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ID = 6148
Tube type:  Triode, vacuum   UHF 
Identical to 7245A
Similar Tubes
Normally replaceable-slightly different:
Predecessor Tubes 6J4  

Base Miniatur-7-Pin-Base B7G, USA 1940
Filament Vf 6.3 Volts / If 0.4 Ampere / Indirect
Description Premium quality 6J4, shorter envelope; stacked ceramic spaced structure.
Sylvania and GE known manufacturers. 
Information source Essential Characteristics, GE 1973   
Tube Lore (I)   

7245a_sockel.png 7245A: Essential characteristics
Peter Hoddow

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