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KFC-W2513
25 cm subwoofer
DISCONTINUED MODEL
Key Features
| 250mm P.P.Cone with fiber texture |
| Diamond Array Diaphragm |
| 1000W Maximum Input Power |
| Dual Ventilation System |
| Rubber surround |
| Push Terminals |
| Reversible gasket |
Speaker Features
| Speaker Type | Subwoofer |
| Peak Input Power | 1000W |
| Rated Input Power | 300W |
| Speaker Size | 250mm |
| Speaker Cone Design | Diamond-Array pattern |
| Magnet Type | Ferrit |
| Terminals | Silver-plated Push Type |
| Dual Ventilation System | Yes |
| Speaker cover | Yes, as part of dual ventilation system |
| 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 | Rubber |
| Sensitivity | 82dB/W/m |
| Frequency Response | 39Hz ~ 300Hz |
| Subwoofer Impedance | 4Ω x 1 |
| Dimensions (W x H x D) | 275 x 275 x 143.2mm |
| Mounting Depth | 127mm |
| Mouting Hole Diameter Ø | 232mm |
| Speaker Weight | 4000gr |
| Weight of Magnet | 1230gr |
Subwoofer Parameters
| Nominal impedance (Z) | 4Ω |
| DC resistance (Re) | 3,6 Ω |
| Resonant frequency (FSO) | 31Hz |
| Mechanical Q factor (QMS) | 8.24 |
| Electrical Q factor (QES) | 0.575 |
| Total Q factor (QTS) | 0.54 |
| Voice coil inductance (LBM) | 2.35mH |
| Voice coil diameter (d) | 50mm |
| Force factor (BL) | 11.2T/m |
| Peak excursion Xmax | 5.3mm |
| Moving mass (MMS) | 103.5gr. |
| Volume accoustic compliance (VAS) | 42.5liter |
| Piston Area (SD) | 0.035m² |
| Displacement | 1313cc |
| Sealed box volume | 18.4liter |
| Sealed Box Dimensions | 375 x 324 x 229mm ( 19mm thick MDF)(WxHxD) |
| Vented box volume | 28.3liter |
| Vented Box Dimensions | 470 x 318 x 273mm ( 19mm thick MDF)(WxHxD) |
| Port dimensions (labyrinth) (W x H x L) | 32 x 280 x 508mm |
Accessories
| Screws (Parker-type) | Ø 4 x 35mm, 8 pieces |
| Gasket | 1 piece(s) |