| Varenummer: | 125-472 |
| Varekode: | SP-38A/500BS |
| Vægt: | 11.7kg |


| Impedance (Z) | 8Ω |
| Resonant frequency (fs) | 37Hz |
| Max. frequency range | f3-3,500Hz |
| Rec. crossover freq. (fmax.) | 3,500Hz |
| Music power | 1,500WMAX |
| Power rating (P) | 500WRMS |
| SPL (1W/1m) | 97dB |
| Suspension compl. (Cms) | 0.16mm/N |
| Moving mass (Mms) | 107g |
| Mech. resistance (Rms) | 5.85kg/s |
| Mech. Q factor (Qms) | 4.37 |
| Electr. Q factor (Qes) | 0.38 |
| Total Q factor (Qts) | 0.35 |
| Equivalent volume (Vas) | 168 l |
| DC resistance (Re) | 6Ω |
| Voice coil induct. (Le) | 1.6mH |
| Voice coil diameter | 100mm |
| Voice coil former | Kapton |
| Voice coil winding height | 20mm |
| Air gap height | 8mm |
| Linear excursion (XMAX) | ±6mm |
| Eff. cone area (Sd) | 855cm2 |
| Volume displacement (Vd) | 513cm3 |
| Force factor (BxL) | 18.25Tm |
| Reference efficiency (No) | 2.3% |
| Magnet diameter | 222mm |
| Magnet weight | 2.6kg |
| Mounting cutout | Ø 355mm |
| Mounting depth | 160mm |
| Dimensions | Ø 385mm |
| Weight | 9.9kg |
| Rec. net cabinet volume | |
|
Closed |
65 l |
|
Bass-reflex |
> 90 l |
Subwoofer with extra low limit frequency, but at the same time of optimum high efficiency, mechanically ultra-stable due to double centering spiders. Professional PA subwoofer, 1,500WMAX, 500 WRMS, 8 Ω