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        8SMP-4 8" Surface Mount Poly Cone Bass-midwoofer

        GRS 8SMP-4 8" Surface Mount Poly Cone Bass-midwoofer

        €49,95

        10+ expected on 19-12-2025

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        GRS 8SMP-4 8" Surface Mount Poly Cone Bass-midwoofer

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        Brand: GRS
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        8" | 4 Ω
        8SMP-4 8" Surface Mount Poly Cone Bass-midwoofer
        8SMP-4 8" Surface Mount Poly Cone Bass-midwoofer
        8SMP-4 8" Surface Mount Poly Cone Bass-midwoofer
        8SMP-4 8" Surface Mount Poly Cone Bass-midwoofer
        8SMP-4 8" Surface Mount Poly Cone Bass-midwoofer
        8SMP-4 8" Surface Mount Poly Cone Bass-midwoofer
        € 41,28€ 49,95 Out of stock10+ expected on 19-12-2025
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        8SMP-4 8" Surface Mount Poly Cone Bass-midwoofer
        8SMP-4 8" Surface Mount Poly Cone Bass-midwoofer
        8SMP-4 8" Surface Mount Poly Cone Bass-midwoofer
        8SMP-4 8" Surface Mount Poly Cone Bass-midwoofer
        8SMP-4 8" Surface Mount Poly Cone Bass-midwoofer
        8SMP-4 8" Surface Mount Poly Cone Bass-midwoofer

        Product description GRS 8SMP-4 Bass-midwoofer

        The GRS 8SMP-4 is a powerful 8" surface-mount woofer built for high-output, low-distortion bass in space-constrained designs. With a high sensitivity of 91.7 dB, extended low-frequency response, and thermally stable motor structure, this 4-ohm driver is a standout choice for dynamic audio performance in compact enclosures.

         

        Highlights of the GRS 8SMP-4

        • High 91.7 dB sensitivity for efficient output even with lower-powered amplifiers
        • Extended excursion with 5.5 mm Xmax enables rich low-end extension
        • Copper cap reduces distortion and enhances high-frequency behavior
        • Low-profile frame and integrated gasket for secure and airtight surface-mount installation

         

        Product details GRS 8SMP-4

        GRS 8SMP-4 Surface Mount Woofer

         

        The GRS 8SMP-4 is an 8" poly cone woofer with 4-ohm impedance, optimized for surface-mount applications where compact form factor meets high-performance audio. Featuring a vented motor design, aluminum voice coil former, and copper cap, this driver is engineered to maintain thermal and mechanical stability under continuous use. With a usable frequency range of 30 Hz to 1,500 Hz and 60 watts RMS power handling, it is well-suited for both full-range and midbass roles in two-way or compact subwoofer configurations. A Vas of 37.6 liters and a 116 cm³ displacement volume (Vd) contribute to excellent low-frequency capability. The high sensitivity of 91.7 dB at 2.83V/1m ensures punchy performance, even when used with modest amplification. Ideal for DIY loudspeaker projects or shallow cabinet designs where performance cannot be compromised.

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        Specifications

        Article number
        8SMP-4
        EAN
        0848864079844
        Woofer Type
        Bass-midwoofer
        Power Handling (RMS)
        60 Watts
        Impedance (Z)
        4 Ohm
        Sensitivity (SPL at 1m / 2.83V)
        91.7 dB
        Frequency Response
        30 – 1,500 Hz
        Voice Coil Diameter
        39 mm
        DC Resistance (Re)
        3.8 Ohm
        Voice Coil Inductance (Le)
        0.3 mH
        Resonant Frequency (Fs)
        38 Hz
        Mechanical Q (Qms)
        2.69
        Electromagnetic Q (Qes)
        0.46
        Total Q (Qts)
        0.39
        Diaphragm Mass Inc. Airload (Mms)
        29g
        Mechanical Compliance of Suspension (Cms)
        0.61 mm/N
        Surface Area of Cone (Sd)
        211 cm²
        Volume of Displacement (Vd)
        116 cm³
        BL Product (BL)
        7.56 Tm
        Compliance Equivalent Volume (Vas)
        37.6 L
        Maximum Linear Excursion (Xmax)
        5.5 mm
        # Mounting Holes
        4

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        8SMP-4 8" Surface Mount Poly Cone Bass-midwoofer
        € 41,28
        € 49,95
        8SMP-4 8" Surface Mount Poly Cone Bass-midwoofer
        Out of stock
        10+ expected on 19-12-2025
        Add to cart
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