DISCONTINUED MODEL
| Key Features | 250mm Injection P.P.Cone Woofer | |
| 1000W Maximum Input Power | ||
| Push Terminals | ||
| Removable and Reversible Gasket | ||
| Long Stroke Design | ||
| Speaker Features | Speaker Type | Subwoofer |
| Peak Input Power | 1000W | |
| Rated Input Power | 300W | |
| Speaker Size | 250mm | |
| Speaker Cone Design | Stainless Coated Cone | |
| Magnet Type | Ferrit | |
| Terminals | Silver-plated Push Type | |
| Magnet Cover | No | |
| Gasket Installation | two-sided | |
| Installation Capabillity | Sealed/ Ported |
| Speaker/woofer Specifications | Peak Input Power | 1000W |
| Maximum Input Power | 600W | |
| Rated Input Power | 300W | |
| Woofer Cone material | Injection P.P. Cone | |
| Spider Type | Super Linear Spider | |
| Speaker Basket | Steel | |
| Weight of Magnet | 1230gr | |
| Speaker Surround | High-Roll Rubber | |
| Sensitivity | 90dB/W/m | |
| Frequency Response | 30Hz ~ 1000Hz | |
| Subwoofer Impedance | 4Ω x 1 | |
| Dimensions (W x H x D) | 275 x 275 x 164.7mm | |
| Mouting Hole Diameter Ø | 230mm | |
| Mounting Depth | 142.7mm | |
| Speaker Weight | 4100gr | |
| Gross Weight | 5000gr |
| Subwoofer Parameters | Nominal impedance (Z) | 4Ω |
| DC resistance (Re) | 4 | |
| Resonant frequency (FSO) | 60Hz | |
| Mechanical Q factor (QMS) | 8.57 | |
| Electrical Q factor (QES) | 0.932 | |
| Total Q factor (QTS) | 0.84 | |
| Voice coil inductance (LBM) | 2.8mH | |
| Voice coil diameter (d) | 48mm | |
| Force factor (BL) | 13.9T/m | |
| Peak excursion Xmax | 6.9mm | |
| Moving mass (MMS) | 122.9gr. | |
| Volume accoustic compliance (VAS) | 9.384liter | |
| Piston Area (SD) | 0.035m² | |
| Displacement | 3552cc | |
| Sealed box volume | 28.3liter | |
| Sealed Box Dimensions | 330 x 390 x 325mm ( 21mm thick MDF)(WxHxD) | |
| Vented box volume | 35.4liter | |
| Vented Box Dimensions | 340 x 455 x 330mm ( 21mm thick MDF)(WxHxD) | |
| Vented box port diameter/length | Ø 76mm / 178mm |
| Accessories | Screws (Parker-type) | Ø 4 x 35mm, 8 pieces |
| Gasket | 1 piece(s) |