[Elecraft] KX2 temperature

[Walter Underwood]

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 Brown <jim at audiosystemsgroup.com> wrote:
> 
> 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 Handbook.
> 
> 73, Jim K9YC