Polk Audio T15 vs. MartinLogan Motion 15i

Polk Audio T15 Bookshelf Speakers  vs. MartinLogan Motion 15i Bookshelf Speaker
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Polk Audio T15 Bookshelf Speakers

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Reviews & Articles

Dimensions (H × W × D)

10.63” × 6.50” × 7.25”
270 mm × 165 mm × 184 mm

Good bang for the buck, but as standalone bookshelf speakers, some may find the T15 somewhat hot on the high end and lacking in deep bass. These are probably best suited as rear-channel speakers in a home-theater setup with T50s as your right and left speakers.

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.

Comparisons

  • The front face of the MartinLogan Motion 15i is approximately 12.19% larger than that of the Polk Audio T15.
  • The depth of the MartinLogan Motion 15i is approximately 31.03% deeper than that of the Polk Audio T15.
  • The spatial volume of the MartinLogan Motion 15i Bookshelf Speaker is approximately 47.01% greater than that of the Polk Audio T15 Bookshelf Speakers .

Notice: the above comparisons are based on the dimensions of a bounding rectangle that would fit the front face of a speaker. In the case of volume, the measurements are based on a cube that would enclose the speaker entirely. These measurements do not take into account variations in the speaker shape, such as curves, diagonal edges, or cutaways. These measurements cannot be relied upon to measure the internal volume of the speaker.

More Information

Our website will allow you to compare the sizes of bookshelf, satellite, tower, and center channel speakers and subwoofers for audiophile and home theater usage. We will keep adding new speakers in response to user feedback. Also, please check out our list of review links below each speaker. If you know of any speakers or subwoofers you would like to see featured here, send us a message.

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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.