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ID = 42873
Brand: Unknown - CUSTOM BUILT; Belgium
Tube type:  Triode, vacuum 
Identical to Spheria = RE074 = A409

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914
Filament Vf 4 Volts / If 0.06 Ampere / Direct
Dimensions (WHD)
incl. pins / tip
42 x 90 x mm / 1.65 x 3.54 x inch
Weight 40 g / 1.41 oz
Tube prices 1 Tube prices (visible for members only)
Spheria: Meine Sammlung
Rudolf Osterkamp

Spheria: own collection
Peter den Boer

Spheria: own measurement
Walter Barteczek

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