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258

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ID = 9678
       
Country:
United States of America (USA)
Brand: Common type USA tube/semicond.
Developer: RCA (RCA Victor Co. Inc.); New York (NY) 
Tube type:  Vacuum Pentode   RF/IF-Stage   Controlling (mu) 
Identical to 258 = ER58 = PH258 = 58 = A258 = VT-58 = UZ58A = NU-58L
Base 6-Pin-Base U6A, old, USA (Codex=Kf) Top contact with a cap.
Was used by Radio/TV-reception etc.
Filament Vf 2.5 Volts / If 1 Ampere / Indirect / Specified voltage AC/DC
Dimensions (WHD)
incl. pins / tip		 x 123 x 39 mm / x 4.84 x 1.54 inch
Weight 42 g / 1.48 oz
Information source Taschenbuch zum Röhren-Codex 1948/49   
Röhrencodex , Röhren-Taschenbuch 1950 23000 Röhren   
s_241_g_2.gif 258: W.Sprick: Austausch-Röhren-Lexikon 1947
Günther Stabe † 19.8.20

Just Qvigstad
Usage in Models 1= 1933? ; 1= 1933
Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):2

Collection of

Patrice Zeissloff (F)
 
258speedph2s.jpg

 
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