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        DMA70-4 Full-range Woofer

        DMA70-4 Full-range Woofer

        €20,95

        Dayton Audio DMA70-4 Full-range Woofer

        3 reviews
        5 van 5
        3 reviews
        5 sterren
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        4 sterren
        33%
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        € 17,31€ 20,95 10+ Op voorraad
        • -5% Bestel 4 voor slechts € 19,90 per stuk

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        Productomschrijving

        Dayton Audio's DMA70-4 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 DMA70-4 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 DMA70-4 2-1/2” Dual Magnet Aluminum Cone Full-Range Driver 4 Ohm

         

        Providing high efficiency with low distortion, Dayton Audio's DMA70-4 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 DMA70-4 is the perfect full-range for the job.

        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 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.

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        Specificaties

        Artikelnummer
        DMA70-4
        Woofer series
        DMA series
        Woofer type
        Full-range
        Nominale diameter
        2-1/2”
        Belastbaarheid (RMS)
        20 Watts
        Belastbaarheid (max)
        30 Watts
        Impedantie (Z)
        4 ohms
        Gevoeligheid (SPL bij 1m / 2.83V)
        86.2 dB
        Frequentierespons
        120 to 20,000 Hz
        Spreekspoeldiameter
        1"
        Gelijkstroomweerstand (Re)
        3.98 ohms
        Spreekspoelinductie (Le)
        0.3 mH
        Resonantiefrequentie (Fs)
        113 Hz
        Mechanische Q (Qms)
        2.04
        Elektrische Q (Qes)
        0.56
        Totale Q (Qts)
        0.44
        Bewegende massa (Mms)
        2.8g
        Compliantie van de ophanging (Cms)
        0.71 mm/N
        Effectief oppervlak (Sd)
        22.9 cm²
        Krachtsfactor (BL)
        3.7 Tm
        Equivalentvolume (Vas)
        0.018 ft.³
        Maximale excursie (Xmax)
        2 mm
        Cone / Diaphragm Material
        Aluminum
        Surroundmateriaal
        Rubber
        Spreekspoel draadmateriaal
        Copper
        Spreekspoel vormermateriaal
        Aluminum
        Mand- /framemateriaal
        Polymer
        Magneetmateriaal
        Neodymium
        Totale buitendiameter
        2.75" x 2.75"
        Totale diepte
        1.51"
        Montagegatdiameter
        2.51"
        # Bevestigingsgaten
        4
        Gesloten volume
        0.006ft.³
        Gesloten F3
        219 Hz
        Gepoort volume
        0.029 ft.³
        Gepoort F3
        102 Hz

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        5 van 5
        Es wurde keine Beschreibung gegeben.
        Door Willi W. on 24 Maart 2021
        4 van 5
        Mini-Review DaytonAudio DMA70-4 driver. -toepassing: geluidsbron voor audiometingen in gesloten ruimtes (o.m. nagalm/RT) en in open lucht (isolatie/demping/..); => eis is licht, goed transportabel. - gebruikt in (6 mm MDF) kastje, ca. 11x11x6 cm uitwendig, gevuld met polyesterwol en kapok; - versterker: 2x15 W (nom., 4 Ohm), beide kanalen parallel (let op: met passende weerstanden en inductors!); - met 14.8 V Lipo accu bruikbaar vermogen ca...

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        Door C. H. on 3 November 2020
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        DMA70-4 Full-range Woofer
        € 17,31
        € 20,95
        DMA70-4 Full-range Woofer
        10+ Op voorraad
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