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Speaker Asylum General speaker questions for audio and home theater. |
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Speaker Asylum General speaker questions for audio and home theater. |
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In Reply to: Re: Let's see posted by morricab on May 8, 2007 at 15:02:27:
Sound at listening position is a combination of direct and indirect sound. The direct sound is strictly the same as in the anechoic chamber so anechoic measurements will tell you what you need to know. The designer has full control.Indirect sound is depending on the off-axis radiation and how that radiation is modified by the room. The off-axis radiation per se is a matter of design, can be measured under anechoic conditions, again the designer has full control. Then comes the listening room: my previous room was acoustically asymmetric, acoustically very hard surfaces on one side, more absorptive and diffusive surfaces on the opposite side. Furniture on one side, no furniture on the opposite side. Even with good on and off-axis response such a room will mess things up and very much so.
The designer obviously has no control whatsoever about the room. He can design for a room but he then has to provide detailed specifications of how that room has to look like.
So in-room response still is very much meaningless unless detailed information about that room is provided.
When I look at the various SF models reviewed by Stereophile some off-axis responses suck big time.
Klaus
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Follow Ups
- Re: Let's see - KlausR. 00:36:30 05/09/07 (4)
- Re: Let's see - morricab 02:27:08 05/09/07 (3)
- Re: Let's see - Pinkus 07:33:44 05/09/07 (2)
- What is state of the art? - KlausR. 09:20:43 05/09/07 (0)
- Re: Let's see - morricab 09:10:04 05/09/07 (1)
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