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42 Vacuum Tube New and Used

$25.00
42 Vacuum Tube New and Used
42 Vacuum Tube New and Used

Home / Shop

42 Vacuum Tube New and Used

$25.00
Model Number: 42NEW
Type 42 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 42 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 higher output power than the Type 41 in both 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-14 Shouldered Glass

  • Heater Voltage: 6.3V

  • Heater Current: 0.7A

  • Max Plate Voltage: 250V

  • Max Screen Grid Voltage: 250V

  • Max Plate Dissipation: 11.0W

  • Power Output: 3.2W (Single-ended Class A) / 13W (Push-Pull Class AB)

  • Mutual Conductance: 2,500 microsiemens (2.5 mA/V)

  • Equivalents: Type 42, 6F6G (Octal equivalent), 2A5 (2.5V heater variant)