Originally Posted by
Smitty
I need start by saying I have not worked with or heard an Ultimax sub. I would go with the HO's mainly for same reasons stated above. I could be biased since I listened to an HO in a car last year and that is what is going in my newest build. Ive also recently been doing sealed and IB setups after years of exclusively ported so that could a factor as well. I know the HO can sound very good in a sealed enclosure.
While we are on the subject of HO vs Ultimax, does anyone have any feedback based solely on SQ?