-3dB Limit

Belling
Belling Posts: 12
edited May 2004 in Speakers
If a speaker's overall frequency responce is listed as 50hz-27khz but the lower -3dB limit is 60hz, does the speaker go down to 50hz or only to 60hz? Why the difference?
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  • F1nut
    F1nut Posts: 50,729
    edited May 2004
    Yes, it goes down or up to the rated frequency response. The -3dB rating is where the frequency starts to roll off.
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  • PolkThug
    PolkThug Posts: 7,532
    edited May 2004
    Yes, it will play 50hz, but at a much lower volume.
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  • Dr. Spec
    Dr. Spec Posts: 3,780
    edited May 2004
    The overall limit is usually -10 dB, but not always.

    Also, the volume at which the speaker can deliver the rated F3 is important. It should be able to do it at realistic levels.
    "What we do in life echoes in eternity"

    Ed Mullen (emullen@svsound.com)
    Director - Technology and Customer Service
    SVS
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  • Belling
    Belling Posts: 12
    edited May 2004
    Thanks guys. I THINK that i'm beginning to understand.
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