[Elecraft] KX2 heatsink

[Tim McDonough N9PUZ]

On 6/18/2017 8:48 PM, Howard Hoyt wrote:

> The newer Elecraft revision with the silicone electrical isolators and 
> other PA differences will not show quite as good thermal performance as 
> the original design where the PA FETs were mounted directly to the 
> heatsink or right end panel.

Does anyone know at what serial number KX2 the PA changes were made?

Tim N9PUZ