Scan-Speak Revelator 28W/4878T00
28 cm Subwoofer, 4 ohm, Sandwich Paper Cone, Ferrite Magnet
The 28W/4878T00 is a very powerful 28cm subwoofer, with its large 3” voice coil, extreme linear excursion and low resonance frequency is it perfect to reproduce the deepest frequencies. It features a paper-sandwich cone with very high stiffness and relative low weight. The motor system has heavy duty copper sleeves for optimizing eddy currents and minimizing self-induction.
- Paper sandwich cone
- Patented Symmetrical Drive motor
- Spider with balanced tinsel leads
- Extreme linear excursion (+/-14 mm)
- 3" Voice coil, Titanium former and paper reinforced
- Stiff and strong die cast aluminium chassis

Size: 28 cm
Fs: 18 Hz
Re: 3.1 ?
Qt: 0.3
Sensitivity: 88 dB
VAS: 127 ltr.
Sd: 363 cm²
Bl: 11.2 Tm