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        ND90-PR 3-1/2" Aluminum Cone Passive Radiator

        ND90-PR 3-1/2" Aluminum Cone Passive Radiator


        Dayton Audio ND90-PR 3-1/2" Aluminum Cone Passive Radiator

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        € 12,36€ 14,95 10+ In stock
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        • Five-year warranty
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        Product description

        The Dayton Audio ND90-PR 3-1/2" passive radiator makes it easy to tune small enclosures lower without increasing overall enclosure size. With a one-piece aluminum cone, rubber surround, high excursion capability, and easily adjustable mass, this passive radiator is perfect for building extremely compact speaker systems capable of incredible low frequency output.



        • Rigid black anodized aluminum alloy cone
        • High excursion capability: 18 mm peak to peak
        • Same "family look" as ND Series woofers
        • Adjustable mass for a vast range of tuning frequencies


        Product details                                                                     

        Dayton Audio ND90-PR 3-1/2" Aluminum Cone Passive Radiator


        Tune small enclosures with Dayton Audio's ND90-PR 3-1/2" passive radiator in speaker designs where a conventional port is not a viable option. This compact passive radiator includes all of the features you expect with larger radiators including high excursion capability, aluminum cone, rubber surround, and adjustable mass. Visually identical to Dayton Audio's popular ND series drivers, the ND90-PR can be used with any small speaker. 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 multi-driver array, sound bar, or portable Bluetooth speaker, the Dayton Audio ND90-PR introduces a new range of possibilities.


        The ND90-PR 3-1/2" passive radiator includes:

        (1) Passive radiator

        (2) 7.3 gram disk weights

        (1) Wing nut


        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.

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        Article number
        Woofer Series
        ND Series
        Woofer Type
        Passive Radiator
        Nominal Diameter
        Resonant Frequency (Fs)
        53.8 Hz
        Mechanical Q (Qms)
        Diaphragm Mass Inc. Airload (Mms)
        Mechanical Compliance of Suspension (Cms)
        1.09 mm/N
        Surface Area of Cone (Sd)
        31.2 cm²
        Compliance Equivalent Volume (Vas)
        1.5 liters
        Maximum Linear Excursion (Xmax)
        9 mm
        Driver's Mechanical Losses (Rms)
        0.44 kg/s
        Cone / Diaphragm Material
        Aluminum Cone
        Surround Material
        Basket / Frame Material
        Overall Outside Diameter
        Overall Depth
        Baffle Cutout Diameter
        # Mounting Holes

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        5 of 5
        Nicely built and adjustable
        By Tim on 12 May 2024
        5 of 5
        Very good for small speakers. I tried several box volumes and passive radiators waight but i can’t able to reproduce deep bass below 80/90 hz. Good sound but needs a sub reinforcement for my tastes.
        By Pietro Antonio on 23 October 2023
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        ND90-PR 3-1/2" Aluminum Cone Passive Radiator
        € 12,36
        € 14,95
        ND90-PR 3-1/2" Aluminum Cone Passive Radiator
        10+ In stock
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