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        PTT4.0M04-NAC-03 4" Ultra Low Distortion Midrange

        PURIFI PTT4.0M04-NAC-03 4" Ultra Low Distortion Midrange

        €299,95

        2 expected on 11-12-2026

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        PURIFI PTT4.0M04-NAC-03 4" Ultra Low Distortion Midrange

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        Brand: PURIFI
        4" | 4Ω
        PTT4.0M04-NAC-03 4" Ultra Low Distortion Midrange
        PTT4.0M04-NAC-03 4" Ultra Low Distortion Midrange
        PTT4.0M04-NAC-03 4" Ultra Low Distortion Midrange
        PTT4.0M04-NAC-03 4" Ultra Low Distortion Midrange
        PTT4.0M04-NAC-03 4" Ultra Low Distortion Midrange
        PTT4.0M04-NAC-03 4" Ultra Low Distortion Midrange
        PTT4.0M04-NAC-03 4" Ultra Low Distortion Midrange
        PTT4.0M04-NAC-03 4" Ultra Low Distortion Midrange
        PTT4.0M04-NAC-03 4" Ultra Low Distortion Midrange
        PTT4.0M04-NAC-03 4" Ultra Low Distortion Midrange
        € 247,89€ 299,95 Out of stock2 expected on 11-12-2026
        • -5% Purchase 4 for only € 284,95 per piece
        € 299,95
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        PTT4.0M04-NAC-03 4" Ultra Low Distortion Midrange
        PTT4.0M04-NAC-03 4" Ultra Low Distortion Midrange
        PTT4.0M04-NAC-03 4" Ultra Low Distortion Midrange
        PTT4.0M04-NAC-03 4" Ultra Low Distortion Midrange
        PTT4.0M04-NAC-03 4" Ultra Low Distortion Midrange
        PTT4.0M04-NAC-03 4" Ultra Low Distortion Midrange
        PTT4.0M04-NAC-03 4" Ultra Low Distortion Midrange
        PTT4.0M04-NAC-03 4" Ultra Low Distortion Midrange
        PTT4.0M04-NAC-03 4" Ultra Low Distortion Midrange
        PTT4.0M04-NAC-03 4" Ultra Low Distortion Midrange

        Product description PURIFI PTT4.0M04-NAC-03 Mid-bass Woofer

        The 4” midrange driver has been optimized for higher sensitivity compared to the long stroke version.

         

        Highlights

        • Vibroacoustic optimized cone and dust cap in black anodized aluminum
        • Negligible Force Factor Modulation (FFM) and Surround Radiation Distortion (SRD)
        • Low Magnetic Hysteresis Distortion (MHD)
        • Dedicated midrange driver with enhanced efficiency
        • Designed and manufactured in Denmark

         

        Product Details

        PURIFI PTT4.0M04-NAC-03 Mid-bass Woofer

         

        The 4” midrange driver has been optimized for higher sensitivity compared to the long stroke version. It incorporates the easily recognizable PURIFI NeutralSurround suspension and ultra-linear motor system PURIFI PureDrive technology working in concert to elevate performance to a whole new level despite of it’s compact size.

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        Specifications

        Article number
        PTT4.0M04-NAC-03
        EAN
        8785256847044
        Woofer Type
        Mid-bass Woofer
        Nominal Diameter
        4"
        Power Handling (max)
        TBD
        Sensitivity (SPL at 1m / 2.83V)
        86.1 dB
        Voice Coil Diameter
        30 mm
        DC Resistance (Re)
        3.4 Ω
        Voice Coil Inductance (Le)
        0.26 mH
        Resonant Frequency (Fs)
        48 Hz
        Mechanical Q (Qms)
        4.2
        Electromagnetic Q (Qes)
        0.3
        Total Q (Qts)
        0.28
        Diaphragm Mass Inc. Airload (Mms)
        10.1 g
        Mechanical Compliance of Suspension (Cms)
        1.09 mm/N
        Surface Area of Cone (Sd)
        56.7 cm²
        BL Product (BL)
        5.9 Tm
        Compliance Equivalent Volume (Vas)
        5 L
        Maximum Linear Excursion (Xmax)
        6.85 mm
        Driver's Mechanical Losses (Rms)
        0.72 Kg/s
        Cone / Diaphragm Material
        Black Anodized Aluminum
        Voice Coil Wire Material
        CCAW
        Overall Outside Diameter
        125 mm
        Overall Depth
        73.5 mm
        Baffle Cutout Diameter
        101 mm
        Mounting Hole Diameter
        4.2 mm

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        Reviews

        1 reviews
        Review this product
        5 of 5
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        By Jussi on 13 November 2025
        PTT4.0M04-NAC-03 4" Ultra Low Distortion Midrange
        € 247,89
        € 299,95
        PTT4.0M04-NAC-03 4" Ultra Low Distortion Midrange
        Out of stock
        2 expected on 11-12-2026
        Add to cart
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