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Critic's Corner Discuss a review. Provide constructive feedback. Talk to the industry. |
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Critic's Corner Discuss a review. Provide constructive feedback. Talk to the industry. |
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In Reply to: You're welcome but... posted by KlausR. on May 11, 2006 at 09:34:17:
You can get some idea of the likely polar response by looking at the on axis/ off axis response of the individual drivers. Many manufacturers do publish them at least over a limited range of angles. You can see that tweeters in particular have awful off axis response often falling 10 db or more above around 10 to 12 khz which means for all practical intents and purposes they are highly directional at the highest octave. This is hardly surprising because the diameters of their moving elements are around the same size as the wavelength as the sound they are trying to produce. By contrast, the sound at low frequencies is nearly omnidirectional. Now what does this suggest about the sound you hear in your chair resulting not just from what comes directly at you but from what the room does. Here is some clue as to why LEDE rooms, moving speakers away from walls, and other measures offer some improvement. Of course, you lose the reinforcement the room offers at low frequencies that way and that must be compensated for too. Peter Snell was right, it's not what comes out of the speaker but what reaches your ears that counts. Therefore without taking the room into account and making provisions to compensate for it, the chances of success are highly unlikely.
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Follow Ups
- Re: You're welcome but... - Soundmind 05/11/0609:47:11 05/11/06 (2)
- Polar response again - KlausR. 10:59:04 05/11/06 (1)
- Re: Polar response again - Soundmind 11:44:13 05/11/06 (0)
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