Scanspeak 32W/4878T00 Subwoofer - Revelator Range


Scanspeak 32W/4878T00 Revelator 12.5 inch / 32cm 4 ohm Subwoofer. Top of the range.

Revelator logo

The most powerful subwoofer manufactured by Scanspeak to date features a large 3” voice coil, copper sleeved pole piece, foam filled paper cone, huge rubber sleeved magnet and a strong aluminium chassis.

The patented foam filled paper-sandwich cone is very stiff giving excellent attack and transients; this subwoofer is capable of foundation shaking undistorted sound pressure levels.

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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