Typically speaking, the 4 ohm tests would show higher numbers in the 2 channel driven tests. For 5 and 7 channel tests, 4 ohm would not do well and may actually fail the test because the AVR's power supplies don't have the current capability. For the same voltage, current into 4 ohm will be doubled that into 8 ohms.
S&V has rarely, if ever, measured 7 channels driven into 4 ohms. In my over 60 units measured by S&V, they have only done such test on the Yamaha RX-Z9, though I might have missed some.
Based on Audiovision.de, I would say without a doubt the AVC-A110 is more powerful than the AVC-X7200W. You can't compare results from different benches, you can but it won't mean as such as you compare result done by the same bench, preferable by the same person.
There is nothing for you to disagree actually, because I've never said Denon and Marantz are the best in 5 or 7 channel driven output, but they are the one that sort of guarantee 70% of the 2 channel driven output so there is consistency there to consider. I only suggested you stick with those because of their 70% guarantee (sort of ..).
If you were to go with by the best ever, then Onkyo/Integra would probably be the best, but only based on S&V's test results and results from what I tabulated a few years ago only, so up to date results that include the newer models may not show the same.
With Onkyo, Yamaha, Sony etc., it varies a lot between model years so unless there are bench tests to look at, you wouldn't know what you are getting. Even within Denon/Marantz, different year models have measured quite differently on S&V, though the differences typically weren't great, say within 10-20% typically speaking.
As to the 8 ohm vs 4 ohm, yes in bench tests, the 4 ohm numbers are typically higher, but not as much, or not always the case under the 5 or 7 channel driven conditions because into 4 ohm, at the same voltage current will double. So AVRS that have relatively weaker power supplies won't do well in the 5/7 channel driven into 4 ohm loads.
About the SR5003, I found that some of their test results were suspect, most were okay though. It is hard to imagine the SR5003 measured that well, look like an outlier to me in that case. I have seen other cases, where S&V tested the same AVR model, yet one test showed much better results than the other, one example is the AVR-4308CI, I paid attention to that one because I have it. I have tabulated more than 60 of the S&V bench tests for power outputs including the 5,7 channel driven tests and I just cut it off at 50, to include the SR5003, that I ranked it 33th in this table, sorted by their 2 channel driven into 4 ohms, at 01% THD. You can rank it yourself in any other ways obviously.
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I was simply inquiring into why other reviews on this forum don't seem to include this measurement or am I simply missing it.
audiovision.de
