Replacement dynamic cone drive units for Centaurus, Slant and possibly Cepheus speakers go to Madisound, also suppliers of Goertz foil inductors for crossover upgrades  http://www.madisound.com/retrofits.html

Home theatre review LCR Slant 8’s and Centaurus column http://www.cybertheater.com/HW_Reviews/Apogee/apogee.html

Full range used in review of Parasound power amp  http://www.soundscapeav.com/hca-2200.html 

Jeff Rowland Model 1 review with Full Range  http://www.jeffrowland.com/review54.htm

Review of Atma-Sphere MA-1 amp with Scintilla’s and Full Range  http://www.condor-connection.org/asog/reviews/tas/index.html

M&K subwoofers review using Scintilla, Slant 8, LCR and Centaurus column  http://www.cybertheater.com/HW_Reviews/MK_MX200/mk_mx200.html

Caliper review http://www.vxm.com/21R.13.html

Audioreview a consumer review website, where you can post your own Hi-Fi reviews  http://www.audioreview.com/reviews/speaker/

Audioweb the #1 high end website, information, reviews, put your items for sale or auction  http://www.audioweb.com/