15-Jun-2015, 21:01
I believe that 120v is 60 cycles, and 240 comes through at 50. Note, however, that I am not an electrician. I think electricity is like magic; unpredictable and impossible to understand.
Damon
Powernode, NAD M32, Cambridge CD transport, Analysis Plus, Nordost, iFi Nova, CSS Criton 1TDX, KEF C62
Vancouver, Canada