Do you want a power conditioner or a voltage regulator ?
Big difference of price between both.
Furman PL8 is a surge protector / filter ( conditioner).
It will protect in case of lightning & stuff , like other said , better get a "fused" power bar in any computer shop.
It doesn't bring back voltage to 117v.
http://www.furmansound.com/product.p...=01&id=PL-8_II
If you have "funky" voltages in your neiborhood , you want a voltage regulator , takes 95v-140v and gives you 117v constantly.
Your poweramp is gonna thank you !
I have two of those. Good job , relatively cheap.
http://www.furmansound.com/product.p...=01&id=AR-1215