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Experience with stacked subwoofers?

I have seen a handful of responses to posts mentioning stacked line array subwoofers, like the stackable Rel 510s. Does anyone have a stacked subwoofer array in their system and can speak to their experience?  The marketing hype that Rel puts out about this has me intrigued. Their explanation as to why it’s awesome makes sense, but also I want to go beyond the marketing and hear about real experiences before I drop a bunch of dough on something like that. 

bobelton
bobelton OP
18 posts
 

I would love to hear how that goes when you get it all dialed in. 

dwette
321 posts
 

Yeah, me too. LOL I';ve been using a stereo pair for years and they sound fantastic.

I'm about to do a massive upgrade on turntable, rack and TT isolation also (I've had a windfall and plan to spend some of it on fun stuff). I'll get the six-pack dialed in first though.

vicdior
60 posts
 

I have 2 Rel 510s in my setup and love it. For me, no need to stack up I am totally satisfied with my sound quality.

wiscobez
4 posts
 

At AXPONA back in April, Rel demonstrated a line array of 510s with a pair of Wilson Sabrinas (I think... I was paying attention to the Rels).  Rel not only demo'd the effect of the full line array on/off, but also demonstrated the effect of running just one 510 per side, two 510s per side, and the full stack of three per side, sequentially.

I was very impressed - the full line array added significantly to the size of the soundstage and improved the imaging in ways that I would never have anticipated.  The effect was, of course, most significant with the full array but was present with just two of the three Rels engaged on each side.  Of all the experiences I had at AXPONA this year, the Rel demo was the one that stayed with me... I've been thinking about it ever since the show.

Consequently, I've begun to accumulate Rel Carbon Specials to add into my system. I have 4 of the 6 on-hand (in boxes, not yet set up), so can't provide impressions yet but am certainly looking forward to integrating the six-pack.

mswale
270 posts
 

Have been using stacked subs in my HT room for almost a year now. Still sorting the room out, and don't have long enough cables to put them in the proper place. 

To sort out L/C/R speakers, the subs had to move, so they go stacked in the corner of the room. Yes, ran DSP after. Both subs have footers under them, to isolate from each other. 

They sound just fine, get all the bass I could ever want and then some. Once stacked, both needed the gain to be turned down. Think it's a little cleaner, but these are movie subs, not musical. 

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