My phone, my tablet, two laptops and a desktop computer all handled the voltage change without a problem. Didn't occur to me that the power supply inside my receiver would be less capable. Now I know...
Now you know why I say the lowest of the low in all of audio is the receiver- and the lowest receiver is the AVR. You simply cannot do worse. No amount of money will get you a "good" one. They are cram packed with as much pure cheap crap as they can fit in the box. You could spend $10k on a AVR and find ten $500 integrateds that will absolutely kill it in sound quality. The whole HT industry is a huge marketing scam devoted to selling people on the worst possible sound quality.