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6AT6 Vacuum Tube New and Used

$4.50
6AT6 Vacuum Tube New and Used
6AT6 Vacuum Tube New and Used

Home / Shop

6AT6 Vacuum Tube New and Used

$4.50
Model Number: 6AT6NEW
6AT6 twin diode high-mu triode vacuum tube for radio detector, AGC, and first audio amplifier stages, featuring a 6.3V heater and 7-pin miniature base.
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Categories: Vacuum Tubes and Accessories
Manufacturer: Multiple Manufacturers
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  • Description
  • Specifications

The 6AT6 is a 7-pin miniature multi-unit tube combining two diodes and a high-mu triode in a single glass envelope. Widely used in mid-century broadcast radio receivers, the diode sections perform AM detection and AGC voltage generation, while the triode section operates as the first audio voltage amplifier. It serves as a miniature equivalent to octal tubes like the 6SQ7. Operates on a 6.3V heater and fits standard 7-pin miniature sockets. European equivalent is EBC90. Available NOS and tested used.

  • Type: Dual Diode / High-Mu Triode (Detector / AGC / Audio Amplifier)

  • Base: 7-Pin Miniature (EIA 7E / B7G)

  • Heater Voltage: 6.3V

  • Heater Current: 0.3A

  • Max Plate Voltage (Triode): 300V

  • Max Plate Dissipation (Triode): 0.5W

  • Amplification Factor (Mu, Triode): 70

  • Transconductance (Triode): 1.2 mA/V (1200 micromhos)

  • Equivalents & Relatives: 6AT6, EBC90, CV450, 6SQ7 / 6SQ7GT (octal equivalent), 12AT6 (12.6V heater version), 6AV6 (higher mu equivalent)