United Kingdom



25cm Component Subwoofer

Key Features

250mm P.P.Cone with fiber texture
1000W Maximum Input Power
Push Terminals
Super Linear spider
Reversible gasket
High-roll uerthane surround
Double stags magnet

Speaker Features

Speaker TypeSubwoofer
Peak Input Power1000W
Rated Input Power300W
Speaker Size250mm
Speaker Cone DesignStainless Coated Cone
Magnet TypeFerrit
TerminalsSilver-plated Push Type
Magnet CoverRubber
Gasket Installationtwo-sided
Installation CapabillitySealed/ Ported

Speaker/woofer Specifications

Peak Input Power1000W
Maximum Input Power500W
Rated Input Power300W
Woofer Cone materialInjection P.P. Cone
Speaker BasketSteel
Speaker SurroundHigh-roll urethane
Spider TypeSuper Linear Spider
Frequency Response37Hz ~ 300Hz
Subwoofer Impedance4Ω x 1
Dimensions (W x H x D)275 x 275 x 149.5mm
Mounting Depth134.7mm
Mouting Hole Diameter Ø230mm
Speaker Weight3840gr
Weight of Magnet1230gr

Subwoofer Parameters

Nominal impedance (Z)4Ω
DC resistance (Re)3.5Ω
Resonant frequency (FSO)48Hz
Mechanical Q factor (QMS)14.047
Electrical Q factor (QES)1.821
Total Q factor (QTS)1.612
Voice coil inductance (LBM)1.15mH
Voice coil diameter (d)50mm
Force factor (BL)7.5T/m
Peak excursion Xmax12.9mm
Moving mass (MMS)99.2gr.
Volume accoustic compliance (VAS)19.7liter
Piston Area (SD)0.035m²
Sealed box volume25.3liter
Sealed Box Dimensions330 x 375 x 325mm ( 19mm thick MDF)(WxHxD)
Vented box volume35.4liter
Vented Box Dimensions485 x 304 x 300mm ( 19mm thick MDF)(WxHxD)
Port dimensions (labyrinth) (W x H x L)35 x 322 x 500mm


Screws (Parker-type)Ø 4 x 35mm, 8 pieces
Gasket1 piece(s)