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

        7 reviews
        Brand: Dayton Audio
        Show all Full-range woofer
        3.5" | 4 Ω
        ND91-4 3-1/2" Aluminum Cone Full-Range Driver 4 Ohm
        ND91-4 3-1/2" Aluminum Cone Full-Range Driver 4 Ohm
        ND91-4 3-1/2" Aluminum Cone Full-Range Driver 4 Ohm
        ND91-4 3-1/2" Aluminum Cone Full-Range Driver 4 Ohm
        ND91-4 3-1/2" Aluminum Cone Full-Range Driver 4 Ohm
        ND91-4 3-1/2" Aluminum Cone Full-Range Driver 4 Ohm
        ND91-4 3-1/2" Aluminum Cone Full-Range Driver 4 Ohm
        ND91-4 3-1/2" Aluminum Cone Full-Range Driver 4 Ohm
        ND91-4 3-1/2" Aluminum Cone Full-Range Driver 4 Ohm
        ND91-4 3-1/2" Aluminum Cone Full-Range Driver 4 Ohm
        € 28,06€ 33,95 10+ In stock
        • -5% Order 4 for only € 32,25 per piece
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        ND91-4 3-1/2" Aluminum Cone Full-Range Driver 4 Ohm
        ND91-4 3-1/2" Aluminum Cone Full-Range Driver 4 Ohm
        ND91-4 3-1/2" Aluminum Cone Full-Range Driver 4 Ohm
        ND91-4 3-1/2" Aluminum Cone Full-Range Driver 4 Ohm
        ND91-4 3-1/2" Aluminum Cone Full-Range Driver 4 Ohm
        ND91-4 3-1/2" Aluminum Cone Full-Range Driver 4 Ohm
        ND91-4 3-1/2" Aluminum Cone Full-Range Driver 4 Ohm
        ND91-4 3-1/2" Aluminum Cone Full-Range Driver 4 Ohm
        ND91-4 3-1/2" Aluminum Cone Full-Range Driver 4 Ohm
        ND91-4 3-1/2" Aluminum Cone Full-Range Driver 4 Ohm

        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.

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        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

        7 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
        Show more
        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
        Add to cart

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