Looking over this thread may help you.
http://www.audioheritage.org/vbulletin/showthread.php?6368-Ring-Radiator-Comparisons
Type: Posts; User: maxwedge; Keyword(s):
Looking over this thread may help you.
http://www.audioheritage.org/vbulletin/showthread.php?6368-Ring-Radiator-Comparisons