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      DMA70-4 Breitbandlautsprecher

      DMA70-4 Breitbandlautsprecher

      €20,95

      Dayton Audio DMA70-4 Breitbandlautsprecher

      3 reviews
      5 von 5
      3 reviews
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      17,31 €20,95 € 10+ Auf Lager
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      Produktbeschreibung

      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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      Eigenschaften

      Artikelnummer:
      DMA70-4
      Tieftöner-Serie
      DMA series
      Tieftönertyp
      Full-range
      Nenndurchmesser
      2-1/2”
      Belastbarkeit (QMW)
      20 Watts
      Belastbarkeit (max)
      30 Watts
      Impedanz (Z)
      4 ohms
      Empfindlichkeit (SPL bei 1m / 2,83V)
      86.2 dB
      Frequenzgang
      120 to 20,000 Hz
      Schwingspulendurchmesser
      1"
      Gleichstromwiderstand (Re)
      3.98 ohms
      Schwingspuleninduktion (Le)
      0.3 mH
      Resonanzfrequenz (Fs)
      113 Hz
      Mechanische Güte (Qms)
      2.04
      Elektrische Güte (Qes)
      0.56
      Gesamtgüte (Qts)
      0.44
      Bewegliche Masse (Mms)
      2.8g
      Nachgiebigkeit der Aufhängung (Cms)
      0.71 mm/N
      Membranfläche (Sd)
      22.9 cm²
      Kraftfaktor (BL)
      3.7 Tm
      Äquivalentvolumen (Vas)
      0.018 ft.³
      Maximale Auslenkung (Xmax)
      2 mm
      Cone / Diaphragm Material
      Aluminum
      Sicke-Material
      Rubber
      Schwingspulendrahtmaterial
      Copper
      Schwingspulenformmaterial
      Aluminum
      Korb- / Rahmenmaterial
      Polymer
      Magnetmaterial
      Neodymium
      Außendurchmesser
      2.75" x 2.75"
      Gesamttiefe
      1.51"
      Ausschnittdurchmesser
      2.51"
      # Befestigungsbohrungen
      4
      Geschlossenes Volumen
      0.006ft.³
      Geschlossenes F3
      219 Hz
      Bassreflex Volumen
      0.029 ft.³
      Bassreflex F3
      102 Hz

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      5 von 5
      Es wurde keine Beschreibung gegeben.
      Durch Willi W. on 24 März 2021
      4 von 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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      Durch C. H. on 3 November 2020
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      DMA70-4 Breitbandlautsprecher
      17,31 €
      20,95 €
      DMA70-4 Breitbandlautsprecher
      10+ Auf Lager
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