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        Prestige U18RNX/P - H1571-08 7" Curv Cone Woofer

        SEAS Prestige U18RNX/P - H1571-08 7" Curv Cone Woofer

        €174,95

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        SEAS Prestige U18RNX/P - H1571-08 7" Curv Cone Woofer

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        Brand: SEAS
        Show all Bass-mid woofer
        7" | 8 Ω
        Prestige U18RNX/P - H1571-08 7" Curv Cone Woofer
        Prestige U18RNX/P - H1571-08 7" Curv Cone Woofer
        Prestige U18RNX/P - H1571-08 7" Curv Cone Woofer
        Prestige U18RNX/P - H1571-08 7" Curv Cone Woofer
        Prestige U18RNX/P - H1571-08 7" Curv Cone Woofer
        Prestige U18RNX/P - H1571-08 7" Curv Cone Woofer
        Prestige U18RNX/P - H1571-08 7" Curv Cone Woofer
        Prestige U18RNX/P - H1571-08 7" Curv Cone Woofer
        Prestige U18RNX/P - H1571-08 7" Curv Cone Woofer
        Prestige U18RNX/P - H1571-08 7" Curv Cone Woofer
        Prestige U18RNX/P - H1571-08 7" Curv Cone Woofer
        Prestige U18RNX/P - H1571-08 7" Curv Cone Woofer
        Prestige U18RNX/P - H1571-08 7" Curv Cone Woofer
        € 144,59€ 174,95 Out of stock
        • -5% Purchase 4 for only € 166,20 per piece
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        Prestige U18RNX/P - H1571-08 7" Curv Cone Woofer
        Prestige U18RNX/P - H1571-08 7" Curv Cone Woofer
        Prestige U18RNX/P - H1571-08 7" Curv Cone Woofer
        Prestige U18RNX/P - H1571-08 7" Curv Cone Woofer
        Prestige U18RNX/P - H1571-08 7" Curv Cone Woofer
        Prestige U18RNX/P - H1571-08 7" Curv Cone Woofer
        Prestige U18RNX/P - H1571-08 7" Curv Cone Woofer
        Prestige U18RNX/P - H1571-08 7" Curv Cone Woofer
        Prestige U18RNX/P - H1571-08 7" Curv Cone Woofer
        Prestige U18RNX/P - H1571-08 7" Curv Cone Woofer
        Prestige U18RNX/P - H1571-08 7" Curv Cone Woofer
        Prestige U18RNX/P - H1571-08 7" Curv Cone Woofer
        Prestige U18RNX/P - H1571-08 7" Curv Cone Woofer
        Prestige U18RNX/P - H1571-08 7" Curv Cone Woofer

        Product description SEAS Prestige U18RNX/P - H1571-08 Bass-midwoofer

        Highlights

        • Long term power handling (RMS) is 80 Watts
        • Heavy copper ring below the T shaped pole piece reduces nonlinear and modulation distortion
        • Bullet shaped phase plug reduces compression due to temperature variations in the voice coil while avoiding resonance problems

         

        Product details

        Seas Prestige U18RNX/P - H1571-08 7" Curv Cone Woofer

        The U18RNX/P is a 6.5” High Fidelity woofer with an injection molded metal chassis, intended for bass reflex and transmission line designs. New Curv cone, a woven polypropylene with excellent internal damping together with perfectly matched moving parts gives a smooth, extended frequency response.

        Bumped back plate in the magnet system, together with the very long and light weight copper clad aluminum voice coil, allow extreme coil excursion with low distortion. Heavy copper ring below the T shaped pole piece will reduce nonlinear and modulation distortion. Bullet shaped phase plug reduces compression due to temperature variations in the voice coil, avoids resonance problems which would occur in the volume between the dust cap and the pole piece and increases the long-term power handling capacity.

        Extremely stiff and stable injection molded metal basket, keeps the critical components in perfect alignment. Large windows in the basket both above and below the spider reduce sound reflection, air flow noise and cavity resonance to a minimum.

        Great application examples would be the SEAS application De Idunn and De Bragi. To learn more, please check out our blog article "SEAS Application Notes".

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        Specifications

        Article number
        U18RNX/P
        EAN
        0696277269952
        Woofer Series
        Prestige
        Woofer Type
        Woofer
        Nominal Diameter
        6.5 " | 176 mm
        Power Handling (RMS)
        80 W
        Power Handling (max)
        250 W
        Impedance (Z)
        8 Ω
        Sensitivity (SPL at 1m / 2.83V)
        88 dB
        Frequency Response
        45 - 4000 Hz
        Voice Coil Diameter
        39 mm
        Magnet Weight
        0.64 kg
        DC Resistance (Re)
        5.9 Ω
        Voice Coil Inductance (Le)
        0.25 mH
        Resonant Frequency (Fs)
        43 Hz
        Mechanical Q (Qms)
        2.05
        Electromagnetic Q (Qes)
        0.45
        Total Q (Qts)
        0.37
        Diaphragm Mass Inc. Airload (Mms)
        13.5 g
        Mechanical Compliance of Suspension (Cms)
        1.0 mm/N
        Surface Area of Cone (Sd)
        126 cm²
        BL Product (BL)
        6.9 N/A
        Compliance Equivalent Volume (Vas)
        22 L
        Maximum Linear Excursion (Xmax)
        6 mm
        Driver's Mechanical Losses (Rms)
        1.78 Ns/m
        Cone / Diaphragm Material
        Woven polypropylene
        Voice Coil Wire Material
        CCAW
        Basket / Frame Material
        Injection moulded metal
        Overall Outside Diameter
        176.4 mm
        Overall Depth
        78.0 mm
        Baffle Cutout Diameter
        145.2 mm
        Bolt Circle Diameter
        166 mm
        # Mounting Holes
        6
        Mounting Hole Diameter
        5.0 mm

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        Reviews

        5 reviews
        Review this product
        5 of 5
        Lebendiger als gedacht: das Teil klingt nicht nach Polypropylen, sondern eher nach einem schnellen, exzellent gemachten Papierchassis - detailreicher als der 15er CA15RLY-H1216-8 aus gleichem Hause! Sehr neutral, sehr "elegant", gutes Auflösungsvermögen, gute Räumlichkeit. Besonders bemerkenswert: keinerlei hörbare Kavitätseffekte - auch außerhalb der Achse! Ausgesprochen hochwertige Verarbeitung! Klasse!
        By Wolfgang on 29 December 2025
        5 of 5
        Product as expected from SEAS
        By Frank Moller on 26 December 2025
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        Prestige U18RNX/P - H1571-08 7" Curv Cone Woofer
        € 144,59
        € 174,95
        Prestige U18RNX/P - H1571-08 7" Curv Cone Woofer
        Out of stock
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