On Wed, 24 Jan 2007 07:50:46 GMT, "Mark & Mary Ann Weiss"
wrote:

While I've managed to order a repair kit directly from QSC for my Powerlight
6.0 PFC, QSC keeps urgently pressuring me to send the amp in for
recalibration.

(snip)

My impression is that there is little to nothing to adjust for--I'm just
replacing a switch with a new switch. Performance should be the same. Am I
missing something?

only gullibility ....