5″x 8″ SB15SFCR39-4 / Paper
Features
- Racetrack design
- Hard paper cone (made in-house)
- Optimized motor system
- Non-conductive reinforced vented coil former
- Symmetric suspension
- Low damping rubber surround
- Long life silver lead wires
- Vented chassis
Additional information
| Nominal Impedance | 4 Ω |
|---|---|
| DC resistance | Re 3.5 Ω |
| Voice coil inductance | Le 0.88 mH |
| Effective piston area | Sd 178 cm2 |
| Voice coil diameter | 38.5 mm |
| Voice coil height | 17 mm |
| Air gap height | 6 mm |
| Linear coil travel (p-p) | 11 mm |
| Magnetic flux density | 0.94 T |
| Magnet weight | 0.54 kg |
| Net Weight | 1.65 kg |
| Free air resonance | Fs 31.5 Hz |
| Sensitivity | 89.5 dB |
| Mechanical Q-factor | Qms 7.9 |
| Electrical Q-factor | Qes 0.34 |
| Total Q-factor | Qts 0.33 |
| Moving mass incl. air | Mms 24 g |
| Force factor | Bl 7.0 Tm |
| Equivalent volume | Vas 47.8 liters |
| Compliance | Cms 1.06 mm/N |
| Mechanical loss | Rms 0.6 kg/s |
| Rated power handling | 80 W |
| Note | IEC 268-5, T/S parameters measured on drive units that are broken in. |
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