This is a 8 ULTIMAX DVC SUBWOOFER - DAYTON AUDIO of brand Dayton Audio.

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TECHNICAL SHEET
Title 8 ULTIMAX DVC SUBWOOFER - DAYTON AUDIO
Notes Dayton Audio's Ultimax Series DVC subwoofers are purpose-built to move air and create clean, articulate, fast bass. Optimised for small enclosures and with over 1-1/4 of throw, the UM8-22 8 subwoofer is perfect for providing deep bass without taking up much space.  It has dual 2 ohm voice coils allow for stereo 2 ohm and mono 1 ohm wiring configurations when connecting to high current car audio and professional audio amplifiers to extract maximum power. For home audio applications, simply wire the voice coils in series for a benign 4 ohm load for greater amplifier compatibility. To improve power handling, increase thermal management, and reduce power compression, this speaker features large black anodised formers and vented pole pieces, under-spider ventilation, and two-layer copper voice coils. Over 1-1/4 of travel (.67 Xmax) is kept completely linear through the use of dual spiders that also limit distortion and rocking modes. Tall-boy rubber surrounds with integrated gaskets maintain driver surface area during extreme excursion moments. The thick, one-piece Nomex honeycomb cone is covered with woven, heavy-duty glass fibers creating an ultra-stiff surface that resists deformation. A large copper sleeve and copper pole cap in the motor reduce energy storage from inductance, with the side benefit of lowering distortion for faster response. Large dual-stacked, high-energy magnets handle the heavy lifting and bring Qts down to a level where Ultimax subwoofers can be used in vented or sealed cabinets and enclosures.16 mm Xmax makes this one of the highest excursion 8 subwoofers on the marketThick, one-piece Nomex honeycomb covered cone with woven heavy-duty glass-fiberTall-boy rubber surround for extra-long linear excursion without reducing cone surface areaDual linear stiffness spiders limit distortion and rocking modes300 watts RMS power handlingBlack anodised aluminium former and black pole improves heat dissipationDual 2 ohm, 2-layer copper voice coils
Description8' Ultimax DVC Subwoofer 2 Ohms Per Coil
Cms0.33mm/N
Coil50.8nnmØ
Depth119.5mm
Diam.210mmØ
Fs31.6Hz
Impedance2x2Ω (Re 4.2Ω)
Impedance (Ohm)2+2 ohm
Inch8
Le1.14mH
ManufacturerDayton Audio
MaterialFibreglass
Mms74.5g
Power300Wrms
Power (RMS)200+ Watt
Price Typeeach
Qes0.75
Qms2.51
Qts0.58
QTY1
Re4.2Ω
Sd211.2cm²
Sens.84.2dB
SeriesUltimax Series
Size8'
TypeSubwoofer
Vas21.3L
Zn2x 2Ω
SKU NoWES_UM8-22_1

 

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MPN
SKU WES_UM8-22_1
Brand Dayton Audio