Thanks, Frank. That's interesting because the shield is usually grounded. I guess this means I'm muting the Jupiter speaker when I connect the K3s because I'm grounding the floating Jupiter speaker circuit to the K3s ground. 73 de Carl, N8VZ
Sent from my iPhone > On Oct 21, 2015, at 6:29 AM, "kg9hfr...@gmail.com" <kg9hfr...@gmail.com> > wrote: > > > 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 <k2vco....@gmail.com> 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 <c...@n8vz.com> 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 >>> >>> c...@n8vz.com >>> 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:Elecraft@mailman.qth.net >>> >>> This list hosted by: http://www.qsl.net >>> Please help support this email list: http://www.qsl.net/donate.html >>> Message delivered to k2vco....@gmail.com >> ______________________________________________________________ >> Elecraft mailing list >> Home: http://mailman.qth.net/mailman/listinfo/elecraft >> Help: http://mailman.qth.net/mmfaq.htm >> Post: mailto:Elecraft@mailman.qth.net >> >> This list hosted by: http://www.qsl.net >> Please help support this email list: http://www.qsl.net/donate.html >> Message delivered to kg9hfr...@gmail.com > ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to arch...@mail-archive.com