Scanspeak Revelator 32W/4878T00 Subwoofer


Revelator 12.5 inch / 32cm 4 ohm Subwoofer. Top of the range.

Revelator logo

The 32W/4878T00 Revelator is the most powerful sub bass speaker manufactured by Scanspeak to date.

Featuring a large 3” voice coil, a huge maximum excursion / throw of 56mm and a low resonance frequency of just 18 Hz, it reproduces the deepest fundamental bass with ease & accuracy. Capable of very high SPLs.

The patented foam filled paper-sandwich cone has a very high stiffness to weight ratio.

Copper Faraday sleeves control eddy currents within the motor. Rugged heavy duty alloy chassis.

This is a superb and hugely powerful subwoofer, perfect for the ultimate in-car and domestic sub bass designs.

Also available in 8 ohms :  32W8878T01

Key Features:

  • Paper sandwich cone with Patented foam filling
  • 3” Voice coil wound on Titanium former 
  • Rugged die cast aluminium chassis
  • Huge maximum excursion (+/-28 mm)
  • Spider with balanced woven in tinsel leads

Basic parameters:

Resonant frequency (fs) 18 Hz Nominal impedance (Zn) 4 Ω
Mechanical  Q factor (Qms) 7 DC resistance (Re) 3.1 Ω
Electrical Q factor (Qes) 0.33 RMS power handling 350 W
Total Q factor (Qts) 0.32 Sensitivity (2.83V/1m) 90 dB
Equivalent volume (Vas) 207.5L Chassis diameter 320 mm

Here's the full datasheet:

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Priced as singles, including VAT.

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