Tube prices have already skyrocketed. Even the Chinese makers have caught on to
the fact that they can charge more.
Econco’s main business was rebuilding tubes for broadcasters. Most AM/FM
broadcasters got rid of their tube transmitters years ago.
In most cases the power savings alone were enough to pay for the cost of a new
solid state transmitter.
Eimac is now a minor shrinking division of CPI. I’d not be surprised to see
them soon shut down. I think Burle (the former tube division of RCA) is still
making a few tube types in Pennsylvania, probably for military contracts.
The last I checked Burle was still making the 8122 tubes that I use in my
National NCL-2000’s. The 8122 was often used as the driver tube in higher power
shipboard transmitters.
73,
Doug/ WA1TUT
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