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Radio Broadcast Technical Consulting and Sales
10032 Island Drive, Brainerd, MN  56401
Phone: 218.829.1326    Fax:  218.829.2026

  Econco Tubes

Econco Rebuilt Transmitter Tubes
for Radio Stations


4CX3500A Tube used in 2.5 and 5 KW FM transmitters.  Quality rebuilt tubes, by Econco, for the radio broadcast industry.  Typical cost of rebuilding is 60% of the price of new tubes.

We also have some Econco rebuilt tubes that you can buy outright without trading in a dud.  See our Specials page.  

If you have a used tube to sell, we may be interested in purchasing it from you.  Just E-mail

Sorry...we do not have the ability to ship outside of the 50 United States.

Available from M. W. Persons and Associates, Inc. since 1986

(l-r) Lourdes Ramsey and Debbie Storz of Econco, then Paula and Mark Persons at the 2014 NAB show in Las Vegas.

Lots of great people at the show and in the Eimac/Econco booth.

We sell new Eimac tubes too.

(l-r) Mark Persons was seen here at the National Association of Broadcasters' Convention in Las Vegas in April, 2012 with Debby Storz and Lourdes Ramsey of Econco showing a transmitter tube, which needed repair big time.

Econco rebuilds tubes to look like the one on the right.  What a change.

A 5CX1500A tube is shown cut in half and encapsulated in plastic between Mark and Debbie.  

(l-r) Debbie Baker, Lourdes Ramsey, and Debbie Storz of Econco.  Then,  Mark Persons on the right. 

Photo taken at the 2005 National Association of Broadcasters' Convention in Las Vegas.

Some new tubes are available without dud trade-in Details

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page last edited 04/18/2014