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6AH4GT Vacuum Tube New and Used

- Description
- Specifications
The 6AH4GT is an octal-base power triode housed in a tubular T-9 glass envelope. Designed primarily for vertical deflection amplifier service in television receivers, it features high perveance, low plate resistance, and high peak pulse voltage ratings. Due to its clean triode linearity and power handling, it is also popular among audio builders as a single-ended or push-pull audio driver and output tube. Operates on a 6.3V heater and fits standard 8-pin octal sockets. Available NOS and tested used.
Type: Medium-Mu Power Triode (Vertical Deflection / Audio Power)
Base: 8-Pin Octal (EIA 8R — Pins 2/7 Heater)
Heater Voltage: 6.3V
Heater Current: 0.75A
Max Plate Voltage: 250V (Continuous) / 1500V (Positive Pulse Peak)
Max Plate Dissipation: 7.5W
Amplification Factor (Mu): 8.0
Transconductance: 4.5 mA/V (4500 micromhos)
Equivalents & Relatives: 6AH4GT, 6AH4, 12AH4GT (12.6V heater version), 6CK4 (similar vertical output triode)