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1B4P Vacuum Tube New and Used

$6.50
1B4P Vacuum Tube New and Used
1B4P Vacuum Tube New and Used

Home / Shop

1B4P Vacuum Tube New and Used

$6.50
Model Number: 1B4PNEW
Type 1B4P 4-pin sharp-cutoff RF pentode tube with top grid cap for vintage 2-volt battery radio circuits. Available in new and used condition.
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Categories: Vacuum Tubes and Accessories
Manufacturer: Multiple Manufacturers
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  • Description
  • Specifications

The 1B4P is a 4-pin sharp-cutoff pentode with a top grid cap designed for RF and IF amplifier service in vintage battery radios. It operates on a low-drain 2.0V direct filament supply.

  • Tube Function: Sharp-Cutoff RF/IF Pentode

  • Base Design: 4-Pin Standard with Top Cap (Control Grid)

  • Glass Shape: ST-12

  • Filament Power: 2.0 Volts DC

  • Filament Draw: 0.06 Amps

  • Maximum Plate Voltage: 180 Volts

  • Maximum Screen Grid Voltage: 67.5 Volts

  • Signal Strength (Mutual Conductance): 650 micromhos

  • Cathode Heating Method: Direct (Filament)