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High Efficiency Speaker Asylum Need speakers that can rock with just one watt? You found da place. |
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High Efficiency Speaker Asylum Need speakers that can rock with just one watt? You found da place. |
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In Reply to: What is the real efficiency of the Coincident partial eclipse? posted by violinist3 on July 9, 2007 at 13:11:02:
The box is just over one cubic foot, it can't be 92dB and hit 30hz.
A 2 cu ft 2nd order sealed box with an F3 of 30hz can only be 0.18% efficient (84.55dB).
A 2 cu ft 4th order vented box with an F3 of 30hz can only be 0.36% efficient (87.56dB).
A 2 cu ft 6th order vented box with an F3 of 30hz can only be 0.90% efficient (91.54dB).
Dropping down to 1 cu ft reduces efficiency by 3dB, not to mention that a 1" diameter port will 'whistle' abouve a couple of watts.
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Follow Ups
- 1 cu ft ? - djk 18:37:39 07/09/07 (1)
- Any estimate on what the sensitivity could be? - violinist3 21:53:57 07/09/07 (0)
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