Avoid auto switching supplies, you only find these in no name components because of the high freq noise created. Any that you find are going to be without HDMI support, as most of the manufactures fixed the noise problem by eliminating the switching supply and went to specific supplies for a known cycle, it really isn't the supply voltage but the cycle difference that causes the problem aside from the fact that you need a toridal supply that is 4x rated for the application to work in both environments. A power converter is not always a good idea as conducted emissions can cause issue from supply to supply add to that the differential noise issues with multiple supply voltages for his existing equipment. Plus if he wants any video switching or processing he may need external converts etcetera. Given the video processing aspect of receivers now plus the immunity and noise issues that are added because of that, you will find electronics less massively produced, better for us since shorter runs are better

flap i find what you wrote only making sense when read out loud in the voice of yul brenner as the king of siam

Hey derf, c'mon, be nice! There's no call for attacks like that. I'm very happy to have you and everyone else contribute to the conversation, but if you don't understand what someone says, ask for clarification. If you want to argue a different point of view, by all means, please do. But let's all show each other some respect.

I admit that Flap's comment is long-winded and somewhat convoluted, making it a bit difficult to parse his meaning, but he does make some good points that provide valuable info for Mike. Maybe a power converter isn't such a good idea as I thought, in which case I'm at a loss as to what to recommend. Perhaps Mike's best bet is to bite the bullet and buy an AVR meant for the Australian market and Australian AC power in order to avoid the problems Flap warns against.

Anyone else care to make a suggestion?

Don't forget to investigate those pesky import/export laws. Many countries frown upon efforts to circumvent their tariff structure by purchasing products from outside the country and then attempting to ship them in without paying duties. I don't know Australian laws, but in the US they will confiscate the goods and essentially throw them away. You will have paid for a product that you will never see, and there could be legal ramifications for attempting to do so.

The best bet for an aussie is to buy in singapore as their voltage is the same as Aust. As an example, a $2500 Aust dollars Denon receiver can be obtained for $1650 in Singapore. The lower end items are usually not much cheaper but the premium products do become markedly cheaper in comparison

I found a company here in the US that would build a custom isolation transformer for as little as $275. The majority of the cost was for the torroidal transformer itself. It had 4 100vac/60Hz outlets (for US market), but I'd have to wonder if you can have one built that uses an Aussie power cord, yet outputs in US? It would just require different taps, I'd assume. I just spent some time in Sydney, and have to agree that you do not want a simple converter. Does a company like APC make custom UPS units like that? That way you'd protect your investment from public power's voltage spikes/sags/noise while providing the necessary power. Just a thought. I also found that you can buy US to OZ converters all over the place "down under", but just try to find an "OZ to US" converter here. Almost impossible. You're also correct about the prices of electronics in Australia - expensive! I like the Singapore idea. The savings would pay for the trip.

Paul, Greg------I think you are missing the fundamentals of formats as well as interoperability will be HUGE challenges to overcome not withstanding the previously mentioned compatibility and noise issues with power conversion. The noise issue is not filtered by conventional power conditioners. You would require not only high freq filtration (huge inductive reactance for impedance coupling) but some huge regulation (capacitance)in a supply to counteract the noise issue caused by intermodulation distortion from the carryover of ac ripple. THINK $4000 for a set up just to equal the performance here. Hardly a cost savings. AUs is expensive for electronics for market reasons(not as many to produce), as well as import and export tariffs (which you will be assessed regardless BTW). An A for effort but a no go in my book. I agree there should be more worldwide standardization of electronics but I don't think it will happen too quick.

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