Key Features
| 250mm Injection P.P.Cone Woofer |
| 700W Maximum Input Power |
| Silver Plated Terminals |
| High-roll Urethane Surround |
Speaker Features
| Speaker Type | Subwoofer |
| Peak Input Power | 700W |
| Rated Input Power | 175W |
| Speaker Size | 250mm |
| Magnet Type | Ferrit |
| Terminals | Silver PLated Screw / slide type |
| Magnet Cover | No |
| Gasket Installation | one-way (Fixed) |
| Installation Capabillity | Sealed/ Ported |
Speaker/woofer Specifications
| Peak Input Power | 700W |
| Maximum Input Power | 350W |
| Rated Input Power | 175W |
| Woofer Cone material | Injection P.P. Cone |
| Speaker Basket | Steel |
| Weight of Magnet | 748gr |
| Speaker Surround | Urethane |
| Sensitivity | 90dB/W/m |
| Frequency Response | 35Hz ~ 1000Hz |
| Subwoofer Impedance | 4Ω x 1 |
| Dimensions (W x H x D) | 276 x 276 x 141mm |
| Mouting Hole Diameter Ø | 230mm |
| Mounting Depth | 120.8mm |
| Speaker Weight | 3010gr |
| Gross Weight | 3800gr |
Subwoofer Parameters
| Nominal impedance (Z) | 4Ω |
| DC resistance (Re) | 3.7Ω |
| Resonant frequency (FSO) | 34Hz |
| Mechanical Q factor (QMS) | 9.36 |
| Electrical Q factor (QES) | 0.517 |
| Total Q factor (QTS) | 0.49 |
| Voice coil inductance (LBM) | 2mH |
| Voice coil diameter (d) | 50mm |
| Force factor (BL) | 13.4T/m |
| Peak excursion Xmax | 4mm |
| Moving mass (MMS) | 109.7gr. |
| Volume accoustic compliance (VAS) | 36.6liter |
| Piston Area (SD) | 0.035m² |
| Displacement | 2294cc |
| 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 25mm, 8 pieces |



