RG-174 is fine for one circuit. I'd really like to find some affordable shielded dual center conductor stuff somewhere. Yeah, one can always make two wire twisted pairs, but a good shield and outer jacket ends up missing. Cat-x is overkill with too many conductors.
73 de Brian/K3KO On 12/3/2010 19:45, James Sarte (K2QI) wrote: > I'm assuming however that a 2 circuit plug into a 3 circuit adapter should > be fine; i.e. plugging a 3.5mm mono plug into 1/4" stereo to 3.5mm stereo > adapter, which is then inserted into the 1/4" phone socket? > > Tnx, > James K2QI > > On Fri, Dec 3, 2010 at 2:14 PM, Jim Brown<[email protected]> wrote: > >> On 12/3/2010 8:29 AM, James Sarte (K2QI) wrote: >>> Just wanted to get some advise before I continue with my experiment. >> >> Two-circuit 1/8-in plugs should NOT be used at the output of the K3. A >> 3-circuit plug is needed. Nearly all pre-made patch cables are junk, and >> many are wired wrong for our uses. We are hams. We can MAKE our own >> patch cables, and we can study the schematics to see how to wire them. >> Elecraft schematics are on line. Good quality 1/8-inch connectors are >> made by Neutrik and Switchcraft, and are available on line from good pro >> audio vendors like Full Compass Systems in WI. I use miniature coax to >> build them (like RG174, etc.) >> >> For part numbers, see http://audiosystemsgroup.com/HamInterfacing.pdf >> There's a table on one of the slides. >> >> 73, Jim Brown K9YC >> ______________________________________________________________ >> 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 >> > > > ----- No virus found in this message. Checked by AVG - www.avg.com Version: 10.0.1170 / Virus Database: 426/3294 - Release Date: 12/03/10 ______________________________________________________________ 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
