This is a 2½ DUAL MAGNET FULL RANGE DRIVER of brand Dayton Audio.

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TECHNICAL SHEET
Title 2½ DUAL MAGNET FULL RANGE DRIVER
Notes ALUMINIUM CONE Designed for the highest performance while delivering maximum value, the no compromise design of the DMA70-4 produces true full-range output capability with minimal distortion. The motor uses dual neodymium magnets creating a strong and symmetrical magnetic field providing high efficiency with excellent cone control. The magnet assembly also includes a large copper cap and sleeve to lower inductance and distortion resulting in improved high frequency response. The 2-layer 1 voice coil is wound on an extensively vented aluminium former providing excellent heat dissipation for high power handling and low power compression. A rubber surround and large spider keeps the lightweight aluminium cone linear with superb mechanical damping. In addition, the aluminium dust cap is attached directly to the voice coil former to improve high frequency response with terrific off axis performance. Holding everything together is a proprietary 8-spoke frame with an extremely open design that has extensive venting under the spider and ample room for high excursion. Furthermore, Dayton Audio designed the frame for all the DMA Series with DIY speaker builders in mind. The oversized mounting flange means that no precision cutouts are necessary. To ensure an easy installation, the terminals are oriented in such a way that no odd cutouts or notches are needed for connector or wire clearance. Finally, the corners have a 1/8 radius, meaning that for flush mounting you can get a perfect fit using any standard 1/4 straight cut router bit.Providing high efficiency with low distortion, Dayton Audios DMA70-8 2.5 aluminum cone full-range is an ideal driver for use in many of todays modern speaker designs. Whether you are designing a portable Bluetooth speaker, sound bar, compact desktop speaker, or even a high output line array the DMA70-8 is the perfect full-range for the job. Designed for the highest performance while delivering maximum value, the no compromise design of the DMA70-8 produces true full-range output capability with minimal distortion. The motor uses dual neodymium magnets creating a strong and symmetrical magnetic field providing high efficiency with excellent cone control. The magnet assembly also includes a large copper cap and sleeve to lower inductance and distortion resulting in improved high frequency response. The 2-layer 1 voice coil is wound on an extensively vented aluminum former providing excellent heat dissipation for high power handling and low power compression. A rubber surround and large spider keeps the lightweight aluminum cone linear with superb mechanical damping. In addition, the aluminum dust cap is attached directly to the voice coil former to improve high frequency response with terrific off axis performance. Holding everything together is a proprietary 8-spoke frame with an extremely open design that has extensive venting under the spider and ample room for high excursion. Furthermore, Dayton Audio designed the frame for all the DMA Series with DIY speaker builders in mind. The oversized mounting flange means that no precision cutouts are necessary. To ensure an easy installation, the terminals are oriented in such a way that no odd cutouts or notches are needed for connector or wire clearance. Finally, the corners have a 1/8 radius, meaning that for flush mounting you can get a perfect fit using any standard 1/4 straight cut router bit.Excellent high frequency response for true full-range applicationsDual neodymium motor to create a symmetrical magnetic field for superb controlLarge copper cap lowers distortion while improving high frequency responseVented aluminium voice coil former with exceptional heat dissipation for high power handlingExclusive 8-spoke open frame design provides extensive venting and minimal reflectionDIY friendly, oversized mounting flange makes installation simple
DescriptionDMA70-8 2-1/2' Dual Magnet Aluminum Cone Full-Range Driver 8 Ohm
ManufacturerDayton Audio
Zn8Ω
Re7.5Ω
Fs113.7 Hz
Power20Wrms
Sens.82.9 dB
Qms2.06
Qes0.73
Qts0.5
Vas0.57L
Size2.5'
SeriesFull-Range
Impedance8Ω (Re 7.5Ω)
Impedance (Ohm)8 ohm
Depth38.6mm
Diam.70x70mm
Hole63.8mmØ
Le0.5 mH
Cms0.73 mm/N
Power (RMS)0-50 Watt
QTY1
Xmax2.0 mm
Inch2.5
Mms2.6 g
Prms20W
Sd22.9 cm²
Coil25.4 mm
Vd4.6 cm³
Bl4.7 Tm
Pmax40 watts
UPC848791005237
ColourBlack
Brand.Dayton Audio
Price Typeeach
TypeFull-Range
SKU NoWES_DMA70-8_1

 

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MPN DMA70-8
SKU WES_DMA70-8_1
Brand Dayton Audio