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        4PF-8 4" Paper Cone Foam Surround Woofer

        GRS 4PF-8 4" Paper Cone Foam Surround Woofer

        €13,95

        1 In stock10+ expected on 11-12-2026

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        GRS 4PF-8 4" Paper Cone Foam Surround Woofer

        3 reviews
        5 from 5
        3 reviews
        5 stars
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        4 stars
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        Brand: GRS
        4" | 8 Ω
        4PF-8 4" Paper Cone Foam Surround Woofer
        4PF-8 4" Paper Cone Foam Surround Woofer
        4PF-8 4" Paper Cone Foam Surround Woofer
        4PF-8 4" Paper Cone Foam Surround Woofer
        4PF-8 4" Paper Cone Foam Surround Woofer
        4PF-8 4" Paper Cone Foam Surround Woofer
        4PF-8 4" Paper Cone Foam Surround Woofer
        4PF-8 4" Paper Cone Foam Surround Woofer
        € 11,53€ 13,95 1 In stock10+ expected on 11-12-2026
        • -10% Purchase 4 for only € 12,56 per piece
        € 13,95
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        • At least two years warranty
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        4PF-8 4" Paper Cone Foam Surround Woofer
        4PF-8 4" Paper Cone Foam Surround Woofer
        4PF-8 4" Paper Cone Foam Surround Woofer
        4PF-8 4" Paper Cone Foam Surround Woofer
        4PF-8 4" Paper Cone Foam Surround Woofer
        4PF-8 4" Paper Cone Foam Surround Woofer
        4PF-8 4" Paper Cone Foam Surround Woofer
        4PF-8 4" Paper Cone Foam Surround Woofer

        Product description GRS 4PF-8 Bass-midwoofer

        Thanks to their carefully optimized parameters, GRS 4PF-8 4" poly-laminated paper cone woofers offer a high degree of compatibility when used as replacement speakers.

         

        Highlights

        • Perfect for use in sealed-box home theater and music systems
        • Poly-laminated paper cone, treated foam surround, and polymer dust cap
        • Smooth frequency response with minimal cone breakup

         

        Product details

        GRS 4PF-8 4" Paper Cone Foam Surround Woofer

         

        Thanks to their carefully optimized parameters, GRS 4PF-8 4" poly-laminated paper cone woofers offer a high degree of compatibility when used as replacement speakers—they also provide excellent performance in new projects, too.

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        Specifications

        Article number
        4PF-8
        EAN
        0844632088445
        Woofer Type
        Midwoofer
        Nominal Diameter
        4"
        Power Handling (RMS)
        40 Watt
        Power Handling (max)
        70 Watt
        Impedance (Z)
        8 Ω
        Sensitivity (SPL at 1m / 2.83V)
        83 dB
        Frequency Response
        100 - 10.000 Hz
        Voice Coil Diameter
        25 mm
        DC Resistance (Re)
        6.8 Ω
        Voice Coil Inductance (Le)
        0.50 mH
        Resonant Frequency (Fs)
        137 Hz
        Mechanical Q (Qms)
        5.81
        Total Q (Qts)
        1.94
        Mechanical Compliance of Suspension (Cms)
        0.28 mm/N
        Surface Area of Cone (Sd)
        55.2 cm²
        Volume of Displacement (Vd)
        23 cm³
        BL Product (BL)
        3.1 Tm
        Compliance Equivalent Volume (Vas)
        1.2 L
        Maximum Linear Excursion (Xmax)
        1.5 mm
        Cone / Diaphragm Material
        Paper
        Voice Coil Wire Material
        Copper
        Basket / Frame Material
        Diecast Aluminium
        Overall Outside Diameter
        114 mm
        Overall Depth
        54 mm
        Baffle Cutout Diameter
        94 mm
        Bolt Circle Diameter
        105 mm
        Mounting Hole Diameter
        5.2 mm

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        Reviews

        3 reviews
        Review this product
        4 of 5
        Die Chassis machen einen soliden Eindruck. Für den Preis hätte ich dies so nicht erwartet. Bleibt abzuwarten, ob sie auch so überzeugend klingen.
        By Jens L. on 24 January 2021
        5 of 5
        Don't have anything negative to say. Makes better sound than the Chinese Dibeisi they replaced :) Hopefully a better quality also. Although all Chinese, there are different quality speakers.
        By Maanus M. on 9 December 2020
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        4PF-8 4" Paper Cone Foam Surround Woofer
        € 11,53
        € 13,95
        4PF-8 4" Paper Cone Foam Surround Woofer
        1 In stock
        10+ expected on 11-12-2026
        Add to cart
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