4″ SB12PFC25-8 / Paper
Features
- Vented reinforced plastic chassis
- Proprietary cone material with natural fibers made in-house
- Butyl rubber surround for smooth frequency response
- Vented motor system for low compression
- Long stroke linear suspension for improved dynamics
- Non-resonant long life lead wires
Additional information
Nominal Impedance | 8 Ω |
---|---|
DC resistance | Re 6.4 Ω |
Voice coil inductance | Le 0.36 mH |
Effective piston area | Sd 50 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 | 0.84 T |
Magnet weight | 0.32 kg |
Net Weight | 0.7 kg |
Free air resonance | Fs 64 Hz |
Sensitivity | (2.83 V / 1 m) 84.5 dB |
Mechanical Q-factor | Qms 4.10 |
Electrical Q-factor | Qes 0.65 |
Total Q-factor | Qts 0.56 |
Moving mass incl. air | Mms 5.1 g |
Force factor | Bl 4.5 Tm |
Equivalent volume | Vas 4.3 liters |
Compliance | Cms 1.21 mm/N |
Mechanical loss | Rms 0.5 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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