PS-series 25cm subwoofer

KFC-PS2517W

PS-series 25cm subwoofer

The KFC-PS2517W PS-Series 25cm Subwoofer delivers tight, punchy bass with up to 2000 W peak power from a tough polypropylene cone and high-ridged two-piece diaphragm. A heat-resistant aluminium bobbin, stress-controlled spider and optimised airflow support reliable, high-output performance, while its 4 ohm design and sealed or ported box compatibility help you build a strong, balanced bass system with ease.

    Oversized Dimension
    Heat dissipation technology

    Key Features

    Key Features250mm Polypropylene Cone (PP Cone)
    400 Rated/RMS Input Power
    High-ridged Two-piece Diaphragm for solid bass
    X-motif cap Technology for resonance control
    Single, multi-layered, voice coil.
    Aluminum bobbin for better thermal conductivity
    Airflow control for optimal heat radition
    Stress controlled spider
    Push-terminals for easy connection
    Sealed/Ported installation capabillity

    Speaker Features

    Speaker FeaturesSpeaker Size250mm
    Oversized DimensionYes
    Speaker Cone DesignDiamond-Array pattern
    Magnet TypeFerrit
    Voice-coilsingle, multi-layer voice coil
    TerminalsPush Type
    SpiderStress controlled spider
    Bottom-YokeFully closed bottom yoke
    Heat dissipation technologyAirflow control
    Installation CapabillitySealed / Ported

    Speaker/woofer Specifications

    Speaker/woofer SpecificationsPeak Input Power1300W
    Rated Input Power400W
    Woofer Cone materialPolypropylene (PP) Cone
    Center Cap Typex-motif cap
    Spider TypeStress controlled Spider
    Speaker BasketSteel
    Speaker SurroundFoam
    Sensitivity85dB/W/m
    Frequency Response33Hz ~ 300Hz
    Speaker Impedance4Ω
    Dimensions (W x H x D)275 x 275 x 142.2mm
    Mouting Hole Diameter Ø230mm
    Mounting Depth124mm
    Speaker Weight4000gr

    Subwoofer Parameters

    Subwoofer ParametersNominal impedance (Z)4Ω
    DC resistance (Re)3.7Ω
    Resonant frequency (FSO)33.7Hz
    Mechanical Q factor (QMS)6.95
    Electrical Q factor (QES)0.554
    Total Q factor (QTS)0.513
    Voice coil inductance (LBM)1.9mH
    Voice coil diameter (d)50mm
    Force factor (BL)13.2T/m
    Peak excursion Xmax5.9mm
    Moving mass (MMS)124gr.
    Volume accoustic compliance (VAS)31.9liter
    Piston Area (SD)0.0512m²
    Displacement0.9cc
    Sealed box volume18.4liter
    Sealed Box Dimensions375 x 324 x 229mm ( 18mm thick MDF)(WxHxD)
    Vented box volume25.5liter
    Vented Box Dimensions464 x 311 x 330mm ( 18mm thick MDF)(WxHxD)
    Port dimensions (labyrinth) (W x H x L)29 x 273 x 648mm