Product Specifications |
Manufacturer |
SB ACOUSTICS |
Speaker Type |
Fiber Cone Midbass |
Nominal Diameter |
12cm |
Impedance |
8 ohms |
Power Handling (RMS) |
30 W |
Frequency Response |
64 Hz |
Sensitivity |
84.5 dB |
Voice Coil Diameter |
25mm |
SB ACOUSTICS SB12PFCR25-8, 12cm FIBER CONE MIDWOOFER 8OHM
Features
Vented reinforced plastic chassis
Proprietary cone material with natural fibers made in-house
Butyl rubber surround for smooth frequency response
Vented motor system for low compression
Long stroke linear suspension for improved dynamics
Non-resonant long life lead wires
Specs
Nominal Impedance 8 Ω
DC resistance, Re 6.4 Ω
Voice coil inductance, Le 0.36 mH
Effective piston area, Sd 50 cm2
Voice coil diameter 25.4 mm
Voice coil height 15 mm
Air gap height 5 mm
Linear coil travel (p-p) 10 mm
Magnetic flux density 0.84 T
Magnet weight 0.32 kg
Net weight 0.7 kg
Free air resonance, Fs 64 Hz
Sensitivity (2.83 V / 1 m) 84.5 dB
Mechanical Q-factor, Qms 4.10
Electrical Q-factor, Qes 0.65
Total Q-factor, Qts 0.56
Moving mass incl. air, Mms 5.1 g
Force factor, Bl 4.5 Tm
Equivalent volume, VAS 4.3 liters
Compliance, Cms 1.21 mm/N
Mechanical loss, Rms 0.5 kg/s
Rated power handling* 30 W
* IEC 268-5, T/S parameters measured on drive units that are broken in.