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 : |
|
|---|---|
| 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. |
|
|
| Specs Tweeter : |
|
| 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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