Equi Tech is the name most often seen in audiophile circles, not sure if they have step up / step down versions, but worth checking... :)
They are much more expensive than the autotransformer version due to the raw materials involved.
But also use google. I found an interesting link like this one:
http://www.6moons.com/audioreviews/240_117/240_117.html
Best,
E
They are much more expensive than the autotransformer version due to the raw materials involved.
But also use google. I found an interesting link like this one:
http://www.6moons.com/audioreviews/240_117/240_117.html
Best,
E