RADIO TUBE DIVISION. NEWARK, NEW JERSEY, U. S. A.. -3.0°. -4. 0. PLATE. 1093-1.
Tube 12SF5 or Röhre 12SF5 ID3925, Triode, vacuum, Octal (Int.Octal, IO) K8A, USA 1935 and Audio Frequency shown. Radio tubes are valves.
TUBE. 12SF5. Description and Rating. HIGH-MU TRIODE AMPLIFIER. 12SF5. PAGE I. GENERAL DESCRIPTION. Principal Application: The 12SF5 is a heater- cathode type ...
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12SF5 US Brands NOS 1) RCA Victor 1948 1.2ma Gm=1600 1) RCA 1.0ma Gm=1500 1) RCA 0.7ma Gm=1400 1) RCA 1948 some surface rust around bottom edge of can 1.4ma ...