Rich, are you happy with your 600v4? Everyone else happy? I'm planning to upgrade my two 500s, that are flanking the actives and fed by the DSPs, to 600s (below).

How many other sealed subs reach 12Hz anechoically? I know of only two others and one is the 800v4.

[Linked Image from i.postimg.cc]

House of the Rising Sone
Out in the mid or far field
Dedicated mid-woofers are over-rated