The system will work fine.

FWIW, however, when the fiddler with whom I played in Florida came over here at New Year she brought her radio pick-up system with her which requires 110 volts.

I supplied a transformer, but the system wouldn't stop emitting an annoying hiss, so eventually she had to play unplugged. Not a problem, she is pretty loud.

I attributed the problem to the cycle difference in UK electricity, 50Hz (UK) as opposed to 60Hz (US). But of course I could be totally wrong.

Murray