Hi Ed, Yes, i key my mirage 6m amp with a cable. rf sensing i heard somtimes delays the relay time and will burn up the amps pre-amp. The 6N2 is a nice little rig that i have a lot of fun with. Larry N1YW -- Ed Purvis wrote: Will the Argo V and the 6N2 hard key amplifiers?? Ed Purvis Bradenton, Fl Ed Purvis WA4NJY Amateur radio since 1963, tube-type most of the time. __________________________________________________ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com _______________________________________________ TenTec mailing list TenTec@contesting.com http://lists.contesting.com/mailman/listinfo/tentec