Danley Sound Labs
Any complicated question can be easily answered by a Simple-Easy to understand- WRONG answer!
I ran 8 Eminance Omega 18's in W horn boxes for 10 years with no failures. Not even a burp. Interestingly enough all 8 were blown within a year after I left the company. I tend to agree with Ivan's take on operator induced problems.
Find us on the web at: meerkatsound.com
I'm using: RCF HD12A or JBL SRX722 over JBL SRX718s with Crown IT's and dB Technologies DVX DM12 & DM15 on monitors; all controlled by Yamaha LS9-32. I have a bunch of other stuff too.