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

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

        €19,95

        10+ verwacht op 19-12-2025

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

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        4" | 4 Ω
        4SMP-4 4" Surface Mount Poly Cone Bass-midwoofer
        4SMP-4 4" Surface Mount Poly Cone Bass-midwoofer
        4SMP-4 4" Surface Mount Poly Cone Bass-midwoofer
        4SMP-4 4" Surface Mount Poly Cone Bass-midwoofer
        4SMP-4 4" Surface Mount Poly Cone Bass-midwoofer
        4SMP-4 4" Surface Mount Poly Cone Bass-midwoofer
        € 16,49€ 19,95 Niet op voorraad10+ verwacht op 19-12-2025
        • -5% Bestel 4 voor slechts € 18,95 per stuk
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        4SMP-4 4" Surface Mount Poly Cone Bass-midwoofer
        4SMP-4 4" Surface Mount Poly Cone Bass-midwoofer
        4SMP-4 4" Surface Mount Poly Cone Bass-midwoofer
        4SMP-4 4" Surface Mount Poly Cone Bass-midwoofer
        4SMP-4 4" Surface Mount Poly Cone Bass-midwoofer
        4SMP-4 4" Surface Mount Poly Cone Bass-midwoofer

        Productomschrijving GRS 4SMP-4 Bass-midwoofer

        Compact 4" surface-mount bass-midwoofer designed for installations requiring shallow depth and reliable midrange performance. The 4SMP-4 combines a damped poly cone with a vented motor and copper cap for smooth, low-distortion response in a small form factor.

         

        Highlights of the 4SMP-4

        • Damped poly cone with rubber surround for controlled resonance and durability
        • Low-profile design with surface-mount frame ideal for compact or flush-mount applications
        • Copper cap and vented pole piece for reduced inductance, lower distortion, and better cooling
        • Aluminum voice coil former improves thermal stability under load

         

        Product details 4SMP-4

        4SMP-4 4" Surface-Mount Poly Cone Bass-Midwoofer

         

        The 4SMP-4 is a versatile 4-inch woofer tailored for surface-mount applications in compact speaker systems, commercial audio setups, or custom installations. Built around a shallow-profile frame, it is optimized for flush cabinet integration without compromising performance. At its core is a damped polypropylene cone paired with a rubber surround, offering a smooth and controlled response from 50 Hz to 6,000 Hz. The motor system features a vented pole piece for enhanced cooling and a copper cap to lower inductance and distortion. With a 26 mm aluminum voice coil former and integrated foam gasket, the driver ensures airtight sealing and stable thermal performance under continuous use. With a nominal impedance of 4 ohms, a sensitivity of 86 dB (2.83V/1m), and 30 W RMS power handling, the 4SMP-4 delivers efficient, clean output in a space-saving format — ideal for both bass-mid applications and full-range satellite designs where depth is limited.

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        Specificaties

        Artikelnummer
        4SMP-4
        EAN
        0848864079714
        Woofer type
        Bass-Midwoofer
        Nominale diameter
        4"
        Belastbaarheid (RMS)
        30 Watts
        Impedantie (Z)
        4Ω
        Gevoeligheid (SPL bij 1m / 2.83V)
        86dB
        Frequentierespons
        50 - 6,000Hz
        Spreekspoeldiameter
        26mm
        Gelijkstroomweerstand (Re)
        3.7Ω
        Spreekspoelinductie (Le)
        0.32mH
        Resonantiefrequentie (Fs)
        58Hz
        Mechanische Q (Qms)
        3.05
        Elektrische Q (Qes)
        0.67
        Totale Q (Qts)
        0.55
        Bewegende massa (Mms)
        7.7g
        Compliantie van de ophanging (Cms)
        0.98mm/N
        Effectief oppervlak (Sd)
        54cm²
        Maximaal verplaatst volume (Vd)
        21 cm³
        Krachtsfactor (BL)
        3.9T·m
        Equivalentvolume (Vas)
        4L
        Maximale excursie (Xmax)
        4mm
        Cone / Diaphragm Material
        poly
        Surroundmateriaal
        rubber
        Spreekspoel vormermateriaal
        aluminium
        Mand- /framemateriaal
        steel
        Magneetmateriaal
        ferrite
        # Bevestigingsgaten
        4

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        4SMP-4 4" Surface Mount Poly Cone Bass-midwoofer
        € 16,49
        € 19,95
        4SMP-4 4" Surface Mount Poly Cone Bass-midwoofer
        Niet op voorraad
        10+ verwacht op 19-12-2025
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