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Penta Laboratories has been the worldwide leader in vacuum tubes, electron tubes and capacitors since 1951.

Penta Laboratories was founded in 1951, and quickly achieved industry-wide recognition for the development of the beam-power Pentode vacuum tube. In 1973 the firm was acquired by The Raytheon Corporation, and has ultimately become a wholly owned subsidiary of Penta Financial, Inc. Penta is uniquely positioned as a company with the necessary resources to handle large volumes, yet is small enough to care about every order. Penta's customers are, after all, the most important element in the equati...

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