220v / 110v - Anthem STR Power Amplifier

Very easy to use a trasnformer.  Make sure you use an oversized transformer so it doesn't limit current on your amp.  also buy a quality transformer to avoid hum.  figure $500 to $800 but a lot cheaper than trading amps.

I agree! Buy a proper size/watts AC step-up transformer on Amazon. You don't need to spend $500!

I am afraid it may introduce noise in the system, or not? And also...the eye sore. They ain’t pretty.

You want to pack up a huge 60 pound amp and ship it across the world to Spain AND buy a $500 to $800 big, ugly transformer that may reduce the sound quality?

Duh.

Just sell it and buy something new when you get there. It's just an amp and buying new stuff is fun.

@tony1954 I am tempted to do this. But I have been trying to sell some stuff and unless you put it at half price or less, no one is buying, it's a big loss. 

Don't know your rack seup but the transformer would go behind it totally out of sight.  A good transformer will not add any noise to the electrical signal. 

Jerry

@fmartin 

Perhaps you should check HifiShark. Maybe you sell can sell everything here at half price and buy replacements in Spain for half price? No loss.

@carlsbad2 Do you know any brand of good transformers?
I see there is a type called "isolation" transformer, I assume those may be better to avoid adding noise. 

Another vote for using a transformer. Be careful on Amazon, as there are a lot of junk products that do not carry any safety certifications. 

I have been happy using Krieger brand products. They are UL and CSA certified, and utilize toroidal transformers for lower noise. They come in a number of sizes. Here is an example:

https://www.amazon.com/dp/B00HDUUL40?ref_=ppx_hzsearch_conn_dt_b_fed_asin_title_1&th=1

I would go for at least double your amp's power usage (not rated output power).

Hammond makes a very good transformer. I agree to skip the junk on Amazon.  I'd go with 1000VA at least.

https://www.digikey.com/en/products/detail/hammond-manufacturing/298FT/1305947