[Elecraft] K3 SO2R Question

[Igor Sokolov]

Starting what serial numbers please.

73, Igor UA9CDC

> 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)
>>
>>
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