The 6G6C is a low-drain power output pentode vacuum tube designed for battery-operated radio receivers, portable communications equipment, and low-power audio amplifier stages. Engineered specifically for low current consumption, it delivers power output while drawing only 150mA of heater current. It features a standard glass envelope structure and operates on a 6.3V filament rating with an 8-pin octal base. Available NOS and tested used.