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Change the Power Voltage

I was following a discussion of an ad concerning a Gryphon amplifier that caused quite a stir among many,a few days ago. Part of the discussion touched on the power voltage of the amp at around 230-240v. It cited ,though ambiguously, that it can be change to 110-120v, so it can be used here in the US. 
I would like to know where can this be done. Change the power voltage. An electronics shop or dealer? Can anyone point me to the right direction? Is it possible to have a universal power selector installed instead? Is power voltage the only thing that needs to be changed and everything works well after it's done? How much does it cost? Estimates are welcome.
I am the second owner of a well cared Gryphon Callisto 2200 integrated amplifier. I tested the unit at our garage that carried a 240v line, it works.
I would like to thank everyone for any help that they can share.  Again, thank you.
mushashi78

Showing 3 responses by maxwave

maxwave's avatar
maxwave
1,001 posts
 
I have been looking at portable power generator.
https://www.goalzero.com/shop/portable-power/

And other brands
The are 110-120 v. output

A 220-240 v  output could do the job.

maxwave's avatar
maxwave
1,001 posts
 
I am interested as well by this thread.
There is a Audionet Humboldt for sale on Audiogon at a very good
price. But it is 220-240 v  .  Audionet factory in Germany refuses to change the power transformer for north america standard  , even if pay  for it. I wonder if a voltage convertor would affect the sound quality of such a high end integrated amp.  I planned to connect it in my power conditioner  . Will that works with a voltage convertor  and keeps his audio qualities ? I am nether an electrician
 nor am I very technical .
maxwave's avatar
maxwave
1,001 posts
 
@OP
If  you live in your own house, ask an electrician to bring 240v from the electrical pannel to your listening place. It is not very expensive.I rent an appartment so it is not possible for me.
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