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

    € 25,58€ 30,95 Out of stock: delivery time is 1 week
    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.... Show more
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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
    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

    Reviews

    5 from 5Based on 7 reviews
    Review this product
    5 van 5
    Jó kis hangszóró.Végre egy jól átgondolt dizájn ami összhangban van az akusztikai paraméterekkel.Szuper!
    By Simon L. on 29 December 2020
    5 van 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
    Show more

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    Complete your purchase

    ND91-4 3-1/2" Aluminum Cone Full-Range Driver 4 Ohm
    € 25,58
    € 30,95
    ND91-4 3-1/2" Aluminum Cone Full-Range Driver 4 Ohm
    0 In stock: delivery time is 1 week
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