Some of those use what's called a "Bantam" jack plug for one function (Mic or Can's, I forget which.) Was very common in landline telecoms and broadcast circles some time back.
Best bet, is to look on the David Clark website. They are also quite helpful if you contact them too. http://www.davidclarkcompany.com/ http://www.davidclarkcompany.com/aviation/customer-service.php But be quick, they have a company shutdown July 3rd to 7th (Cant think why!) 73. Dave G0WBX. ______________________________________________________________ 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