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Compare speakers at true scale
Pick two speakers and see them side by side at their real-world size.
References
Front view — overlaid at true scale
AMartinLogan Motion B10BPolk Legend L100
Click either cabinet to swap A ↔ B · Reference height: 347 mm (34.7 cm) · 1 mm = 1.61 px
MartinLogan Motion B10vsPolk Legend L100
The Polk Legend L100 stands 34.7 cm tall — about 2.9 cm more than the MartinLogan Motion B10 at 31.8 cm. At 92 dB against 85.5 dB, the MartinLogan Motion B10 is the easier load to drive and plays louder from the same amplifier. The Polk Legend L100 reaches deeper in the bass, down to 43 Hz versus 56 Hz. Both land in a similar price bracket, around $1,200 a pair.
| A | B | |
|---|---|---|
| Manufacturer | MartinLogan | Polk |
| Model | MartinLogan Motion B10 | Polk Legend L100 |
| Height | 318 mm | 347 mm |
| Width | 178 mm | 186 mm |
| Depth | 248 mm | 287 mm |
| Weight | 6.6 kg | 7.67 kg |
| Enclosure | bass-reflex-rear | bass-reflex-rear |
| Drivers | 1× tweeter (Folded Motion (AMT)), 1× 140 mm mid-bass (woven-fibreglass cone) | 1× 25 mm tweeter (Pinnacle ring radiator), 1× 133 mm mid-bass (Turbine cone) |
| Frequency — low | 56 Hz | 43 Hz |
| Frequency — high | 25000 Hz | 50000 Hz |
| Sensitivity | 92 dB | 85.5 dB |
| Impedance | 5 Ω | 4 Ω |
| Recommended amp | 20–200 W | 70 W |
| MAP (USD) | $1,200 / pair | $1,200 / pair |
| Where to buy | Check availability ↗ | Check availability ↗ |
| Brand website | martinlogan.com ↗ | polkaudio.com ↗ |
| Product page | Open product page ↗ | Open product page ↗ |
Larger value highlighted in green. For low-frequency extension, lower Hz = greater bass reach, so the deeper side is highlighted.