Mark — There may be some non-anecdotal data about this, but just from my experience having 35 watts in and 400 out is not typical. On most bands I run about 23 - 25 in for 500+ out, using a K3 as the driver.
Ted, KN1CBR >------------------------------ > >Message: 20 >Date: Sun, 15 Nov 2015 13:24:46 -0700 >From: Mark Goldberg <[email protected]> >To: Elecraft Mailing List <[email protected]> >Subject: [Elecraft] KPA500 RX Attenuation and TX Without Amp Key >Message-ID: > <CAKn+a3uBpE2dTAwSF+oi+EHj5XAyZ_d3fy=lq8f4hyabuyc...@mail.gmail.com> >Content-Type: text/plain; charset=UTF-8 > >I will contact Elecraft tomorrow, but posting in case someone >recognizes the symptoms. > >I just put together a new KPA500 kit. When I select Operate, the RX >through the amplifier is significantly attenuated, many 10s of dBs. >The amp will also amplify even with nothing connected to the PA Key >RCA jack. It seems to amplify OK, 35W in gives 400W out. In Standby >the RX and TX pass through the amp as expected. > >It seems to me that it thinks PA Key is enabled all of the time, so >when I switch to operate it is in TX mode immediately. I do not see a >short at the RCA jack. > >Any idea of what is going on? > >Mark >W7MLG ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[email protected] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to [email protected]

