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ID = 25926
Great Britain (UK)
Brand: Marconi-Osram - (Valves/Tubes); GB
Tube type:  Triode, vacuum   Audio Frequency 
Identical to DEL610
Similar Tubes
Other characteristic (electr. data):
First year Oct.1928 - - Manufacturers Literature Date of Marconi Publication No. 520A.

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914
Was used by Radio/TV-reception etc.
Filament Vf 6 Volts / If 0.1 Ampere / Direct / Battery =

General purpose low-gain dull emitter triode; mu 15.
Low-gain version of DEH610.

Dimensions (WHD)
incl. pins / tip
46 x 103 x mm / 1.81 x 4.06 x inch
Information source - - Manufacturers Literature   Pamphlet 243
- - Manufacturers Literature   Marconi catalog No. 520, Sept. 1928

b4_base_pins~~39.png DEL610: Fin Stewart
Fin Stewart

Just Qvigstad
DEL610: own collection
Peter den Boer

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