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ID = 21466
Brand: Telefunken Deutschland (TFK), (Gesellschaft für drahtlose Telegraphie Telefunken mbH
Tube type:  Transmitting Tube, Pentode, air cooled 
Identical to RS684
Similar Tubes
Other base and data slightly different:
Successor Tubes 5SO45T  

Base SPECIAL TUBEBASE in general 2 Top contacts.
Filament Vf 12.6 Volts / If 8 Ampere / Direct / Specified voltage AC/DC
Description Sendepentode, Telefunken RS684 (RS 684) 
Dimensions (WHD)
incl. pins / tip
102 x 226 x mm / 4.02 x 8.90 x inch
Weight 450 g / 15.87 oz
Tube prices 1 Tube prices (visible for members only)
Information source

rs684_sockel.png RS684: electronic univ. vademecum,Warszawa1964
Anonymous 384 Collector

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RS684: Telefunken Taschenbuch 1971
Anonymous 15 Collector

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Collection of

Collection of a member from D
Collection of a member from D


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