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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