Is RCA what I might know as a 'phono' socket? On 29/8/07 17:07, "elecraft-request at mailman.qth.net" <elecraft-request at mailman.qth.net> sent: > PTT IN RCA Female Jack -- When one tugs at a single thing in nature, he finds it attached to the rest of the world. -John Muir, naturalist, explorer, and writer (1838-1914)