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26 Vacuum Tube New and Used

$20.00
26 Vacuum Tube New and Used
26 Vacuum Tube New and Used

Home / Shop

26 Vacuum Tube New and Used

$20.00
Model Number: 26NEW
Type 26 4-pin directly heated triode tube for vintage AC radio receiver amplifier stages. 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 Type 26 (originally designated UX-226 or CX-326) is a 4-pin directly heated triode designed for radio-frequency and audio-frequency amplifier service in early line-operated AC radio receivers. Introduced by RCA and Cunningham in 1927, it features a thick oxide-coated filament operating at 1.5 volts, engineered to minimize hum when powered directly by alternating current.

  • Tube Function: Directly Heated Triode (RF / AF Amplifier)

  • Base Design: 4-Pin Standard Base (UX4 / Bayonet)

  • Glass Shape: S-14, ST-14, or Globe (S-12)

  • Filament Voltage: 1.5 Volts AC / DC

  • Filament Current: 1.05 Amps

  • Maximum Plate Voltage: 180 Volts DC

  • Amplification Factor (Mu): 8.3

  • Plate Resistance: 7,300 Ohms

  • Transconductance: 1,150 micromhos

  • Cathode Heating Method: Direct (Filament)