SB15SFCR39-4
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SB Acoustics 5x8" Racetrack Woofer - 39mm VC, SB15SFCR39-4
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SB Acoustics 5x8" Racetrack Woofer - 39mm VC, SB15SFCR39-4
Specifications:
Nominal Impedance | 4 Ω | Free air resonance, Fs | 31.5 Hz |
DC resistance, Re | 3.5 Ω | Sensitivity (2.83 V / 1 m) | 89.5 dB |
Voice coil inductance, Le | 0.88 mH | Mechanical Q-factor, Qms | 7.9 |
Effective piston area, Sd | 178 cm2 | Electrical Q-factor, Qes | 0.34 |
Voice coil diameter | 38.5 mm | Total Q-factor, Qts | 0.33 |
Voice coil height | 17 mm | Moving mass incl.air, Mms | 24 g |
Air gap height | 6 mm | Force factor, Bl | 7.0 Tm |
Linear coil travel (p-p) | 11 mm | Equivalent volume, Vas | 47.7 liters |
Magnetic flux density | 0.94 T | Compliance, Cms | 1.06 mm/N |
Magnet weight | 0.54 kg | Mechanical loss, Rms | 0.6 kg/s |
Net weight | 1.65 kg | Rated power handling* | 80 W |
* IEC 268-5, T/S parameters measured on drive units that are broken in. |
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