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Information - Help 
ID = 41521
Brand: SER, AB Svenska Elektronrör (before Svenska Radio AB); Stockholm
Tube type:  Vacuum Pentode   RF/IF-Stage   Controlling (mu) 
Identical to 6H2 = EF22 = 6F22_Sweden

Base Loctal-8, B8G (Sylvania, 1938)
Filament Vf 6.3 Volts / If 0.2 Ampere / Indirect / Parallel / series AC/DC /
Description 6H2 = kundenspezifische Labelung? 
Text in other languages (may differ)
Dimensions (WHD)
incl. pins / tip
31 x 75 x mm / 1.22 x 2.95 x inch
Weight 32 g / 1.13 oz

6H2: O.F.
Otto Frosinn

6H2: o
Anonymous 15 Collector


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