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50th Anniversary Year 2022



Seas U18RNX/P H1571-08 Woofer - Prestige Series Zoom

Seas U18RNX/P H1571-08 Woofer - Prestige Series

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SKU: U18RNX/P H1571-08

Seas U18RNX/P H1571-08 Woofer. £79.02 excl. VAT. 6.5" Curv woven Polypropylene cone, superb flexible driver, smooth extended response. Bumped back plate. Good choice for bass reflex and transmission line designs.

A product datasheet can be downloaded from the Product Description page.

Availability: In stock

Excl. Vat: £84.40 Incl. Vat: £101.28
Product Description


    SEAS H1571-08 U18RNX/P is a 6.5” High Fidelity woofer with an injection moulded metal chassis, intended for bass reflex and transmission line designs. A new Curv cone, made from woven polypropylene with excellent internal damping together with perfectly matched moving parts gives a smooth, extended frequency response. A bumped back plate in the magnet system, together with the very long and light weight copper clad aluminium voice coil, allows extreme coil excursion with low distortion. The heavy copper ring below the T-shaped pole piece also reduces non linear and modulation distortion.

    The 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. Large windows in the basket both above and below the spider reduce sound reflection, air flow noise and cavity resonance to a minimum.

    A Product Datasheet can be downloaded by clicking on the appropriate .pdf logo (where shown).

    Seas U18RNX/P H1571-08 Datasheet

Additional Information

    Additional Information

    Seas Driver Range Seas Prestige
    Nominal Impedance 8 ohms
    Nominal Power RMS 80
    Vas ( l) 22
    Nominal Free Air Resonance Fs 43 Hz
    Sensitivity (2.83V/1m) 88.0 dB
    Nominal Rdc 5.90 ohms
    Qes 0.45
    Qms 2.05
    Qts 0.37
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