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I'm through here. Things are too abrasive.

But 4x Seas L26RO4Y (!!!) with DSP to get to 30 hz kind-of proves the point in a way.

I think we were talking in general terms about open-baffle speakers. I'm sure Linkwitz is perfectly aware of Doppler distortion.

Whooooaaa, a crackpot on YouTube. Thanks for pointing this out!

This conversation is getting deep. And troglodytic.

Intermodulation, from the cone movement phase modulating higher frequencies. https://sound-au.com/doppler.htm

With lots of Doppler distortion to go along with the huge cone excursion.

Now that I know they're the size of my fist, they just look dumb to me being 3-way with all those drivers.

When a power amp oscillates, it often puts out tremendous amounts of RF. Just guessing that's what he heard.

Yes, it took some doing to really get it right.

Sounds like your amplifier was oscillating for some reason, and eventually blew up from it.

I just adjust my speakers so they sound natural, especially voices. I use headphones as a sanity check.

Yes; I was referring to the mystique that a mono-block was desirable in and of itself. If he doesn't need the bridged power, a single AHB2 should be fine.

Do yourself a favor, get a decently calibrated microphone: https://www.cross-spectrum.com/

Looking at our Worst Measuring Speakers thread, "awesome" means designed by a 10 year-old.

:facepalm::facepalm::facepalm::facepalm::facepalm::facepalm::facepalm:

Other than bridging, I've never seen any legitimate measurements showing that mono-blocks offer increased performance, except sometimes an insignificant power increase from having individual power supplies. I say, sell one and get your bicycle!

It's language only audiophiles with the most resolving systems can understand.

A lot of flippers just don't care. About much of anything except getting paid. Caveat emptor.