TrueScaleAudio
Compare speakers at true scale
Pick two speakers and see them side by side at their real-world size.
Front view — side by side at true scale
Click either cabinet to swap A ↔ B · Reference height: 330 mm (33.0 cm) · 1 mm = 1.70 px
MartinLogan Motion B10vsJBL L52 Classic
The JBL L52 Classic stands 33.0 cm tall — about 1.2 cm more than the MartinLogan Motion B10 at 31.8 cm. On footprint the JBL L52 Classic is the wider cabinet (19.7 cm versus 17.8 cm). At 92 dB against 85 dB, the MartinLogan Motion B10 is the easier load to drive and plays louder from the same amplifier. The JBL L52 Classic reaches deeper in the bass, down to 47 Hz versus 56 Hz. The MartinLogan Motion B10 is rear-ported and the JBL L52 Classic is front-ported. On price, the MartinLogan Motion B10 sits higher — about $1,200 a pair against $1,000 for the JBL L52 Classic.
| A | B | |
|---|---|---|
| Manufacturer | MartinLogan | JBL |
| Model | MartinLogan Motion B10 | JBL L52 Classic |
| Height | 318 mm | 330 mm |
| Width | 178 mm | 197 mm |
| Depth | 248 mm | 216 mm |
| Weight | 6.6 kg | 5 kg |
| Enclosure | bass-reflex-rear | bass-reflex-front |
| Drivers | 1× tweeter (Folded Motion (AMT)), 1× 140 mm mid-bass (woven-fibreglass cone) | 1× 20 mm tweeter (Titanium Dome), 1× 133 mm mid-bass (Pure Pulp cone) |
| Frequency — low | 56 Hz | 47 Hz |
| Frequency — high | 25000 Hz | 24000 Hz |
| Sensitivity | 92 dB | 85 dB |
| Impedance | 5 Ω | 4 Ω |
| Recommended amp | 20–200 W | 10–75 W |
| MAP (USD) | $1,200 / pair | $1,000 / pair |
| Where to buy | Check availability ↗ | Check availability ↗ |
| Brand website | martinlogan.com ↗ | jbl.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.