The new KR300BXLS is an ultra-linear, low frequency, high power triode tube capable of producing 25 watts of pure class-A power. This tube features a new ribbon filament construction and the KR Enterprise exclusive patent design with 32 cathodes. The KR300BXLS tubes possess a vacuum of 10(-8) Torr, a maximum grid current of 2.0 microamperes and absolutely constant emission over the life of the tube. All KR Enterprise tubes are warranted for a period of 1 year.

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