A professional 10" Bass Driver with lowest fres: McCauley's 6222; who have heard ?

A professional 10" Bass Driver with lowest fres: McCauley's 6222; who have heard ?

About
McCauley.com : Products: Components > 6222: Overview
and
McCauley.com : 6222 Specifications
there are the short form data of this in Europe hard to find model.
The high Qms value (nearly 8) are untypicall fur rubber suspension.
This transducer looks very promising, both for three-way solutions and for small subwoofer systems.
Probably this model is most of any home-audio and car stereo speakers vastly superior.

Who have heard them and in which commercial loudspeakers are this transducer in use and in which magazines like
http://www.hobbyhifi.de/Aktuell/Aktuelle_Ausgabe/aktuelle_ausgabe.html
or
http://www.audioxpress.com/magsdirx/voxcoil/index.htm
are to find test reports ??
 
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