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In Reply to: RE: I have just under 5' from the ribbons to the sidewalls. nt posted by Satie on April 12, 2016 at 06:40:21
Yes, I already have them tweeter out, Satie - and I get a nice wide and high sound stage ... depth is the only thing I'd like to improve. :-((
Distance from the ribbons to the (sloping) wall at listening height - ie. at the benchtop - is about 4'.
What I did on Monday arvo is adjust toe-in of the mid/ribbon panels, with some keen-eared mates present. We found that increasing the toe-in so the perpendiculars from the ribbons cross at the knees - rather than the ears - of the listener ... substantially firmed up the centre of the sound stage! :-)) Unfortunately, it didn't do anything for the depth - so diffusion on the front wall seems to be required.
Regards,
Andy
Follow Ups:
I should have noticed that the shelf is at listening height.That might just be part of the problem.
Try this- take a couple of towels or fuzzy blankets and put them over the shelf and the stuff on it along the span between the speakers and directly behind them, Don't let the fabric hang too far down below the shelf as all we are trying to do is make it acoustically less intrusive.
Tell us what, if anything, changed in the sound.
Tried this, this afternoon, with a keen-eared mate ... towels, folded into quarters, lengthways.
Did nothing for the depth but might have improved the 'presence' of L Cohen in the room ("Roadsinger"). So I need to play with this concept a bit further.
Thanks,
Andy
I am not sure I understand what you mean by "presence". Is that a tonal issue or an improvement in spatial presentation of the vocal? Did the vocal center image move vs. with the naked shelf? Did L Cohen become more concise and defined - like you can imagine his voice as a conical beam of vocal sound?
Sure - it's an indistinct description! ;-))
With reference to your Qs:
1. Is that a tonal issue or an improvement in spatial presentation of the vocal? See answer to #3.
2. Did the vocal center image move vs. with the naked shelf? No
3. Did L Cohen become more concise and defined - like you can imagine his voice as a conical beam of vocal sound? <> <> Sort of; the 'Roadsinger' recording captures the fact that LC has a slight vibrato - this was displayed more definitively with the towels placed just over the end of the shelf.
As I said, though, more 'playing around' to be done. :-))
Regards,
Andy
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