I know mixing fronts and surrounds is not (in general ) a good idea, but what about subwoofers. I just received my HSU VTF3 MKII amp back from repair and placed the sub in my new HT area (after the sub crawl) and in this new (very large space) I'm just not getting the punch I used to get in my smaller HT area.
I would love to find another VTF3 MKII to add to it but they dont make them any longer . I have found some other used subs that I would consider but they are not HSU.
Opinions please.

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