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41ST Vacuum Tube New and Used

$9.00
41ST Vacuum Tube New and Used
41ST Vacuum Tube New and Used

Home / Shop

41ST Vacuum Tube New and Used

$9.00
Model Number: 41ST-NEW
Type 41 / 41ST power output pentode vacuum tube for vintage radio receivers, featuring a 6.3V heater and 6-pin base.
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Categories: Vacuum Tubes and Accessories
Manufacturer: Multiple Manufacturers
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  • Description
  • Specifications

The Type 41 (often designated 41ST for its shouldered-tube glass envelope) is a 6-pin power output pentode designed for audio power amplifier stages in home radio receivers and console receivers. Operating on a 6.3V heater rating, it delivers clean audio output power with low distortion in single-ended and push-pull audio configurations. Available in new old stock (NOS) and tested used conditions.

  • Type: Power Output Pentode (Audio Amplifier)

  • Base: 6-Pin UY Base (EIA 6B layout)

  • Bulb Style: ST-12 Shouldered Glass

  • Heater Voltage: 6.3V

  • Heater Current: 0.4A

  • Max Plate Voltage: 250V

  • Max Screen Grid Voltage: 250V

  • Max Plate Dissipation: 8.5W

  • Power Output: 3.4W

  • Mutual Conductance: 2,200 microsiemens (2.2 mA/V)

  • Equivalents: Type 41, 41ST, 6K6G (Octal equivalent), 42 (Higher power variant)