On 05/11/2011 03:24 AM, Pedro Lopes wrote:
The situation: ambisonics 3d setup for 3d audio. 8 channels, cube setup (a quad above the other). The room is 3x3 meters wide.
be sure to try the bi-rectangle as well.
Speaker choice/budget restrictions: active speakers. Yamaha hs50 or mackie mr5. 150 euros per speaker.
or maybe two 5.1 surround sets? in that price range, you might find interesting alternatives. german manufacturer teufel used to have some quite competetitively priced offerings which are generally well-regarded among music lovers (as opposed to movie- or gaming-only users).
this being said, what is the required wave propagation style for ambisonics? Is it better that the speakers radiate more smoothly and even, or more directional?
each speaker should cover the entire listening area completely, with a reasonable flat response.
ideally, speakers should have flat off-axis response, but in practice, the treble falls off faster than the low frequencies, which radiate almost omni-directional. that means the diffuse field will sound duller than the direct field. now if your room is dead in the treble but not much below that, you will exaggerate the dullness of the diffuse field. so too much cloth might be problematic - if you deaden the room, aim for broadband absorption, possibly with a hard surface on top that reflects some treble. but that is a general issue, not one specific to ambisonics.
I'm leaning towards mackie, the only "but" is to clear if they will suit my needs for ambisonic.
can't comment on this, but at 150,- you're not quite in the pro or semi-pro range for studio monitors, hence it might make more sense to look at reasonable consumer offerings and maybe profit from a kit deal.
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