The KR2A3 is an ultra-linear, low frequency, high power triode tube capable of producing 3-5 watts of pure class-A power. The KR Enterprise tube features a mono-plate with the new ribbon filament construction and their exclusive patent design with 32 cathodes. The KR2A3 possesses a vacuum of 10(-8) Torr, a maximum grid current of 2.0 microamperes and absolutely constant emission over the life of the tubes. All KR Enterprise tubes are warranted for a period of 2 years.

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