Damn, that looks so sweet. I'd love to caress its innards. Since you have it open, check all fuses.
BTW, that's only half of it. The other half of it is hidden. There's another toroid under the naked one.
If you don't see anything obvious, plug it in and see if it works. Keep your nipples away from it though. You can feel nipple shocks in your 'nads and sphincter.
House of the Rising Sone Out in the mid or far field Dedicated mid-woofers are over-rated