[Elecraft] K3 SO2R Question

[Eric Swartz - WA6HHQ, Elecraft]

All New K3s for some time have had this change made at the factory 
before they ship.

73, Eric


On 3/8/2010 4:04 PM, Brett Howard wrote:
> http://www.elecraft.com/K3/mods/K3%20rx%20protection%20mod,%20rev%20B.pdf
>
> That document explains a mod that you should definitely make sure is
> in place in your radio if you're worried about this condition.  I had
> one of Q8 and Q9 blow in my radio after too much power came back in
> from another operator who told me he *WAS* staying off of 20 meter
> like to told him to do he was down on 14 meters!  ;)  Anyway we
> replaced the Q and the rig came back to life.  But if you view that
> document it says that when you get to +13 to +20dBm it will
> automatically engage the preamp for you.  +20dBm is 100mW so that
> would at least give you an added 10dB of protection on your way up to
> the 1-2W realm.
>
> ~Brett (KC7OTG)
>
>