"BigWallop" wrote in message
...

"peter" wrote in message ...
I have just bought an electrical keyboard synthersiser online, but the AC
Adapter takes a 120Volt input. I am just wondering whether the following
arrangement would be safe or not?

Mains Socket Supply- 240V-to-120V transformer-120V-to-12V Adapter for the
keyboard-Electrical Keyboard synthersiser

Also, is it safe to plug the 120V input AC Adapter directly into the 120V
socket of the "Shavers Transformer" which was marked "Shavers Only"? Why is
it that "Shavers point" are for shavers only?



As others have said, why not just buy a 240 volts AC transformer that gives an
output
of 12 Volts DC or AC whatever the keyboard takes ? The 120 V is for the US market
and
the UK market uses 240 V. Your keyboard should take either as long as the output
from
the transformer is supplied at 12 V with the appropriate ampage, or slightly higher.
The most important part of the 12 V supply output is the ampage rating from the
transformer. Without the correct ampage the keyboard won't work properly because it
draws a certain amount of load current from the supply (ampage) so check that any
transformer you buy can supply that ampage or slightly more.



As an example, this one:
http://www.eurobatteries.com/images/...00-MWS8211.jpg
costs £12.99 and has a variable output voltage at 1 amp, and it comes with different
adaptor heads for different socket connections.