MartinLogan Motion 15i vs. ELAC Uni-fi UB5

MartinLogan Motion 15i Bookshelf Speaker vs. ELAC Uni-fi UB5 Bookshelf Speakers
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MartinLogan Motion 15i Bookshelf Speaker

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Dimensions (H × W × D)

11.40” × 6.80” × 9.50”
290 mm × 173 mm × 241 mm

A midsized rear-ported bookshelf, featuring a 5.25” low-frequency transducer and a folded motion high frequency transducer, which MartinLogan claims replicates much of the performance of their high-end elecrostatic speakers. May need to be paired with a subwoofer if sub-60Hz bass is a priority.

ELAC Uni-fi UB5 Bookshelf Speakers

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Dimensions (H × W × D)

12.81” × 7.94” × 12.19”
325 mm × 202 mm × 310 mm

The ”Uni-fi” in this speaker’s name comes from its unique driver arrangement. Using a design commonly associated with KEF, ELAC uses a concentric driver that places a 1” soft dome tweeter in the middle of a 4” midrange cone driver. This allows high and midrange sounds to reach your ears at exactly the same time, for a superior soundstage and imaging.

Comparisons

  • The front face of the ELAC Uni-fi UB5 is approximately 31.19% larger than that of the MartinLogan Motion 15i.
  • The depth of the ELAC Uni-fi UB5 is approximately 28.29% deeper than that of the MartinLogan Motion 15i.
  • The spatial volume of the ELAC Uni-fi UB5 Bookshelf Speakers is approximately 68.30% greater than that of the MartinLogan Motion 15i Bookshelf Speaker.

Note: the above comparisons are based on the dimensions of a bounding rectangle that would fit the front face of a speaker, or in the case of volume, measurements are based on a box that would fit the entire speaker. The measurements will not factor in individual differences such as curves or other variations in the speaker shape. Do not use these measurements as an estimate of the internal speaker volume.

More Information

SpeakerSize.com is a website that lets you compare the relative size of bookshelf, tower, and center channel audiophile and home theater speakers. We are continuously adding new speakers based on user feedback. We have also compiled a list of review sites for each speaker. If you have a speaker or subwoofer you want to see added on our site, please let me know.

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Disclaimer: the speaker sizes listed on this website are correct to the best of our knowledge, but we do not guarantee the accuracy of the data. Please double-check any dimensions with the manufacturer before making a final purchasing decision.