IF-Stage 
  Ca. 1925 up to 1945 rare.
Identical to W462 = E462
Production stop Feb.1938

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914 (Codex=Eo) Top contact screw type.
Was used by Radio/TV-reception etc.
Filament Vf 4 Volts / If 1 Ampere / Indirect / Specified voltage AC/DC

The "Röhren-codex" lists this tube as a Thermion tube, but the brand is Longlife.

Dimensions (WHD)
incl. pins / tip
48 x 137 x 35 mm / 1.89 x 5.39 x 1.38 inch
Weight 60 g / 2.12 oz
Information source Taschenbuch zum Röhren-Codex 1948/49   
- - Manufacturers Literature   1-2-1935

w462_so.png W462: rtt
Anonymous 10 Collector

Just Qvigstad

Collection of

Collection of a member from D



Most Longlife tubes can be found in 3 variants. As Longlife (see picture above), Longlife Superior and Longlife Perfect. The dimensions of the Longlife Perfect W462 are 44 x 149 x 35 mm, weight 53 gram. The iemensions of the Longlife Superior W462 are 43 x 135 x 35 mm, weight 66 gram.

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