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General speaker questions for audio and home theater.

RE: Zu Soul Supreme sensitivity

Compared to a free field measurement every boundary introduced will result in a 3dB rise in bass output.

So compared to free-field a speaker placed on the floor but away from walls gives +3dB;
placed on a wall another +3dB and corner placement adds a further 3dB resulting in a theoretically possible 9dB rise.

If you now measure SPL from 20-20kHz as a single figure it will seem as if the speaker is remarkably sensitive.
Less so if you measure SPL at 1kHz where corner loading has very little effect.


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  • RE: Zu Soul Supreme sensitivity - b.l.zeebub 12:11:57 06/04/17 (0)

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