The "how many reviews it got" rule


This is my rule of thump when I purchase components online
without having heard them first.  If a component received a
lot of reviews, chances are the component is very good.
I mean the component has to be good to attract a lot of
reviewers. Most reviewers probably wouldn’t
bother to review something he doesn’t like in the first place.
andy2
And sometimes big, well connected companies, choose not to give out components for reviews 
XTAC speakers commentary on why they are unique and superior to ALL other speaker designs (per the manufacturer). https://audiomachina.com/xtac/commentary/

I’d love to hear speaker engineers/designers comment, especially on the Time/Amplitude equation.

Here's the extract from his white paper on what a speaker should be:
1. Full frequency range without the use of different driver types or any crossovers. 2. Adequate Dynamic Range and S/N ratio. 3. Absence of diaphragm flexure or breakup in the audible range. 4. Idealized acoustic radiation pattern. 5. Real-world room installation and performance optimization. 6. Reasonable manufacturing and installation difficulty. 7. Reasonable cost.
TAS had a preview of the XTAC and photos in the September 2018 issue.  Interesting concept.
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