Scan Speak 32 W 4878 T01 Revelator, Papier Sandwich

-6 %

RRP 776,00 €

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WOOFER 32W/4878T01

The 32W/4878T01 is a powerful woofer designed by Scan-speak. Its large 3” voice coil and low resonance frequency is perfect to reproduce low to mid frequencies at with high efficiency. It features a brand new type of paper-sandwich cone with a special foam filling technology (patented) that gives the cone very high stiffness and relative low weight. The motor system has heavy-duty copper sleeves for optimizing eddy currents effect and minimized self-induction.

Key features:
  • Paper sandwich cone with Patented foam filling
  • Patented Symmetrical Drive motor
  • Spider with balanced woven in tinsel leads
  • Lin. excursion (±7.0 mm) with high efficiency
  • 3” Voice coil, Titanium former and paper reinforced
  • Stiff and strong die cast aluminium chassis

Short data

Usage as Woofer
Power Handling 800 Watt
Impedance 4 Ohm
Frequency from 30 Hz
Max. Frequency 2 kHz
Sound pressure 92 dB


Overall dimensions 320 mm
Baffle cutout 290.5 mm
Depth (Total) 151.60 mm
Frame Material Aluminium diecast
Membrane Type Cone
Membrane Surround Rubber
Membrane Material Paper
Dustcap Material Paper
Voice coil Ø 75 mm
Voice coil height 22 mm
Voice coil material Titanium
Air gap height 8 mm
Magnet Ø 200.50 mm
Magnet-height 62.20 mm


Resonance fs fs: 23 Hz
Mechanical Q Qms: 6.0
Electrical Q Qes: 0.30
Total Q Qts: 0.28
Equivalent Air-Volumen Vas: 170 Liter
DC-Resistance Re: 3.1 Ohm
Coil Inductance Le: 0.30 mH
Mech. Compliance Cms: 0.43 mm/N
Moving Mass Mms: 112 g
mech. Resistance Rms: 2.7 kg/s-¹
Max. Excursion +/- Xmax: 7 mm
BL Product Bl: 13 N/A
Membrane Ø Md: 258.80
Membrane Area Sd: 531 cm²
Sound pressure dB: 92 SPL

Frequency & Impedance

Technical Dimensions

PDF-Product information

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