Quote Originally Posted by Reid Malenfant View Post
Sorry Mark, but Red book is capable of less than 1Hz, in fact it can go to DC or as near as damn it
IIRC, the red book spec stops at 20Hz, it's simply that this part of the spec gets ignored. Just as well as I find CD test tones a great way to speed up the break-in for new woofers. 8Hz being one of the tones I use.