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About

Penta Laboratories

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.

Today, Penta Laboratories is a world class manufacturer and distributor of a wide range of electron tubes and vacuum tubes. Our product line covers broadcast, industrial, research, military, medical, scientific, and high-end audio applications. We have over 8,000 stocking part numbers and an inventory far in excess of a million vacuum tubes. Our company is especially well experienced in the manufacturing of ceramic/metal vacuum tubes, triodes and tetrodes – a Penta specialty. Because of exceptionally high volumes in these key lines, Penta is uniquely positioned to support them with very competitive pricing.

The company maintains an aggressive program of product development and is positioned at the cutting edge of vacuum tube technology. By the same token, Penta Laboratories maintains an extensive inventory of replacement vacuum tubes for equipment that dates back 75 years or more.

MANUFACTURER AND DISTRIBUTOR OF ELECTRON TUBES

Penta’s commitment to excellence begins from the time our customers pick up the phone and continue all the way through the time it leaves our door. Penta is uniquely positioned as a company with the necessary resources to handle large volumes, yet is small enough to care about every order.

Our efficient state-of-the-art manufacturing operations and quality control procedures include testing to MIL Standard 1311B. In addition to US Operations, Penta has affiliated manufacturing entities in Europe and Asian.

Penta maintains an aggressive program of product development and upholding tradition. We are positioned as the manufacturer and distributor of electron and vacuum tube technology.

In addition of staying at the forefront of cutting-edge technology, Penta Laboratories maintains an extensive inventory of replacement vacuum tubes for equipment that dates back 75 years or more. Penta’s commitment to excellence begins with evaluation of design, in-house testing, overseeing the manufacturing process and is followed all the way through the distribution of the product. Penta’s stringent packaging standards ensure ample protection of each tube, and the our ability to respond quickly to orders ensures the highest possible degree of customer service.

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 equation. It is customer satisfaction that Penta Laboratories values as the foundation of its entire business.

Over 8,000 Stocking Part Numbers

Penta stocks thousands of electron tubes, vacuum tubes, triodes, diodes and tetrodes and more. Visit our Products page or contact us today to get the items that you need.