I admire your patience. We are just trying to help, but for me, I still don't know what his points/questions are so it is hard to even try to help. Thought I understood one question for a moment, then I realized really didn't. Not going to waste my time, good luck!
you're obviously overwhelmed here.. why do you even bother?
Do you even own this amplifier?
Many of you haven't even grasped the simple concept of the dual-voltage power supply that has been explained countless times before..
1. Some users reported that the AVR switches (with a relays clank) after roughly 25 minutes or so and then the power INPUT to the amplifier drops significantly.. that's what I call the "power saving mode", because it's the power supply switching to the lower voltage rail.
2. Then there's the protective mode that apparently limits output power once the amplifier has been stressed beyond its capabilities. Unfortunately, Pioneer decided to NOT shut off the device at that point. Instead, it limits power output in a "limp" mode that needs power cycling (according to Amir)
It's also a condition that ONLY ever occurs when someone stress-tests the amplifier with a bench test that has nothing, absolutely nothing, to do with real-life testing.
3. The amplifier has NEVER been found to ender "protection mode", or never even reports so on the web interface.. it also NEVER switches on the fan inside.. which is weird and definitely reason for complaints!
I would really love for all those claims of "speakers sound strained" to be confirmed with actual measurements.. it's easy to measure the power draw into the AVR, no?!
Or measure the frequency response output by the speaker.. if the amplifier was limiting power due to low impedance dips, then those super low dips would actually "dip" in the graph, no?!
If they sound "strained" from the get-go, then that's NOT the "limp" mode coined by Amir.. that was, as you suggested, "time triggered".. after 35 or so seconds of full throttle power drawn (again, BEYOND the rated power limit)..
It also isn't the power saving mode that I described (after 25 minutes of low volume play) where the relays switches to a lower voltage rail.. Because THAT switches back when you turn up the volume.
So, what exactly are they describing?
Speakers that require more than the 100+ Watts this amplifier can provide?