Name: 1B4 Use: RF Amplifier Pentode Notes: Requires a 4- pin socket. |
1B4 RF Amplifier Pentode Data Source . . . . . . . . . . Collins 1940 Heater or Filament Voltage. . . 2.0 volts Heater or Filament Current. . . 0.06 amperes EIA Base. . . . . . . . . . . . 4M Substitutes . . . . . . . . . . 1E5G |
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