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        SB Acoustics SB12NRX25-8 4'' Midrange Woofer

        1 reviews
        Brand: SB Acoustics
        Show all Woofers
        4" | 8 Ω
        SB12NRX25-8 4'' Midrange Woofer
        SB12NRX25-8 4'' Midrange Woofer
        SB12NRX25-8 4'' Midrange Woofer
        SB12NRX25-8 4'' Midrange Woofer
        SB12NRX25-8 4'' Midrange Woofer
        SB12NRX25-8 4'' Midrange Woofer
        € 45,41€ 54,95 2 In stock: delivery time 1-4 business days
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        SB12NRX25-8 4'' Midrange Woofer
        SB12NRX25-8 4'' Midrange Woofer
        SB12NRX25-8 4'' Midrange Woofer
        SB12NRX25-8 4'' Midrange Woofer
        SB12NRX25-8 4'' Midrange Woofer
        SB12NRX25-8 4'' Midrange Woofer

        Product description

        Highlights

        • Proprietary cone material with natural fibres made in-house
        • High damping Butyl rubber surround for non-resonant sound character
        • Vented pole piece for reduced compression
        • Vented cast aluminium chassis for optimum strength and low compression
        • CCAW voice coil for reduced moving mass
        • Long life silver lead wires
        • Non-conducting fibre glass coil former for minimum damping

         

        Product details

        SB Acoustics SB12NRX25-8 4'' Midrange Woofer

         

        The SB Acoustics SB12NRX25-8 4" Midwoofer is an excellent SB Acoustics Ferrite magnet midrange/midwoofer, featuring a high efficiency low damping rubber surround. Fitted with a proprietary composition paper cone, 1" voice coil. Very open cast frame for minimal reflections. Fs 55Hz, good level extended response up to 5KHz.

        Specifications

        Article number
        SB12NRX25-8
        Woofer Series
        NRX Series
        Woofer Type
        Midwoofer
        Nominal Diameter
        4"
        Power Handling (RMS)
        30 Watts
        Impedance (Z)
        8 ohms
        Sensitivity
        85.5 dB 2.83V/1m
        Voice Coil Diameter
        1"
        DC Resistance (Re)
        6.4 ohms
        Voice Coil Inductance (Le)
        0.34 mH
        Resonant Frequency (Fs)
        57 Hz
        Mechanical Q (Qms)
        4.1
        Electromagnetic Q (Qes)
        0.41
        Total Q (Qts)
        0.37
        Diaphragm Mass Inc. Airload (Mms)
        5.2 g
        Mechanical Compliance of Suspension (Cms)
        1.49 mm/N
        Surface Area of Cone (Sd)
        50 cm2
        BL Product (BL)
        5.4 Tm
        Compliance Equivalent Volume (Vas)
        0.18 ft.³
        Maximum Linear Excursion (Xmax)
        5 mm

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        Reviews

        1 reviews
        4 from 5Based on 1 reviews
        Review this product
        4 of 5
        ... Duidelijk een product uit de oude school van Vifa...
        By Michel V. on 26 December 2020

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        SB12NRX25-8 4'' Midrange Woofer
        € 45,41
        € 54,95
        SB12NRX25-8 4'' Midrange Woofer
        2 In stock: delivery time 1-4 business days
        Add to cart

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