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Subwoofers - 1 Martin Logan Depth or 2 Grottos?

A previous call for help narrowed my search for a musical 2-channel quality subwoofer - thanks all. First choice was Vandersteen 2WQ but my stupid (albeit sweet sounding) integrated amp does not have power inputs. So forget Vandy. Second choice is Martin Logan Depth. But I was wondering if two Grottos would be better than one Depth? Depth has BalanceForce technology for tightest bass. Grottos do not but two may offer better stereo imaging. Not sure which evil to neutralize.

Current system:
Amp - Opera Audio Consonance a120 Hybrid Integrated (90 wpc)
CD Player - Opera Audio Reference 2.2
Speakers - EgglestonWorks Fontaines
rockadanny

Showing 2 responses by rockadanny

rockadanny OP
1,222 posts
 
Thank you all for your help. I wish you all the highest fidelity.
rockadanny OP
1,222 posts
 
My amplifier has pre-outs, but no inputs to the power amp so I cannot place the Vandy high-pass filter between the two to run to my main speakers.
Anyway, I cannot centrally locate the subwoofer except for behind the listening area. My listening area is sort of enclosed as 23'x17' with 11' cathedral ceiling, although it is very open on one side and partially open on the other, with a free-standing 8' wall at the 17' mark in front of the system and more space beyond that (behind the listening area).
My main concern is: Should I address reducing subwoofer cabinet vibration (eliminated by the more expensive Depth) or have two for stero imaging (if I get two less expensive Grottos). Depth has three 8" drivers; Grotto has one 10".
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