I was only speaking in the general case. Most of the time GSM phones are not "talking", only during a call or data transfer. GSM interference has a very distinctive sound, as does a 60 Hz hum; they are both completely different beasts.


Pioneer PDP-5020FD, Marantz SR6011
Axiom M5HP, VP160HP, QS8
Sony PS4, surround backs
-Chris