SB Acoustics SB34SWPL76-4 12” Paper Cone Woofer
Features:
- Vented reinforced plastic chassis
- Proprietary cone material with natural fibers made in-house
- Soft low damping rubber surround for improved transient response
- Large spider for improved linearity
- Optimized motor system
- Vented coil former for low compression
- Non-resonant long life lead wires
Product Specification:
Nominal Impedance | 4 Ω |
DC resistance, Re | 3.5 Ω |
Voice coil inductance, Le | 5.3 mH |
Effective piston area, Sd | 458 cm2 |
Voice coil diameter | 76 mm |
Voice coil height | 38 mm |
Air gap height | 8 mm |
Linear coil travel (p-p) | 30 mm |
Magnetic flux density | 0.62 T |
Magnet weight | 2.4 kg |
Net weight | 7.68 kg |
Free air resonance, Fs | 19 Hz |
Sensitivity (2.83V/1m) | 85 dB |
Mechanical Q-factor, Qms | 7.7 |
Electrical Q-factor, Qes | 0.33 |
Total Q-factor, Qts | 0.32 |
Moving mass incl. air,Mms | 264 g |
Force factor, Bl | 18.3 Tm |
Equivalent volume, Vas | 79 liters |
Compliance, Cms | 0.27 mm/N |
Mechanical loss, Rms | 4.1 kg/s |
Rated power handling* | 300 W |
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