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<blockquote data-quote="audioholic" data-source="post: 5904563" data-attributes="member: 549629"><p>Sorry, I thought you were more familiar with t/s parameters. EBP is Fs divided by Qts. 50 or less indicates sealed only sub. 50-90 indicates the driver is flexible to either type of enclosure. 90 or above indicates a ported only driver. This is not set in stone, but is a pretty solid indicator of the enclosure type the speaker will perform best in. A UL12 has an EBP of 38, indicating its close enough that it would work 'okay' in a ported enclosure, not falling completely on its face and making it obvious its the wrong enclosure type, but is below 50 enough that it definitely was designed to excel in sealed applications.</p><p>Cheers.</p></blockquote><p></p>
[QUOTE="audioholic, post: 5904563, member: 549629"] Sorry, I thought you were more familiar with t/s parameters. EBP is Fs divided by Qts. 50 or less indicates sealed only sub. 50-90 indicates the driver is flexible to either type of enclosure. 90 or above indicates a ported only driver. This is not set in stone, but is a pretty solid indicator of the enclosure type the speaker will perform best in. A UL12 has an EBP of 38, indicating its close enough that it would work 'okay' in a ported enclosure, not falling completely on its face and making it obvious its the wrong enclosure type, but is below 50 enough that it definitely was designed to excel in sealed applications. Cheers. [/QUOTE]
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