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        SB12PACR25-4-COAX Coaxial Woofer

        SB Acoustics SB12PACR25-4-COAX Coaxial Woofer

        €68,45

        10+ In stock

        Add to cart

        SB Acoustics SB12PACR25-4-COAX Coaxial Woofer

        3 reviews
        5 from 5
        3 reviews
        5 stars
        67%
        4 stars
        33%
        3 stars
        0%
        2 stars
        0%
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        Brand: SB Acoustics
        4'' | 4 Ω
        SB12PACR25-4-COAX Coaxial Woofer
        SB12PACR25-4-COAX Coaxial Woofer
        SB12PACR25-4-COAX Coaxial Woofer
        SB12PACR25-4-COAX Coaxial Woofer
        SB12PACR25-4-COAX Coaxial Woofer
        SB12PACR25-4-COAX Coaxial Woofer
        SB12PACR25-4-COAX Coaxial Woofer
        SB12PACR25-4-COAX Coaxial Woofer
        SB12PACR25-4-COAX Coaxial Woofer
        SB12PACR25-4-COAX Coaxial Woofer
        SB12PACR25-4-COAX Coaxial Woofer
        SB12PACR25-4-COAX Coaxial Woofer
        SB12PACR25-4-COAX Coaxial Woofer
        € 56,57€ 68,45 10+ In stock
        • -5% Purchase 4 for only € 65,03 per piece
        € 68,45
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        SB12PACR25-4-COAX Coaxial Woofer
        SB12PACR25-4-COAX Coaxial Woofer
        SB12PACR25-4-COAX Coaxial Woofer
        SB12PACR25-4-COAX Coaxial Woofer
        SB12PACR25-4-COAX Coaxial Woofer
        SB12PACR25-4-COAX Coaxial Woofer
        SB12PACR25-4-COAX Coaxial Woofer
        SB12PACR25-4-COAX Coaxial Woofer
        SB12PACR25-4-COAX Coaxial Woofer
        SB12PACR25-4-COAX Coaxial Woofer
        SB12PACR25-4-COAX Coaxial Woofer
        SB12PACR25-4-COAX Coaxial Woofer
        SB12PACR25-4-COAX Coaxial Woofer
        SB12PACR25-4-COAX Coaxial Woofer

        Product description SB Acoustics SB12PACR25-4-COAX Coaxial Woofer

        Highlights

        • Vented reinforced plastic chassis
        • Anodised aluminium cone
        • Low damping rubber surround
        • Large motor system
        • Long stroke linear suspension
        • Light weight CCAW voice coil
        • Non-conducting fibreglass coil former
        • Non-resonant long life lead wires
        • Compact large surround dome tweeter

         

        Product details

        SB Acoustics SB12PACR25-4-COAX Driver
         
         
        These were once OEM-only drivers and feature non-resonant ABS plastic cones. This version is great for low-cost builds and the plastic frame makes trimming for tight fits easy.

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        Specifications

        Article number
        SB12PACR25-4-COAX
        EAN
        8785256845439
        Nominal Diameter
        4"
        Power Handling (RMS)
        30 Watt
        Impedance (Z)
        4 Ω
        Sensitivity (SPL at 1m / 2.83V)
        87.5 dB
        Voice Coil Diameter
        Woofer 25.5 mm + Tweeter 12.4.0 mm
        DC Resistance (Re)
        Woofer 3.1 Ω and Tweeter 3.0 Ω
        Voice Coil Inductance (Le)
        0.25 mH
        Resonant Frequency (Fs)
        55 Hz
        Mechanical Q (Qms)
        4.84
        Electromagnetic Q (Qes)
        0.38
        Total Q (Qts)
        0.35
        Diaphragm Mass Inc. Airload (Mms)
        5.6 g
        Mechanical Compliance of Suspension (Cms)
        1.49 mm/N
        Surface Area of Cone (Sd)
        45 cm²
        BL Product (BL)
        4 Tm
        Compliance Equivalent Volume (Vas)
        4.3 L
        Maximum Linear Excursion (Xmax)
        5 mm
        Overall Outside Diameter
        122 mm
        Overall Depth
        69 mm
        Baffle Cutout Diameter
        102 mm
        # Mounting Holes
        4
        Mounting Hole Diameter
        4.0 mm

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        Reviews

        3 reviews
        Review this product
        5 of 5
        excellent little speaker, very clear and very good bass
        By Jani on 3 October 2026
        5 of 5
        -
        By Francois on 3 February 2026
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        SB12PACR25-4-COAX Coaxial Woofer
        € 56,57
        € 68,45
        SB12PACR25-4-COAX Coaxial Woofer
        10+ In stock
        Add to cart
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