Tube 6SB7Y or Röhre 6SB7Y ID3959, Pentagrid-Converter (Heptode), Octal (Int.Octal, IO) K8A, USA 1935 and Pentagrid (new) shown. Radio tubes are valves.
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Pentagrid metal tube designed for use as a combined mixer and oscillator in superheterodyne circuits. Especially useful in FM receiver service below 120 ...
0.3. AMP. MAXIMUM PLATE VOLTAGE. 300. VOLTS. MAXIMUM GRIDS 2 & 4 VOLTAGE. 100. VOLTS. MAXIMUM GRIDS 2 & 4 SUPPLY VOLTAGE.