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18W / 8531G00

Scanspeak 18W/8531G00 Midwoofer - Revelator Range

Scanspeak 18W/8531G00 Revelator 18cm 8 Ohm midwoofer with sliced undoped pulp cone.

Revelator logo

The Revelator 18W series of drivers continue the enviable trend set by the smaller 15W versions. There's a few variants and different impedances - they are all excellent. This version is available in 4 and 8 Ohms. A full datasheet is available for download at the bottom of this page.

Popular among high end & esoteric designers - and with very good reason.

Featuring a unique cone that is precision sliced then re-bonded with damping glue; this procedure gives a very high level of internal damping and control that is not normally obtainable with a standard type cone.

These no compromise drive units offer superlative sound quality with outstanding midrange resolution and solid bass extension.

 Key Features:

    • Patented Symmetrical Drive motor design
    • Die cast Aluminium Chassis vented below spider
    • Low-loss linear suspension
    • Sliced / Damped Cone (controls cone breakup)
    • Low Damping SBR Rubber Surround
    • Undoped pulp cone

    This woofer is 8 Ohms ; the 4 Ohm version is here : 18W/4531G00

    Basic parameters:

    Resonant frequency (fs) 28 Hz Nominal impedance (Zn) 8 Ω
    Mechanical  Q factor (Qms) 5.10 DC resistance (Re) 5.8 Ω
    Electrical Q factor (Qes) 0.39 RMS power handling 60 W
    Total Q factor (Qts) 0.36 Sensitivity (2.83V/1m) 87 dB
    Equivalent volume (Vas) 58.2L Chassis diameter 182.2 mm

    Here's the full datasheet:

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