All systems operational. Multiple currency checkout available soon !

All systems operational. Multiple currency checkout available soon !



Scanspeak 18M/4631T00 Midrange - Revelator Range

Scanspeak 18M/4631T00 18 cm Revelator midrange drive unit.

Revelator logo

This new addition to the ground breaking Revelator series of dedicated midrange drivers features a larger 18cm sliced / glued pulp cone and a rigid titanium voice coil former. The low loss suspension and coated foam surround help this lovely unit yield a very useful sensitivity of 92 dB whilst still producing excellent midrange clarity and upper range extension. Highly recommended.

A full datasheet can be downloaded from this page.

 Key Features:

    • Sliced / Damped Cone (Controls Cone Breakups)
    • Die cast Aluminium Chassis vented below spider
    • Patented Symmetrical Drive motor design
    • Rigid Titanium voice coil former
    • High efficiency 92dB @ 2.83V

    Basic parameters:

    Resonant frequency (fs) 65 Hz Nominal impedance (Zn) 4 Ω
    Mechanical  Q factor (Qms) 5.65 DC resistance (Re) 3.5 Ω
    Electrical Q factor (Qes) 0.67 RMS power handling 50 W
    Total Q factor (Qts) 0.60 Sensitivity (2.83V/1m) 92 dB
    Equivalent volume (Vas) 14L Chassis diameter 182 mm

    Here's the full datasheet:

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