HiFi bass speaker, 120WMAX, 8 ohm A powerful all-round speaker with voice coil above average and long-time stable rubber surround, a powerful bass reproduction of high efficiency.
| Impedance (Z) | 8 ohm |
| Resonant frequency (fs) | 23Hz |
| Max. frequency range | f3-3,000Hz |
| Rec. crossover freq. (fmax.) | 2,000Hz |
| Music power | 120WMAX |
| Power rating (P) | 60WRMS |
| SPL (1W/1m) | 91dB |
| Suspension compl. (Cms) | 1.19mm/N |
| Moving mass (Mms) | 42g |
| Mech. resistance (Rms) | 2.1kg/s |
| Mech. Q factor (Qms) | 2.86 |
| Electr. Q factor (Qes) | 0.26 |
| Total Q factor (Qts) | 0.24 |
| Equivalent volume (Vas) | 205 l |
| DC resistance (Re) | 6.1 ohm |
| Voice coil induct. (Le) | 1.5mH |
| Voice coil diameter | 50mm |
| Voice coil former | aluminium |
| Voice coil winding height | 17mm |
| Air gap height | 8mm |
| Linear excursion (XMAX) | ±4.5mm |
| Eff. cone area (Sd) | 350cm2 |
| Volume displacement (Vd) | 157.5cm3 |
| Force factor (BxL) | 11.7Tm |
| Reference efficiency (No) | 0.9% |
| Magnet diameter | 140mm |
| Magnet weight | 39oz. |
| Mounting cutout | Ø 235mm |
| Mounting depth | 108mm |
| Dimensions | Ø 257mm |
| Weight | 3.22kg |
| Rec. net cabinet volume | |
| Closed | 30 l |
| Bass-reflex | 55 l |