SB20FRPC30-8
- SB20FRPC30-8
- SB ACOUSTICS
- Speaker Drivers
SB ACOUSTICS SB20FRPC30-8, 22cm PAPER/FIBER CONE FULLRANGE 8OHM.
Features
Proprietary cone material with natural fibers made in-house
Light weight foam surround
Optimized whizzer cone for smooth high frequency extension
Phase plug for controlled radiation
Large spider for improved linearity
Optimized motor system
Vented reinforced plastic chassis
Non-conductive coil former
Long life lead wires
Extended copper sleeve on pole piece
Specs
Nominal Impedance 8 Ω
DC resistance, Re 6.0 Ω
Voice coil inductance, Le 0.22 mH
Effective piston area, Sd 216 cm2
Voice coil diameter 30.5 mm
Voice coil height 13.2 mm
Air gap height 5 mm
Linear coil travel (p-p) 8.2 mm
Magnetic flux density 1.2 T
Magnet weight 0.54 kg
Net weight 1.43 kg
Free air resonance, Fs 39.4 Hz
Sensitivity (2.83V/1m) 92 dB
Mechanical Q-factor, Qms 10.1
Electrical Q-factor, Qes 0.47
Total Q-factor, Qts 0.45
Moving mass incl. air,Mms 16.3 g
Force factor, Bl 7.15 Tm
Equivalent volume, Vas 66.3 liters
Compliance, Cms 1.0 mm/N
Mechanical loss, Rms 0.4 kg/s
Rated power handling* 40 W
* IEC 268-5, T/S parameters measured on drive units that are broken in.
| FILENAME | ACTION |
|---|---|
| sb20frpc308.pdf | Download |