Carl, see Jupiter manual, text on I-1 Ungrounded speaker, speakers terminals balanced load. Frank, KG9H
> On Oct 21, 2015, at 12:39 AM, Vic Rosenthal <[email protected]> wrote: > > There is a high pass filter in the K3 to protect the t/r switch. It is in the > circuit to the main antenna input. To listen to the bc band you should use > the rx antenna input which is after the h/p filter. > > Vic 4X6GP/K2VCO > Sent from my phone > >> On Oct 21, 2015, at 1:36, Carl Jón Denbow <[email protected]> wrote: >> >> I recently installed a KBPF3A in the sub receiver. I've been surprised to >> discover on direct A/B comparisons using the same antenna that my old TT >> Jupiter is much more sensitive on the broadcast band. A station that comes >> in at S-6 on the Jupiter is maybe an S-2 on the K3s. This is very >> noticeable to the ear, as you might imagine. I'm wondering if anyone else >> has noticed that the KBPF3A is not exactly optimized for the broadcast band. >> >> Also, I have another issue related to the Jupiter and the K3s. I tried to >> install my new SP3 so that I could switch between using it with the K3s and >> the Jupiter with the front switch. However, when I hook the K3s to the SP3 >> when the Jupiter is connected, it immediately mutes the speaker. I can then >> switch to the K3s connection, and it's working fine. Switch to the Jupiter >> and it's muted, unless I physically disconnect the K3s in the back of the >> SP3. I've looked at the rather simple schematic of the SP3, and I can't >> figure out why this is happening. It appears to me that something must be >> shorting ring and sleeve in the K3s, but I can't exactly figure out how his >> can be happening. Any help would be appreciated. >> >> 73, >> >> Carl >> -- >> ================================================= >> Carl Jón Denbow, N8VZ >> 17 Coventry Lane >> Athens, Ohio 45701-3718 >> >> [email protected] >> www.n8vz.com >> EM89wh >> >> IRLP 4533 Echolink 116070 >> >> PSK and JT65 Forever! >> ================================================= >> >> ______________________________________________________________ >> 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] > ______________________________________________________________ > 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] ______________________________________________________________ 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]

