@veerossi : Seems like good speakers (assuming it is the Tannoy Turnberry). They are sensitive two way speakers, like mine, but not bidirectional like my Audiokinesis Dream Maker. I think they should be able to do depth very well, if precisely set up. Note, I said precisely. Not just OK. This is because they seem very pinpoint front sound oriented (e g compared to mine).
I am experimenting with an even more ‘puristic’ pinpoint system in my home office – single driver speakers, no crossover. The soundstage changes a lot even with small changes of speaker positioning and toe-in. One might think that frontfiring speakers were less dependent on the room and reverberant sound, compared to bi- or omnidirectional, and yes, it is partly so, but there remains a huge dependence. More than we usually think about. The speaker «cant help it», it plays the room, and together with the room, even when designed and tuned to minimize this effect.
Consider trying the short wall once more, with more space behind the speakers, and adjust in case of bass dropouts. In my room 27 x 20 x 9 feet, there is no doubt that the sound is best with the speakers on the short wall. Others have reported the same, so I wonder why it is different for you.
@erik_squires : «Acoustic treatment in dimension of concern. Diffusion behind speakers and listeners, ceiling absorbers between speaker and listener». Well said. My experience also, as a main rule. Not too much treatment, though. I had to remove two thirds of the ceiling absorbers to get it right. And speaker positioning is even more important, to my mind.
@elliottbnewcombjr «primary factor is how much space behind the speakers.» Yes. My speakers like 5-6 feet from the wall for optimal depth. So even with a more conventional front-firer, I would try 4 feet at least.
@noromance «The speakers are completely gone in the 3D soundfield. Vinyl, tubes, Quad ESL57. I’m not sure how that translates into your set up but perhaps tubes might help.» Right, works well for me also, with my Audiokinesis speakers and tube system. The better the source, the larger the chance to hear depth and detail.
Someone wrote, I would like the audience applause in a live concert recording to sound in front of my speakers.
Not sure if I can reproduce this effect in my system. Will try. Suggested test recordings, anyone?