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      Dayton Audio ND91-4 3-1/2" Aluminum Cone Full-Range Driver 4 Ohm

      € 28,06€ 33,95 10+ In stock: delivery time 1-4 business days
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      Product description

      The low distortion and high excursion capabilities of the Dayton Audio ND91-4 3-1/2" full-range driver make it an ideal candidate for miniature point-source monitors, surround speakers, and line arrays.

       

      Highlights

      • Low distortion, full-range 65 Hz to 17 kHz performance
      • Rubber-edged black anodized aluminum alloy cone
      • Large excursion capability—4.6 mm Xmax, 25 mm peak
      • Self-shielded Neo-Balanced motor structure with copper alloy shorting ring
      • 1" 4-layer underhung voice coil with polyimide former
      • 30 watts RMS power handling
      • Great for line arrays and micro monitors

       

      Product details

      Dayton Audio ND91-4 3-1/2" Aluminum Cone Full-Range Driver 4 Ohm

       

      Dayton Audio's ND91 aluminum cone full-range drivers are the latest addition to the acclaimed ND Series high output/low distortion neodymium transducers. By increasing the original ND90's voice coil diameter from 3/4" to 1" and adding a copper alloy shorting ring, the ND91-4 features even lower distortion and delivers better bass impact and dynamic range—with peak Xmax up to 25 mm!

       

      This high-BL version further exploits the low distortion characteristics of the Neo-Balanced motor's optimized magnetic field, making the ND91 drivers an excellent choice for full-range point-source speaker enclosures, as well as extremely accurate, high resolution line arrays.

      Specifications

      Article number
      ND91-4
      Woofer Series
      ND Series
      Woofer Type
      Full-Range
      Nominal Diameter
      3.50"
      Power Handling (RMS)
      30 watts
      Power Handling (max)
      60 watts
      Impedance (Z)
      4 ohms
      Sensitivity
      85.6 dB @ 2.83V/1m
      Frequency Response
      65 - 17,000 Hz
      Voice Coil Diameter
      25 mm
      DC Resistance (Re)
      4.3 ohms
      Voice Coil Inductance (Le)
      0.83 mH @ 1 kHz
      Resonant Frequency (Fs)
      74 Hz
      Mechanical Q (Qms)
      4.24
      Electromagnetic Q (Qes)
      0.45
      Total Q (Qts)
      0.41
      Diaphragm Mass Inc. Airload (Mms)
      4.8g
      Mechanical Compliance of Suspension (Cms)
      0.96 mm/N
      Surface Area of Cone (Sd)
      30.4 cm²
      Volume of Displacement (Vd)
      12.2 cm³
      BL Product (BL)
      4.59 Tm
      Compliance Equivalent Volume (Vas)
      1.4 liters
      Maximum Linear Excursion (Xmax)
      4.6mm
      Cone / Diaphragm Material
      Aluminum Cone
      Surround Material
      Rubber
      Voice Coil Wire Material
      Aluminum
      Voice Coil Former
      Kapton® / Polyimide
      Basket / Frame Material
      Steel
      Magnet Material
      Ferrite
      Shielded
      Yes
      Overall Outside Diameter
      103.5 mm
      Overall Depth
      63.4 mm
      Baffle Cutout Diameter
      85 mm
      # Mounting Holes
      4
      Sealed Volume
      0.01 ft.³
      Sealed F3
      132 Hz
      Vented Volume
      0.03 ft.³
      Vented F3
      73 Hz

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      Reviews

      5 from 5Based on 7 reviews
      Review this product
      5 of 5
      Jó kis hangszóró.Végre egy jól átgondolt dizájn ami összhangban van az akusztikai paraméterekkel.Szuper!
      By Simon L. on 29 December 2020
      5 of 5
      I was not able to find other driver quite like this one. Very linear with a great low-end. Suitable for very small boxes with a passive radiator. This + one of the ND tweeters + 2x ND90PR would make a great little bookshelves. Only thing I dislike is the ugliness when mounted from the front. They look much cleaner when mounted from the rear side of the baffle, but then you might get into problems with time allignment
      By tk. on 19 October 2019
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      Complete your purchase

      ND91-4 3-1/2" Aluminum Cone Full-Range Driver 4 Ohm
      € 28,06
      € 33,95
      ND91-4 3-1/2" Aluminum Cone Full-Range Driver 4 Ohm
      10+ In stock: delivery time 1-4 business days
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