SB12PFCR25-8
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SB Acoustics 4" mid/woofer, 25mm VC PFC, Round Basket , SB12PFCR25-8 25mm Voice coil, paper cone, rubber surround, ferrite motor, round mounting injection chassis
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SB Acoustics 4" mid/woofer, 25mm VC PFC, Round Basket , SB12PFCR25-8 25mm Voice coil, paper cone, rubber surround, ferrite motor, round mounting injection chassis
Specifications:
Nominal Impedance | 8 | Free air resonance, Fs | 64 Hz |
DC resistance, Re | 6.4 | Sensitivity (2.83 V / 1 m) | 84.5 dB |
Voice coil inductance, Le | 0.36 mH | Mechanical Q-factor, Qms | 4.10 |
Effective piston area, Sd | 50 cm2 | Electrical Q-factor, Qes | 0.65 |
Voice coil diameter | 25.4 mm | Total Q-factor, Qts | 0.56 |
Voice coil height | 15 mm | Moving mass incl.air, Mms | 5.1 g |
Air gap height | 5 mm | Force factor, Bl | 4.5 Tm |
Linear coil travel (p-p) | 10 mm | Equivalent volume, Vas | 4.3 liters |
Magnetic flux density | 0.84 T | Compliance, Cms | 1.21 mm/N |
Magnet weight | 0.32 kg | Mechanical loss, Rms | 0.5 kg/s |
Net weight | 0.7 kg | Rated power handling* | 30 W |
IEC 268-5, T/S parameters measured on drive units that are broken in. |
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