Best Bass Amp!

ptheo: "  I also stated Noble100 because of my room layout I cannot put subs on every wall in the room for DSA but you choose to ignore that.  Since I also will be using my system for home theater 60% of the time I want the extra capability low distortion woofers when needs for dinosaur stomps. I will be utilizing Dspeaker anti mode 2.0 different EQ curve music/home theater selection for that purpose. Curious, won’t I get much lower distortion at 20hz 115db with LSVA twelve 10” woofers vs DSA four 10” woofers?!"

Hello ptheo,
     I'm glad you're main concern is bass quality and not bass quantity. You are correct I did not notice you stated that you cannot put subs on every wall due to room layout. However, I did not choose to ignore this I just failed to notice this statement. It is also not required with a DBA to have a sub on every wall, just that the subs are well dispersed within the room.
     " Curious, won’t I get much lower distortion at 20hz 115db with LSVA twelve 10” woofers vs DSA four 10” woofers?!"

     Well, I believe you'll likely get a higher volume of deep bass at 20 Hz with twelve 10" woofers pointed at you than four dispersed throughout the room each facing away from you but I'm much less certain it would be lower distortion and higher quality deep bass.  

Best wishes,
   Tim      

Right. Anyone taking time to read up on the theory and practice of distributed bass (which if you haven't you should) will quickly come to realize that while the very best results come from distributing as widely as possible still the concept is so powerful that just about any four locations will work much better than just about anything else based on only one or two subs. 

Questions about distortion are all based on the party line we've been fed for generations, which is all based on a faulty understanding of the way low bass interacts with human hearing in normal rooms.

The OP is in a perfect situation to test this out. He's already got all the drivers he needs. All he needs to do is stick em in separate boxes, plop em down wherever he has room, and let the chips fall where they may.

QSC PLX 3602. Blast a hole through the ozone. Screw hearing. It's feeling that counts.

Thanks for the amp suggestions auxinput & mijostyn! I’m sure the Crown & QSC amps would be great for bass but for my application it won’t work since I want a quiet amp with no fan noise(Crown) and way too much power on both. No problem on the XLR connection since that is all I use in my system. Also, with their massive power it will be overkill since I will have so much room coupling due to the multiple drivers. I’m willing to bet my sensitivity will be over 95db SPL @1W. I do value quality over quantity first & foremost. Even thought I do more home theater now,  accurate music sound reproduction is much more important to me vs HT. If it turns out that Class-A/AB amps sound better than Class-D does on the subs, I will use the Class-A/AB amps Nov thru Apr & use the Class-D amps May thru Oct(since it gets so friggin’ hot here in Sacto).

ptheo, the QSC amp fans can be easily disabled. In your use they will hardly break a sweat. You can always use one in Stereo. In my experience AB amps produce firmer bass than D amps. D amps are used almost exclusively in plate amplifiers because they are small and relatively inexpensive. We used these QSC amps on a friends JL Fathom subs after gutting them saving just the enclosures and drivers. He was super pleased with the results now if I could just talk him into getting two more.