I have had my Ultra 10 for a few weeks now. I must say that I am very impressed with this sub. Even taking it out of the box I could tell this was something special. Things like the soft rubber push on tabs to hold the grill in place (and to also prevent rattle) and threaded inserts for the feet (two kinds no less). It's attention to detail like this that marks a quality product. This would have been a good deal at it's normal selling price but at the closeout price? WOW!
The Ultra 10 is replacing my 28 year old 12" M&K Goliath 2A sub (which now has a different speaker and a built-in power amp). The new sub is in a 1200 cu/ft room and sits in a cabinet under the display about 2 feet out from a corner boundry. After a week of breaking it in, I must say that this is one impressive subwoofer. Now, it won't shake the rafters in larger rooms, but when using it in the environment it was designed to function in, it can. Good low frequency extension and impressive cone excursion. A very musical sub. The amp is clean, quite and has good headroom. I was planning on using my M&K in the opposite back corner of the room to give a little more low frequency oomph (<40 hz) and I still may, but right now, I am pleased with just the Ultra. I plan to hook up my Berringher DSP 8024 and see what kind of frequency curves I am getting and go from there. As it stands right now (and from a subjective standpoint), music and LFE from movies are being reproduced faithfully.
If you are looking for a sub to fill a smaller size room then you would be wise to consider placing this on your shopping list. Well done Emotiva!
Samsung 55HU8550 TH02/SEK-3500
Denon X3300W 5.2.2