Originally Posted by serith
is the output identical between the standard cap4000 and the low profile version? something in my brain just can't believe that they're exactly the same. are there any owners of the cap4000 lp on this forum? every owner i've found or read about has the standard depth unit. initially i was completely sold on the idea of getting (3) standard depth units and laying them on their sides behind my single row of seating, but ever since selling the rythmik subs and seeing what 2 rows of seating actually looks like i'm very open to the idea of going with (3) low-profile units so i can squeeze in a 2nd row of seats. another huge benefit is that the amplifiers would be on the sides of the units and not jammed up against the rear wall. i can use a flat ICE power cord to make sure the subs are as close to the rear wall as possible which will be a great help in fitting the 2 rows of seating. the only negative is that the front row (MLP) won't have as much tactile energy as the rear row as that row of furniture will be sucking up a large chunk of the tactile/particle energy and is not the ideal listening position relative to all of the speaker placements in the room (the front row would be the MLP).
the real question is this. will i have more tactile/particle energy in the front row with (3) captivator 4000's pushing energy through (essentially) 2 rows of seating, versus what i had with (3) rythmik fv25's pushing energy through 1 row? i think it might be a wash? i sold the rythmik's primarily to chase that feeling. if i'm only going to really experience the benefit of the captivators with 1 row of seating i'll just get (3) standard depth units and lay them on their sides. this option actually intrigues me more because i can easily add more subs in the future (i could have as many as 9 stacked on top of each-other--3 in each row laying horizontally). with the low profile units i can only ever have 3 as i have no other placement options in the room right now. i thought i might be able to add some LP units behind the screen but the depth of the 4000LP is similar to that of the fv25's and they were also too deep. i'd have to move the faux-wall out quite a bit to pull that off and it's not something i'd like to do as the screen would move forward and be too close for the front row of seating. adding any LP units to the side walls would result in a small obstruction of the screen from the extreme left/right seats in the rear row.
sorry for all of the questions/doubts, just trying to write out my thoughts before i pull the trigger and make a decision. the room is basically unusable without subwoofers right now and i'd like to rectify that. i'm open to any ideas i haven't thought of too.
Originally Posted by Pradeep2
"the real question is this. will i have more tactile/particle energy in the front row with (3) captivator 4000's pushing energy through (essentially) 2 rows of seating, versus what i had with (3) rythmik fv25's pushing energy through 1 row? i think it might be a wash? i sold the rythmik's primarily to chase that feeling. if i'm only going to really experience the benefit of the captivators with 1 row of seating i'll just get (3) standard depth units and lay them on their sides."
The rule of thumb to experience very near field effects is to have the seating within the diameter of the drivers, in this case 18". I dont see how you would get the same effect if the subs are placed 6 or 7 feet behind you.
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I think it is important to distinguish between very near-field effects, and increased TR, in general. There is no question that proximity enhances TR. But, it certainly isn't the only factor. With enough SPL and particle velocity, we can feel significant chest punch at outdoor concerts 100' or 150' from the stage. We can feel the low-bass rumble of a heavy truck passing by our houses, much less something like a tank or a train passing by. Proximity simply enhances those effects.
I believe that the Cap 4000's will have enormously more low-bass TR than the FV25HP's, irrespective of the specific placement in the room. I would expect people sitting in the second row to get a more serious back massage than people sitting in the first row. But, I don't think that the chairs in the second row will absorb all of the particle velocity, leaving no TR for the first row.
From everything I have experienced in my room, and seen and read about from other rooms (or outdoors, for that matter), that just isn't the way that low-bass TR works. If the Cap 4000's are turned-up loud, and if there is sufficient low-bass content to produce the low-bass TR that serith is looking for, I believe that they will crank-out much
more of it than the FV25HP's ever did, whether there is a row of seating in the way or not.