Product Specifications |
Manufacturer |
SB ACOUSTICS |
Speaker Type |
Fiber Cone / Textile Dome Coax |
Nominal Diameter |
12cm/12mm |
Impedance |
4 ohms |
Power Handling (RMS) |
30 W |
Frequency Response |
58 - 20000Hz |
Sensitivity |
87 dB |
Voice Coil Diameter |
25/12mm |
SB ACOUSTICS SB12PFCR25-4-COAX, 12cm FIBER CONE COAX with 12mm SOFT DOME 4OHM
Features
Vented reinforced plastic chassis
Proprietary cone material with natural fibers made in-house
Soft low damping rubber surround for improved transient response
Optimized motor system
Non-resonant long life lead wires
Compact large surround dome tweeter
Specs
SPECS WOOFER:
Nominal Impedance 4 Ω
DC resistance, Re 3.1 Ω
Voice coil inductance, Le 0.26 mH
Effective piston area, Sd 45 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 1.0 T
Magnet weight 0.40 kg
Net weight 0.86 kg
Free air resonance, Fs 58 Hz
Sensitivity (2.83V/1m) 87 dB
Mechanical Q-factor, Qms 4.07
Electrical Q-factor, Qes 0.36
Total Q-factor, Qts 0.33
Moving mass incl. air,Mms 4.5 g
Force factor, Bl 3.8 Tm
Equivalent volume, Vas 4.8 liters
Compliance, Cms 1.66 mm/N
Mechanical loss, Rms 0.4 kg/s
Rated power handling* 30 W
* IEC 268-5, T/S parameters measured on drive units that are broken in.
SPECS TWEETER:
Nominal Impedance 4 Ω
DC resistance, Re 3.0 Ω
Voice coil diameter 12.4 mm
Voice coil height 1.2 mm
Air gap height 1.5 mm
Free air resonance, Fs 1300 Hz
Sensitivity (2.83V/1m) 89 dB
Rated power handling* 10 W
Magnetic flux density 1.05 T
Magnet weight 0.003 kg
Net weight 0.014 kg