Scan-Speak Revelator 28W/4878T01
28 cm Woofer, 4 ohm, Sandwich Paper Cone, Ferrite Magnet
The 28W/4878T01 is a very powerful 28cm woofer, 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
- Long linear excursion
- 3" Voice coil, Titanium former, paper reinforced
- Stiff and strong die cast aluminium chassis

Size: 28 cm
Fs: 23 Hz
Re: 3.1 ?
Qt: 0.26
Sensitivity: 91 dB
VAS: 104 ltr.
Sd: 363 cm²
Bl: 12 Tm