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        4FR40 Full-range Woofer

        Beyma 4FR40 Full-range Woofer

        €29,95

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        Beyma 4FR40 Full-range Woofer

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        Merk: Beyma
        € 24,75€ 29,95 4 Op voorraad
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        • Extended response and low distortion

        Productomschrijving Beyma 4FR40 Full-range Woofer

        Compact 4-inch full-range transducer with pressed steel frame and ceramic magnet, offering extended frequency response and low distortion for small-format audio designs.

         

        Highlights of the Beyma 4FR40

        • 40 W AES / 80 W program power with 87 dB sensitivity
        • Extended 100 – 20,000 Hz frequency range for full-range clarity
        • Paper cone and Santoprene™ surround for accurate transient response
        • Ideal for column speakers, portable arrays, and compact systems

         

        Product details Beyma 4FR40

        Beyma 4FR40 Full-Range Frequency Transducer

         

        The Beyma 4FR40 is a 4” full-range frequency transducer built for compact systems where clear, wide-range sound is essential. With 40 W AES and 80 W program power handling, and a sensitivity of 87 dB (1W/1m), it’s suited for distributed audio, beam-steering columns, and portable mini PA systems. Its frequency response spans from 100 Hz to 20,000 Hz, supported by a lightweight paper cone and flexible Santoprene™ surround for detailed mid and high-frequency performance. The driver features a pressed steel basket and ceramic magnet structure, combining durability with cost-effective efficiency. The 0.8” (20.3 mm) voice coil is optimized for low distortion and enhanced transient behavior, while the compact depth (60 mm) and lightweight build (0.55 kg) allow easy integration into space-constrained applications. With an Xmax of 3 mm and high mechanical compliance, the 4FR40 delivers stable low-excursion performance despite its small size. This transducer excels in modern install sound solutions and custom column speaker builds where precision, dispersion control, and compact form factor are critical.

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        Specificaties

        Artikelnummer
        4FR40
        EAN
        8435469014428
        Woofer type
        Full range woofer
        Nominale diameter
        4”
        Belastbaarheid (RMS)
        40 Watts
        Continuous Program Power
        80 Watts
        Impedantie (Z)
        8 Ω
        Gevoeligheid (SPL bij 1m / 2.83V)
        87 dB
        Frequentierespons
        100-20.000 Hz
        Spreekspoeldiameter
        0.8" (20.3 mm)
        Gelijkstroomweerstand (Re)
        6.4 Ω
        Spreekspoelinductie (Le)
        0.2 mH
        Resonantiefrequentie (Fs)
        92 Hz
        Mechanische Q (Qms)
        11.3 mm
        Elektrische Q (Qes)
        0.96
        Totale Q (Qts)
        0.88
        Bewegende massa (Mms)
        0,0044 kg
        Compliantie van de ophanging (Cms)
        668 µm / N
        Effectief oppervlak (Sd)
        0,0055 cm²
        Maximaal verplaatst volume (Vd)
        11 cm³
        Krachtsfactor (BL)
        4,2 N/A
        Equivalentvolume (Vas)
        2.8 Liters
        Maximale excursie (Xmax)
        +/- 3 mm
        Driver's Mechanical Losses (Rms)
        0,23 kg /s
        Magneetmateriaal
        Ceramic
        Totale buitendiameter
        118.2 mm
        Totale diepte
        60 mm
        Montagegatdiameter
        92 mm
        Bolt Circle Diameter
        108.2 mm
        # Bevestigingsgaten
        4
        Diameter bevestigingsgaten
        4.5 mm

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        4FR40 Full-range Woofer
        € 24,75
        € 29,95
        4FR40 Full-range Woofer
        4 Op voorraad
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