HiFi subwoofer, 2 x 250WMAX, 2 x 8 ohm Stabilised polypropylene cone, dual voice coil, perfect parameters for a reproduction of very low fundamental resonance in compact bass-reflex cabinets and band-pass cabinets, suitable for all HiFi, home cinema and car HiFi applications of high requirements.
| Impedance (Z) | 2 x 8 ohm |
| Resonant frequency (fs) | 23Hz |
| Max. frequency range | f3-2,000Hz |
| Rec. crossover freq. (fmax.) | 1,000Hz |
| Music power | 2 x 250WMAX |
| Power rating (P) | 2 x 120WRMS |
| SPL (1W/1m) | 91dB |
| Suspension compl. (Cms) | 0.85mm/N |
| Moving mass (Mms) | 68g |
| Mech. resistance (Rms) | 3.2kg/s |
| Mech. Q factor (Qms) | 3.03 |
| Electr. Q factor (Qes) | 0.26 |
| Total Q factor (Qts) | 0.24 |
| Equivalent volume (Vas) | 290 l |
| DC resistance (Re) | 2 x 6.3 ohm/3.2 ohm |
| Voice coil induct. (Le) | 2 x 1.0mH/1.0mH |
| Voice coil diameter | 50mm |
| Voice coil former | aluminium |
| Voice coil winding height | 16mm |
| Air gap height | 8mm |
| Linear excursion (XMAX) | ±4mm |
| Eff. cone area (Sd) | 495cm2 |
| Volume displacement (Vd) | 198cm3 |
| Force factor (BxL) | 10.3Tm |
| Reference efficiency (No) | 1.3% |
| Magnet diameter | 156mm |
| Magnet weight | 49.8oz. |
| Mounting cutout | Ø 280mm |
| Mounting depth | 140mm |
| Dimensions | Ø 306mm |
| Weight | 4.0kg |
| Rec. net cabinet volume | |
| Closed | 38 l |
| Bass-reflex | 72 l |