4″ SB12PFCR25-4-COAX
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
Additional information
Specs Woofer : |
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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 |
Note | IEC 268-5, T/S parameters measured on drive units that are broken in. |
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Specs Tweeter : |
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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 |
Note | IEC 268-5, high-pass Butterworth, 3.5 Hz, 12dB/oct |
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