You should be fine with that piece. Even if the transformers weren't the same, the lower voltage unit would only operate at a slightly elevated temperature as there is only about 4% difference in the ratings. Many of the older Audio pieces over here were designed with 110-115V X-formers/power supplies. Now normal residential voltages are running 120-125V(an 11% disparity), and the function of the equipment is not affected.
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