The original ELAC Concentro combines a modified JET 5 tweeter, ring-radiator midrange and dedicated midbass driver with four 250 mm woofers. Its large sculpted cabinet and multi-way crossover support a flagship stereo speaker system.
| 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 | Gloss Black; Gloss White |
| Tweeter | JET 5, modified |
| Midrange | 70/140 mm AS-XR Ring radiator |
| Midbass | 220 mm AS-XR Cone |
| Bass reflex tubes | 2 off 120x350 mm Cone |
| Woofer | 4 off 250 AS mm |
| Bass Loading | Vented Box |
| Crossover Frequencies | 120 / 360 / 2700 Hz |
| Frequency range | IEC 268-5: 18 - 50,000 Hz |
| Sensitivity | 90 dB/2.83V/m |
| Recommended amplifier power | 80 - 600 W/Channel |
| Suitable for amplifier rated | 4 - 8Ω |
| Rated power (Continuous) | 400 W |
| Rated power (Dynamic) | 600 W |
| Rated impedance | 4Ω |
| Binding posts | 5-way custom; bi-wirable |
| Magnetic shielding | No |
| Weight | 140 kg |
| Dimensions (WxHxD) | 460 × 1680 x 610 mm with spikes |