| Varenummer: | 123-980 |
| Varekode: | SPH-250CTC |
| Vægt: | 4.2kg |


| Impedance (Z) | 2 x 8Ω |
| Resonant frequency (fs) | 20Hz |
| Max. frequency range | f3-3,500Hz |
| Rec. crossover freq. (fmax.) | 2,000Hz |
| Music power | 2 x 150WMAX |
| Power rating (P) | 2 x 100WRMS |
| SPL (1W/1m) | 91dB |
| Suspension compl. (Cms) | 0.98mm/N |
| Moving mass (Mms) | 70g |
| Mech. resistance (Rms) | 1.7kg/s |
| Mech. Q factor (Qms) | 5.12 |
| Electr. Q factor (Qes) | 0.26 |
| Total Q factor (Qts) | 0.25 |
| Equivalent volume (Vas) | 220 l |
| DC resistance (Re) | 2 x 6.8Ω/3.4Ω |
| Voice coil induct. (Le) | 2 x 1.0mH/1.0mH |
| Voice coil diameter | 50mm |
| Voice coil former | Kapton |
| Voice coil winding height | 17mm |
| Air gap height | 8mm |
| Linear excursion (XMAX) | ±4.5mm |
| Eff. cone area (Sd) | 343cm2 |
| Volume displacement (Vd) | 155.7cm3 |
| Force factor (BxL) | 9.6Tm |
| Reference efficiency (No) | 0.8% |
| Magnet diameter | 145mm |
| Magnet weight | 1.2kg |
| Mounting cutout | Ø 229mm |
| Mounting depth | 120mm |
| Dimensions | Ø 256mm |
| Weight | 3.8kg |
| Rec. net cabinet volume | |
|
Closed |
35 l |
|
Bass-reflex |
60 l |
Hi-fi subwoofer, 2 x 150WMAX, 2 x 8Ω
High-end speaker with aluminium diecast basket, dual voice coil and carbon fibre cone. A preferred size for hi-fi subwoofers of highest quality in medium-sized bass-reflex cabinets or also for 3-way speakers!