Just an opine. Since these are ROOFING filters, and not the means of determining the radio’s ultimate selectivity, you may not notice a substantial performance improvement of the radio with 8-pole vs 6-pole filters.
I have my flame suit on, just in case — (it can be almost guaranteed to be needed around here). :-) Grant NQ5T K3 #2091 KX3 #8342 > On Feb 27, 2019, at 12:33 PM, Carl Jón Denbow <c...@n8vz.com> wrote: > > To put a wrapper on this thread: I ended up ordering two 400Hz filter direct > from Inrad. They had them clearly marked as eight pole and said they were > mount-compatible with the K3. I had email exchanges with K3 support, most > of which were helpful, but the question about a KFL3C-400 eight-pole filter > went unanswered. They seem to have a problem in this area. Not exactly sure > why. Uncharacteristic. So, I have two 6-pole 400Hz filters for sale! You > can find an ad for them on qth.com: > https://swap.qth.com/search-results.php?keywords=n8vz&fieldtosearch=call > ______________________________________________________________ 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
