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      DMA70-4 Woofer a Gamma Completa

      Dayton Audio DMA70-4 Woofer a Gamma Completa

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      Dayton Audio DMA70-4 Woofer a Gamma Completa

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      Marchio: Dayton Audio
      2.5" | 4 Ω
      DMA70-4 Woofer a Gamma Completa
      DMA70-4 Woofer a Gamma Completa
      DMA70-4 Woofer a Gamma Completa
      DMA70-4 Woofer a Gamma Completa
      DMA70-4 Woofer a Gamma Completa
      DMA70-4 Woofer a Gamma Completa
      € 17,31€ 20,95 10+ In magazzino
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      DMA70-4 Woofer a Gamma Completa
      DMA70-4 Woofer a Gamma Completa
      DMA70-4 Woofer a Gamma Completa
      DMA70-4 Woofer a Gamma Completa
      DMA70-4 Woofer a Gamma Completa
      DMA70-4 Woofer a Gamma Completa

      Descrizione del prodotto Dayton Audio DMA70-4 Woofer a Gamma Completa

      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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      Specifiche

      Numero dell'articolo:
      DMA70-4
      EAN
      0848791005220
      Serie del woofer
      Dayton Audio DMA series
      Tipo di woofer
      Full-range
      Diametro nominale
      2.5"
      Gestione della potenza (RMS)
      20 Watt
      Gestione della potenza (max)
      30 Watt
      Impedenza (Z)
      4 Ω
      Sensibilità (SPL a 1m / 2,83V)
      86.2 dB
      Risposta in frequenza
      120 - 20.000 Hz
      Diametro della bobina mobile
      25 mm
      Resistenza DC (Re)
      3.98 Ω
      Induttanza della bobina mobile (Le)
      0.30 mH
      Frequenza di risonanza (Fs)
      113 Hz
      Fattore di merito meccanico (Qms)
      2.04
      Fattore di merito elettromagnetico (Qes)
      0.56
      Fattore di merito totale (Qts)
      0.44
      Massa del diaframma incl. la massa dell'aria (Mms)
      2.8 g
      Cedevolezza meccanica della sospensione (Cms)
      0.71 mm/N
      Superficie del cono (Sd)
      22.9 cm²
      Prodotto BL (BL)
      3.7 Tm
      Volume equivalente di cedevolezza (Vas)
      0.51 L
      Escursione lineare massima (Xmax)
      2 mm
      Materiale del cono / diaframma
      Aluminum
      Materiale della sospensione
      Rubber
      Materiale del filo della bobina mobile
      Copper
      Supporto della bobina mobile
      Aluminum
      Materiale del cestello / telaio
      Polymer
      Materiale del magnete
      Neodymium
      Diametro esterno complessivo
      69.85 x 69.85 mm
      Profondità complessiva
      38.35 mm
      Diametro del ritaglio del pannello frontale
      63.75 mm
      # Numero di fori di montaggio
      4
      Volume per cassa sigillata
      0.17 L
      Frequenza di risonanza della cassa sigillata (F3)
      219 Hz
      Volume per cassa reflex
      0.82 L
      Frequenza di risonanza della cassa reflex (F3)
      102 Hz

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      Recensioni

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      5 di 5
      Es wurde keine Beschreibung gegeben.
      Da Willi W. on 24 Marzo 2021
      4 di 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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      Da C. H. on 3 Novembre 2020
      Show more
      DMA70-4 Woofer a Gamma Completa
      € 17,31
      € 20,95
      DMA70-4 Woofer a Gamma Completa
      10+ In magazzino
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