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      DMA70-PR Passivradiator

      DMA70-PR Passivradiator


      Dayton Audio DMA70-PR Passivradiator

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      Dayton Audio's DMA70-PR 2-1/2" aluminum cone passive radiator allows you to tune small enclosures lower than possible using conventional ports. Matching the DMA series of drivers drivers perfectly, this passive radiator is perfect for use in ultra-small designs like smart speakers, sound bars, and portable Bluetooth speakers.



      • Perfect match for the Dayton Audio DMA series drivers
      • Allows tuning small enclosures lower than using conventional ports
      • Rear mounted threaded post allows easy mass adjustment for custom tuning
      • DIY friendly, oversized mounting flange makes installation simple


      Product details

      Dayton Audio DMA70-PR 2-1/2" DMA Series Passive Radiator

      The DMA70-PR 2-1/2" passive radiator from Dayton Audio is the perfect option for achieving low tuning frequencies from the smallest enclosure designs. This incredibly small passive radiator has all the features you would expect lager units including adjustable mass, aluminum cone, and rubber surround. Visually identical to Dayton Audio's full-range DMA series drivers, the DMA70-PR can also be used with any small driver that requires a low tuning frequency. The threaded rod and included wing nut on the back of the cone makes it easy to add mass to tune the radiator as needed for your projects. Whether you are building a smart speaker, sound bar, or portable Bluetooth speaker, the Dayton Audio DMA70-PR introduces a new range of possibilities.


      Specifications: • Fs: 34.5 Hz • Vas: 0.046 ft³ (1.32 liters) • Qms: 3.86 • Cms: 1.77 mm/N • Mms: 12.0 g • Rms: 1.49 kg/s • Sd: 22.9 cm² • Xmech: 7 mm • Dimensions: Overall diameter: 2.75" x 2.75", Cutout diameter: 2.52", Depth: 1.73".


      Tip: As a general rule, the passive radiator(s) should have at least double the displacement of air (Vd) as the active woofer(s)/subwoofer(s) in the system.
      To calculate Vd: Sd x Xmax = Vd


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      DMA series
      Passiver radiator
      Resonanzfrequenz (Fs)
      34.5 Hz
      Mechanische Güte (Qms)
      Bewegliche Masse (Mms)
      12.0 g
      Nachgiebigkeit der Aufhängung (Cms)
      1.77 mm/N
      Membranfläche (Sd)
      22.9 cm²
      Äquivalentvolumen (Vas)
      0.046 ft³ (1.32 liters)
      Maximale Auslenkung (Xmax)
      7 mm
      Driver's Mechanical Losses (Rms)
      1.49 kg/s
      Cone / Diaphragm Material
      2.75" x 2.75"
      # Befestigungsbohrungen

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      4 von 5
      Very good In a compact size. Makes me want to try the larger units to see how low they can go
      Durch Patrick a. on 4 Juli 2019
      DMA70-PR Passivradiator
      9,88 €
      11,95 €
      DMA70-PR Passivradiator
      10+ Auf Lager
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