An Audio Pro Ace bass B1.39, $100 shipped! Rated to 20hz. Needed a little TLC, not the baddest 10" ported sub, but hey.

Correction to previous Audio Pro post: it's an Evidence - 8" ported rated to 27hz. Just PU a second for $100 shipped. Using as dedicated Surround L&R subs.
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Samsung 60" LED
Outlaw Audio 976
Samsung BD player, Phillips CD chgr, Dish DVR, Firestick

Canare 14 ga - LCR tweeters inside; CC outside
BJC 10 ga - LCR mids*, inside & out
8 ga Powerline - LR woofers, inside & out

LR: Tri-amped Polk RTi A7
Rotel RB980s -> woofers; Rotel RB981s -> mids w/phase plugs & tweeters
CC: bi-amped Polk CSi A6 -> Rotel RB981
SWs: Sunfire & 4 Audio Pros - LFE True Sig; 4 Evidence - 1 @ ea corner
Surrounds: Rotel RB981 -> Polk RTi A3
Power Conditioning & Distribution:
3 dedicated 20A feeds; APC H15; 4 Furman MP-20s