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In Reply to: RE: That strikes me as an odd statement posted by BDP24 on September 30, 2016 at 00:16:19
"A comparison of the Tympani woofer panels vs. the OB/Dipole subs should be VERY interesting!"
My thought exactly. :-) I'd love to hear what you find out.
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Both the OB/Dipole (sub)woofer and the Tympani bass panel have what has been called a "lean" character. I consider that a compliment! They both lack an ounce of fat, being pure muscle. Neither, with optimum placement, displays a hint of boom, fatness, or any of the other common complaints about subs in general. They are both very "percussive", reproducing piano, drums, stand-up bass, and any other instrument that is "slapped" the best I have ever heard. I attribute that to their unequalled ability to "start and stop on a dime", as the expression goes.Both require at least 3' of space between them and the wall behind them (mine will have 5', much better), but the Tympani's have a much larger footprint, the two panels being 32" wide to the OB's 16". Because of their dipole/figure-of-8 cancellation to either side, they can be placed right up against the room's side walls, often necessary with the Tympani's because of their width (such will be the case in my room). The question is whether or not my T-IV's will work out in my smaller-than-optimum room. The OB/Dipole will not be a problem---it is very room-friendly.
Edits: 10/02/16 10/02/16 10/02/16 10/02/16
I'm currently running a pair of IVA's in an undersized room so I know exactly what you're talking about. :-) I started with split config and now I have them up against the wall in line to try to get a sonic benchmark -- that arrangement isn't practical for my room as it eats up half of it and blocks a window to boot.
Agree completely with your characterization of the bass. It's something the IVA's share with the 1-D's that I had for many years, and once you've lived with that combination of bass realism, slam, and extension, it's hard to settle for anything else! But I'm having trouble getting the IVA's to image well in the split configuration because the woofer panels tend to block/reflect the back wave. I've thought of splitting the woofer panels -- using a single midbass panel against the wall, which wouldn't block the backwave, and then combining the low bass panels and putting them elsewhere, e.g., out in the hall. But I don't really have a good place for them. So if I could get similar results from the GR W-frame dipoles and jus the midbass panels against the wall, that would be great.
(Room pics here, I was just discussing the setup issues with Play-Mate:)
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