I remember the bright yellow glow from the final in my Heathkit DX-40 when I forgot to connect the antenna. At least the plate didn't melt and the tube still worked.

I had a 100W K3 with no tuner and one of my antennas needed a tuner, probably for 30M. I used the T1, with the caveat that I would always lower the power when running through it. Well, I screwed up one time. I think what I noticed was that as my PSK31 macro ran, the SWR kept rising.

I think I got the cores hot enough to change their magnetic properties. When they cooled off, everything went back to normal.

But as I said, Elecraft equipment tends to survive forays well outside their specs.

73 Bill AE6JV

On 4/7/19 at 11:47 AM, [email protected] (Wayne Burdick) wrote:

Bill Frantz wrote:

(I won't mention...

too late!

the time I ran 100W through a T1 tuner. It wasn't for long and the tuner survived.)

Ouch. We did T1 tests at 50 W to make sure it could handle 20 W, and even that was an invitation-only event, with observers at a distance wearing safety goggles. How long it would survive a KPA1500 is left as an exercise for the reader. I'm imagining a soft blue glow from the toroids.

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Bill Frantz        | Security is like Government  | Periwinkle
(408)356-8506 | services. The market doesn't | 16345 Englewood Ave www.pwpconsult.com | want to pay for them. | Los Gatos, CA 95032

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