Key Features
| 250mm oversized Carbon-glas fibre cone woofer | 
| Super linear spider | 
| Dual magnet drive | 
| Rubber magnet cover | 
| High-Excursion rubber surround | 
| Dual voice coil: 4Ω + 4Ω | 
| Loudspeaker standard CEA-2031 compliant | 
Speaker Features
| Speaker Type | Subwoofer | 
| Peak input power | 800 Watts + 800 Watts, | 
| Rated input power | 250 Watts + 250 Watts | 
| Speaker Size | 250mm | 
| Oversized Dimension | Yes | 
| Speaker Cone Design | Carbon-Glass Fiber Cone | 
| Magnetic Circuit | Multi Bias | 
| Magnet Type | Ferrit | 
| Dual Voice Coil System | Yes, 2 x 4Ω | 
| Terminals | Gold-Plated Screw Lock | 
| Terminals Gold plated | Yes | 
| Gasket Installation | one-way | 
| Installation Capabillity | Sealed/ Ported | 
Speaker/woofer Specifications
| Peak input power | 800 Watts + 800 Watts | 
| Maximum input power | 400 Watts + 400 Watts | 
| Rated input power | 250 Watts + 250 Watts | 
| Woofer Cone material | Carbon PP Cone | 
| Spider Type | Super Linear Spider | 
| Speaker Basket | Aluminum Die-Cast | 
| Weight of Magnet | 1700gr | 
| Speaker Surround | High-Roll Butyl Rubber | 
| Sensitivity | 84dB/W/m | 
| Frequency Response | 36Hz ~ 500Hz | 
| Subwoofer Impedance | 4Ω x 2 | 
| Dimensions (W x H x D) | 275 x 275 x 161.2mm | 
| Mouting Hole Diameter | 232mm x 0mm | 
| Mounting Depth | 147mm | 
| Speaker Weight | 4600gr | 
| Gross Weight | 5800gr | 
Subwoofer Parameters
| Nominal impedance (Z) | 4Ω + 4Ω | 
| DC resistance (Re) | 3Ω + 3Ω | 
| Resonant frequency (FSO) | 42.4Hz | 
| Mechanical Q factor (QMS) | 3.892 | 
| Electrical Q factor (QES) | 0.848 | 
| Total Q factor (QTS) | 0.696 | 
| Voice coil inductance (LBM) | 0.56mH | 
| Force factor (BL) | 6.66T/m | 
| Peak excursion Xmax | 6.9mm | 
| Moving mass (MMS) | 94.2gr. | 
| Volume accoustic compliance (VAS) | 25.48liter | 
| Piston Area (SD) | 0.035m² | 
| Displacement | 1790cc | 
| Sealed box volume | 25.3liter | 
| Sealed Box Dimensions | 330 x 375 x 325mm ( 19mm thick MDF)(WxHxD) | 
| Vented box volume | 35.4liter | 
| Vented Box Dimensions | 485 x 340 x 300mm ( 19mm thick MDF)(WxHxD) | 
| Port dimensions (labyrinth) (W x H x L) | 35 x 302 x 480mm | 
Accessories
| Gasket | 1 piece(s) | 




 
							




