Key Features
| 250mm Carbon-Glass Fiber Honeycomb Cone Subwoofer | 
| Super Linear Spider | 
| Smooth Linear Surround | 
| Heat transfer structure | 
| Shallow Mount | 
Speaker Features
| Speaker Type | Subwoofer | 
| Peak Input Power | 1000W | 
| Rated Input Power | 250W | 
| Speaker Size | 250mm | 
| Speaker Cone Design | Carbon-Glass Fiber Honeycomb Cone | 
| Magnet Type | Ferrit | 
| Terminals | Silver-plated Push Type | 
| Heat Transfer Motor Circuit | Yes | 
| Magnet Cover | Aluminum Die-Cast Basket | 
| Gasket Installation | two-sided | 
| Installation Capabillity | Sealed/ Ported | 
Speaker/woofer Specifications
| Peak Input Power | 1000W | 
| Maximum Input Power | 500W | 
| Rated Input Power | 250W | 
| Woofer Cone material | Carbon-Glass Fiber Honeycomb Cone | 
| Spider Type | Super Linear Spider | 
| Speaker Basket | Aluminum Die-Cast | 
| Weight of Magnet | 1080gr | 
| Speaker Surround | Rubber | 
| Sensitivity | 90dB/W/m | 
| Frequency Response | 35Hz ~ 800Hz | 
| Speaker Impedance | 4Ω | 
| Dimensions (W x H x D) | 275 x 275 x 108mm | 
| Mouting Hole Diameter Ø | 232mm | 
| Mounting Depth | 85mm | 
| Speaker Weight | 4700gr | 
| Gross Weight | 5600gr | 
Subwoofer Parameters
| Nominal impedance (Z) | 4Ω | 
| DC resistance (Re) | 3.0Ω | 
| Resonant frequency (FSO) | 38.6Hz | 
| Mechanical Q factor (QMS) | 5.279 | 
| Electrical Q factor (QES) | 0.836 | 
| Total Q factor (QTS) | 0.722 | 
| Voice coil inductance (LBM) | 2.1mH | 
| Voice coil diameter (d) | 50mm | 
| Force factor (BL) | 10.7T/m | 
| Peak excursion Xmax | 7.5mm | 
| Moving mass (MMS) | 127gr. | 
| Volume accoustic compliance (VAS) | 21.05liter | 
| Piston Area (SD) | 0.034m² | 
| Displacement | 1110cc | 
| Sealed box volume | 17liter | 
| Sealed Box Dimensions (trapezium shape) | 718 x 324 x 103 x 160mm ( 21mm thick MDF)(WxHxD1xD2) | 
| Vented box volume | 17liter | 
| Vented Box Dimensions (trapezium shape) | 718 x 324 x 103 x 160mm ( 21mm thick MDF)(WxHxD1xD2) | 
| Vented box port diameter/length | Ø 76mm / 280mm | 
Accessories
| Screws (Parker-type) | Ø 5 x 30mm, 8 pieces | 
| Badge | 2 pieces | 
| Gasket | 1 piece(s) | 
| Cushion | 1 piece(s) | 




 
							