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: 15.7 in · 1 in = 35.56 px
Monitor Audio Platinum 100vsELAC Concentro S 503.2
The Monitor Audio Platinum 100 and the ELAC Concentro S 503.2 stand at nearly the same height, around 39.8 cm tall. At 87 dB against 85 dB, the ELAC Concentro S 503.2 is the easier load to drive and plays louder from the same amplifier. The Monitor Audio Platinum 100 reaches deeper in the bass, down to 28 Hz versus 40 Hz. Low frequencies come from a 152 mm cone on the Monitor Audio Platinum 100 and a 180 mm cone on the ELAC Concentro S 503.2. Both land in a similar price bracket, around $7,499 a pair.
| A | B | |
|---|---|---|
| Manufacturer | Monitor Audio | ELAC |
| Model | Platinum 100 3G | Concentro S 503.2 2.0 |
| HiFi ladder position | #143 of 215 bookshelf | #146 of 215 bookshelf |
| Height | 15.7 in | 15.7 in |
| Width | 8.9 in | 8.6 in |
| Depth | 12.8 in | 14.6 in |
| Weight | 33.5 lb | 29.5 lb |
| Enclosure | bass-reflex-rear | bass-reflex-rear |
| Drivers | 1× tweeter (MPD III (Air Motion Transformer)), 1× 6 in mid-bass (RDT III C-CAM) | 1× tweeter (JET 6 pleated-folded ribbon), 1× 5.1 in midrange (aluminium AS-XR cone), 1× 7.1 in woofer (aluminium AS-XR cone) |
| Frequency — low | 28 Hz | 40 Hz |
| Frequency — high | 60000 Hz | 40000 Hz |
| Sensitivity | 85 dB | 87 dB |
| Impedance | 4 Ω | 4 Ω |
| Recommended amp | 75–300 W | 60–500 W |
| MAP (USD) | $7,599 / pair | $7,398 / pair |
| Where to buy | Check availability ↗ | Check availability ↗ |
| Brand website | monitoraudio.com ↗ | elac.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.