however if you not familiar with any of the components in question, why on earth would I take your advice?
Ricred1, you would want to heed my advice because my advice is based on engineering & is agnostic of equipment. My advices deals with physics & the limitations it creates on any electronics. No matter what the brand, it cannot defy physics. If you ignore those considerations I stated in my original post you could end up in a very bad situation with potentially a large out-of-pocket expense coming your way.
If the M525 is spec'd to handle your Aerial 7T - fine, you have nothing to worry about in terms of equipment compatibility. If the M525 is not spec'd to drive your Aerial 7T in BTL mode, a dangerous situation was detected for you well before any mishap.
When soliciting advice on any forum there are always 2 aspects to one's question - one, people who have direct experience with the equipment you are seeking yourself & two, the electrical compatibility of the equipment you are seeking with the rest of the equipment you already have. Both aspects are equally important. I addressed the 2nd aspect of your quest for better SQ. That's why you need to heed my advice OR anybody else's advice who addresses this aspect.
If you seek the advice of only those people with direct experience of the gear you are seeking but fail to see that this gear is incompatible with your gear, you will not have the same experience as they did. Do you know what the impedance of their speaker is? If yes, is that the same impedance as your speaker? If yes to both then only can you use their data point as-is; otherwise, you have to start from scratch as your speaker impedance is different i.e. just because it works in their system does not mean it will work in your system.
I appreciate everyone taking their valuable time to respond to my questions. When there are disagreements I submit we should remain cordial...it's only audio.
we mutually agree on this 100%. Thanks for stating it for the benefit of all of us.