2½" DUAL MAGNET FULL RANGE DRIVER

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Order Code: DMA70-4

Availability: In Stock

DMA70-4 2-1/2" Dual Magnet Aluminium Cone Full-Range Driver 4 Ohm

ALUMINIUM CONE

Dayton Audios DMA70-8 2.5" high performance full-range driver combines a rigid aluminum cone, powerful dual magnet neodymium motor, and a proprietary open frame to create a state of the art speaker that delivers low distortion, natural response, and amazing high frequency capability. Make the DMA70-8 the first choice for your next smart speaker, portable Bluetooth speaker, or even high output line array design.

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 applications 18KHz
Dual neodymium motor for a symmetrical magnetic field for superb control
Large copper cap lowers distortion while improving high frequency response
Vented aluminium voice coil former heat dissipation for high power handling
8-spoke open frame design provides extensive venting and minimal reflection
DIY friendly, oversized mounting flange makes installation simple

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Found in Category : Speaker Drivers

Product Specs for 2½" DUAL MAGNET FULL RANGE DRIVER

Description	DMA70-4 2-1/2" Dual Magnet Aluminium Cone Full-Range Driver 4 Ohm
Manufacturer	Dayton Audio
Zn	4Ω
Re	4.0Ω
Fs	113.0 Hz
Power	20Wrms
Sens.	86.2 dB
Qms	2.04
Qes	0.56
Qts	0.44
Vas	1.4L
Size	2.5"
Series	DMA Series
Impedance	4Ω (Re 4.0Ω)
Impedance (Ohm)	4 ohm
Depth	38.6mm
Diam.	70x70mm
Hole	63.8mmØ
eBook	View Dayton Audio USA Brochure
Wagner eBook	03-125
Le	0.3 mH
Cms	0.71 mm/N
Power (RMS)	0-50 Watt
QTY	1
Xmax	2.0 mm
Inch	2.5
Mms	2.8 g
Prms	20W
Sd	22.9 cm²
Coil	25.4 mm
Bl	3.7 Tm
Vd	4.6 cm³
Pmax	40 watts
UPC	848791005220
Colour	Black
Brand.	Dayton Audio
Price Type	each
Type	Full Range

Description	File	Size
Datasheet	295-584dayton-audio-dma70-4-specification-sheet.pdf	225 KB
	295-584dayton-audio-dma70-4-specification-sheet.pdf	225 KB
Dayton Audio USA Catalogue	DaytonAudio.pdf	44432 KB

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