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Dayton Audio DMA70-8 2-1/2" Dual Magnet Aluminum Cone Full-Range Driver

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  • Article code: DMA70-8
  • Stock: 9 In stock

Dayton Audio's DMA70-8 2-1/2” 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 am

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Product description

Dayton Audio DMA70-8 2-1/2" Dual Magnet Aluminum Cone Full-Range Driver

Dayton Audio's DMA70-8 2-1/2” 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.

 

Highlights

  • Excellent high frequency response for true full-range applications
  • Dual neodymium motor to create a symmetrical magnetic field for superb control
  • Large copper cap lowers distortion while improving high frequency response
  • Vented aluminum voice coil former with exceptional heat dissipation for high power handling
  • Exclusive 8-spoke open frame design provides extensive venting and minimal reflection
  • DIY friendly, oversized mounting flange makes installation simple
  • Matching tunable passive radiators also available!

 

Product details

Dayton Audio DMA70-8 2-1/2” Dual Magnet Aluminum Cone Full-Range Driver 8 Ohm

 

Providing high efficiency with low distortion, Dayton Audio's DMA70-8 2-1/2” aluminum cone full-range is an ideal driver for use in many of today's 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 1/8" straight cut router bit.

Specifications

Specifications for: DMA70-8 2-1/2" Dual Magnet Aluminum Cone Full-Range Driver

  • Woofer Series Specific woofer production line of the manufacturer. DMA series
  • Woofer Type The driver type for example subwoofer, mid-woofer, full range or coaxial woofer. Full-range
  • Nominal Diameter The approximate diameter of the driver, measured in inches. 2-1/2”
  • Power Handling (RMS) The average power handling capability of a driver (coil) in electric power (watts) for a long period of time without damaging the driver. RMS stands for Root Mean Square 20 Watts
  • Power Handling (max) The maximum electrical power that a woofer (coil) can handle for a short period of time before it is damaged. 30 Watts
  • View all specifications
  • Continuous Program Power
  • Impedance 8 ohms
  • Sensitivity 82.9 dB 2.83V/1m
  • Frequency Response 110 to 20,000 Hz
  • Voice Coil Diameter 1"
  • Magnet Weight
  • DC Resistance (Re) 7.5 ohms
  • Voice Coil Inductance (Le) 0.47 mH
  • Resonant Frequency (Fs) 113 Hz
  • Mechanical Q (Qms) 2.06
  • Electromagnetic Q (Qes) 0.66
  • Total Q (Qts) 0.50
  • Diaphragm Mass Inc. Airload (Mms) 2.6g
  • Moving Mass Of Diaphragm (Mmd)
  • Mechanical Compliance of Suspension (Cms) 0.73 mm/N
  • Surface Area of Cone (Sd) 22.9 cm²
  • Volume of Displacement (Vd)
  • BL Product (BL) 4.7 Tm
  • Compliance Equivalent Volume (Vas) 0.02 ft.³
  • Maximum Linear Excursion (Xmax) 2.0 mm
  • Driver's Mechanical Losses (Rms)
  • Cone / Diaphragm Material Aluminum
  • Surround Material Rubber
  • Voice Coil Wire Material Copper
  • Voice Coil Former Aluminum
  • Dual Voice Coil
  • Basket / Frame Material Polymer
  • Magnet Material Neodymium
  • Shielded
  • Overall Outside Diameter 2.75" x 2.75"
  • Overall Depth 1.51"
  • Baffle Cutout Diameter 2.51"
  • Bolt Circle Diameter
  • # Mounting Holes 8
  • Mounting Hole Diameter
  • Sealed Volume 0.013ft.³
  • Sealed F3 179 Hz
  • Vented Volume 0.036 ft.³
  • Vented F3 88 Hz

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Reviews

User reviews 5 / 5 Reviews: (1)

  • BA By Boštjan A. on 09-05-2019 14:02

    5 / 5

    I was searching for replacement speakers for my Logitech Z-2300 and these are a perfect fit. Nice sound, good quality.

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DMA70-8 2-1/2" Dual Magnet Aluminum Cone Full-Range Driver

DMA70-8 2-1/2" Dual Magnet Aluminum Cone Full-Range Driver

€ 14,95

SoundImports 9,6 / 10 - 2.351 Reviews @ Kiyoh
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