Re: [Elecraft] KX2 temperature

I have trouble with the KX2 keyer malfunctioning when I'm operating with the radio sitting outside in direct sunlight.  It happens after 20 or 30 minutes of steady contest style QSO's on SOTA activations.  I haven't spent any time troubleshooting other then trying to keep it shaded with

Re: [Elecraft] KX2 temperature

Hi Gary, We have been manufacturing the Pro Audio Engineering Kx22 Heatsink kit since 2016: https://proaudioeng.com/pae-kx22-heatsink-elecraft-kx2/ The Kx22 provides 200% or more key-down time in transmit and there is more data on

Re: [Elecraft] KX2 temperature

I expect he meant “existed for the KX2/KX3”. The Heathkit SB-230 is conduction-cooled with a beryllium oxide thermal link to conduct heat away from the anode to the heat sink. wunder K6WRU Walter Underwood CM87wj http://observer.wunderwood.org/ (my blog) > On Aug 21, 2021, at 8:04 PM, Jim

Re: [Elecraft] KX2 temperature

I guess I misspoke. I have boxes and boxes of "heat sinks" that I've collected thru the years. I use them all the time. I'm constantly looking on eBay for a size or two, for a given project, almost on a monthly basis. I had no idea that after-market heat sinks existed specifically for the KX2.

Re: [Elecraft] KX2 temperature

On 8/21/2021 7:48 PM, Gary Memory wrote: I had no idea heat sinks existed. Heat sinks have been widely used since the introduction of semi-conductors in the '50s. I don't know, but I suspect that they were used with high power tube gear. They are discussed in Chapter 4.11 of the ARRL

Re: [Elecraft] KX2 temperature

I had no idea heat sinks existed. But, I've never looked, I suppose. Looks like a good idea, but I'm guessing the radio will no longer fit in its case. I ordered a set of heat sinks to try 'em out. My process to deal with the heat is perty much what Brian said. Thanks for the thread! I learn,

Re: [Elecraft] KX2 temperature

I believe the trip temp. is 60c. The rate you get there, of course, depends a lot on power setting, mode and ambient temperature. I’ve found at normal shack ambient I can cycle FT8 pretty quickly at 7 watts. But I always monitor PA TEMP and back it down if necessary. At the beach with a 55f

Re: [Elecraft] [kx2] temperature compensation procedure for kx2 ?

No and no. 73, Lyle KK7P On 2/20/17 10:19 AM, kevino z wrote: Is there the ability or even need to perform the temp compensation / calibration procedure in the kx2... __ Elecraft mailing list Home: