That is in every review I do of amplifiers. In this case the amp shut down before clipping so you don't see the knee.
You can see that in the Benchmark graph in red.
Oh I am so sorry, missed the point that it shutdown before clipping.
If you always include this graph anyway, just to start always include that full bandwidth power sweep as well, would it still be too much work load for you? I think two channel driven will be enough as we already know from historic measurements that we can expect about 70% of the two channel driven output for the 7 channel driven output, except occasionally there were models that did much poorer because of their overly aggressive protective schemes.
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