The ELAC Concentro S 507.2 combines a JET 6 tweeter with dedicated midrange and low-midrange drivers plus four side-mounted bass drivers. Its four-way bass-reflex design brings Concentro driver technology to a sculpted floorstanding cabinet.
| Sale unit | Pair (two speakers) |
|---|---|
| Specification basis | Driver counts, dimensions and net weight below are for one speaker. One sale unit supplies a pair. |
| Selectable finishes | Walnut; Gloss Black; Gloss White |
| Height | 1220 mm with spikes / washers |
| Width | 270 mm with spikes / washers |
| Depth | 380 mm with spikes / washers |
| Weight | 37 kg |
| Type | 4-way, bass reflex |
| Woofer | 4 × 150 mm Ø, AS cone |
| Low-midrange | 1 × 180 mm Ø, AS-XR cone |
| High-midrange | 1 × 50 | 130 mm Ø, aluminium cone |
| Tweeter | 1 × JET 6 |
| Crossover frequency | 120 | 400 | 2600 Hz |
| Nominal power handling | 240 W |
| Minimum impedance | 3.0 Ω at 360 Hz |
| Peak power handling | 300 W |
| Frequency range (IEC 268-5) | 24–50,000 Hz |
| Sensitivity | 88 dB / 2.83 V / m |
| Suitable amplifier impedance | 4–8 Ω |
| Nominal impedance | 4 Ω |
| Recommended amplifier power | 60–500 W / channel |
| Finishes in technical sheet | Black High Gloss, White High Gloss; Walnut also listed in the current official colour selector |
| Accessories included | Bi-wiring set, gloves, spike set, washers |