SB Acoustics SB15SFCR39-8 5″ Paper Cone MidWoofer
Product Highlights:
- 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
- Vented coil former for low compression
- Non-resonant long life lead wires
Product Specification:
Nominal Impedance | 8 Ω |
DC resistance | Re 6.2 Ω |
Voice coil inductance | 1.3 mH |
Effective piston area | 178 cm2 |
Voice coil diameter | 38.5 mm |
Voice coil height | 16 mm |
Air gap height | 6 mm |
Linear coil travel (p-p) | 10 mm |
Magnetic flux density | 0.94 T |
Magnet weight | 0.54 kg |
Net Weight | 1.65 kg |
Free air resonance | 31 HZ |
Sensitivity | (2.83 V / 1 m) 87.0 dB |
Mechanical Q-factor | Qms 6.46 |
Electrical Q-factor | Qes 0.45 |
Total Q-factor | Qts 0.42 |
Moving mass incl. air | Mms 23.2 g |
Force factor | Bl 7.9 Tm |
Equivalent volume | VAS 51 liters |
Compliance | Cms 1.13 mm/N |
Mechanical loss | Rms 0.7KG\S |
Rated power handling | * 80 W |
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