MartinLogan Motion 15i vs. Aperion Audio Intimus 5B

MartinLogan Motion 15i Bookshelf Speaker vs. Aperion Audio Intimus 5B 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.

Aperion Audio Intimus 5B Bookshelf Speakers

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Dimensions (H × W × D)

12.00” × 6.75” × 8.00”
305 mm × 171 mm × 203 mm

Originally sold through Internet-direct retailer Aperion Audio, these speakers are now discontinued, but are an excellent deal if you can find them used. Known for their smooth reproduction and transparent soundstage.

Comparisons

  • The front face of the Aperion Audio Intimus 5B is approximately 4.49% larger than that of the MartinLogan Motion 15i.
  • The depth of the MartinLogan Motion 15i is approximately 18.75% deeper than that of the Aperion Audio Intimus 5B.
  • The spatial volume of the MartinLogan Motion 15i is approximately 13.65% greater than that of the Aperion Audio Intimus 5B.

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 bounding box 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 a speaker or subwoofer you would like to see featured here, let us 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.