[Elecraft] Product Idea - 25 Watt PA for the K3

Aaron Lee alee at aaronosaur.us
Wed Feb 22 22:06:13 EST 2017


I'm dealing with indoor and hidden antennas for the next few years, 25
watts makes it much easier to stay within uncontrolled exposure limits
than 100 watts. 25 watts is much more appropriate for my confined urban
environment. It's also enough to have fun with the CW and digital modes
I enjoy. I get nervous pushing my KX3 past 5 watts some of the 100% duty
cycle digital modes. However, I would feel much more comfortable with a
desktop rig that could push 25 watts all day long.*

Aaron Lee
AC9OH

* Right now I'm debating between a 100 watt rig and trying to keep my
fingers off of the power knob or saving my money in hopes that something
better is on the market after I move.

On Wed, Feb 22, 2017, at 03:25 PM, Harry Yingst via Elecraft wrote:
> 
> Seeing how the KPA- 500 tends to need less than 25 watts to drive it to
> full output (500 watts) It got me thinking about a 25 watt PA Option. 
> Would it be possible to replace the existing 10 watt PA board with a 25
> watt PA board that would use a larger heatsink instead of the case.
> 
> If the stock Filters and Relays can handle the 25 watts it would seem
> that it would be a more inexpensive option for those who plan on going
> with the KPA500.
> 
> Just a thought...
> 
> 
> 
> 
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