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KFC-W2511
25cm Component Subwoofer
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 |
| Speaker Basket | Steel |
| Speaker Surround | High-Roll Rubber |
| Spider Type | Super Linear Spider |
| 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 |
| Mounting Depth | 142.7mm |
| Mouting Hole Diameter Ø | 230mm |
| Speaker Weight | 4100gr |
| Gross Weight | 5000gr |
| Weight of Magnet | 1230gr |
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) |