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ID = 50991
Brand: SFR (S.F.R.) - Société Française Radio-Électrique; Paris
Tube type:  Vacuum Pentode   RF/IF-Stage   Controlling (mu) 
Identical to PM04 = EF93 = 6BA6
First Source (s)
01.Feb.1949 : - - Manufacturers Literature

Base Miniatur-7-Pin-Base B7G, USA 1940
Filament Vf 6.3 Volts / If 0.3 Ampere / Indirect

SFR designation for the 6BA6.

Dimensions (WHD)
incl. pins / tip
x 54 x 19 mm / x 2.13 x 0.75 inch
Information source Babani, International Radio Tube Encyclopaedia   Supplement 1951-1954
- - Manufacturers Literature   

7bk_res_18.png PM04
Emilio Ciardiello

Just Qvigstad
PM04: Babani 1951-1954
Patrice Zeissloff

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