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Questions about tubes and gear that glows. FAQ

Cetron has a fascinating history...

At least if you are into the history behind vacuum tube production, as I am. The below outlines the history of that company AND answers your question - YES - Cetron bought many Tung-Sol tube lines, including the 7236.

• 1927 O.T. Mcllvance Leaves GE And Starts Continental Electric
Co., With His Brother H.A., In The Old Geneva Organ Co. Building (Richardson Still Uses This Building Today To Store & Test Tubes)
• 1941 – 1945 Continental Electric Builds Tubes For WW II
- Phototubes
- Thyratrons
- Rectifiers
• 1947 – Richardson Electronics, Ltd. Is Formed By Art Richardson Sr.
• 1949 – Disgruntled Engineers R. Hutchings & L. Prevost Leave
Continental to Form National Electronics
• 1955 Continental Starts Selling Products Other Than Vacuum Tubes
1958 – Continental Incorporates Taylor Tubes of Chicago - The Start
Of Building Power Grid Tubes like 805, 810, 845, 8000 etc....
• 1962 - Continental Phased Out Production Of CRT's and Non-Tube Products Tubes For WW II

• R. Packard Purchase Controlling Interest And Change The Company
• 1972 - Cetron Starts Building 300B

• 1975 - Cetron Acquires Bloomfield Electronics And
Tung-Sol Tube Types 6336, 6384, 6528 etc...

• Cetron Focuses On T&R, Power Grid Types For U.S.
Government Contracts
• 1979 – Cetron Acquires RCA Photo Tube Production Line
• 1980 - 1981 Richardson Electronics-Concerned That Tube Manufactures Are Exiting The Business – Acquires National And Cetron In Order To Maintain A On Going Supply Of tubes For Their Customers
• 1982 – 1986 Richardson Consolidates The Cetron & National Plants
• Acquires Additional Tube Types From GE, RCA And Westinghouse
• Continues To Supply Tubes To U.S. Government
• Starts to Supply Western Electric Tubes

• 1988 – Acquires Production Equipment From Western Electric
• 1987 up to present Richardson Electronics Continues To Produce Tubes And Has Expanded Product Offerings In solid State Devices And
Security Systems

Note the last item - Richardson Electronics continues to manufacture tubes - although I don't think the LaFox Illinois based company is making them in the USA...they are getting Russian tubes and branding them Narional Electronics, since they own the brand. But you CAN buy tubes from them, even today!


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