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楼主 |
发表于 2010-12-5 15:07
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直接上数据:A 5" woofer with die-cast basket and a low loss resonance free rubber surround that combined with a mid-sized magnet gives it excellent data and a very smooth response. Ideal for use in 2-way systems with volumes of 5-10 ltr. Furthermore, it can be used as a midrange in 3-way systems.
Thiele Small parameters: Free air Common Baffled
Nominal impedance Zn (ohm) 8
Minimum impedance/at freq. Zmin (ohm/Hz) 6.7/298
Maximum impedance Zo (ohm) 29.1
DC resistance Re (ohm) 6.1
Voice coil inductance Le (mH) 1.1
Capacitor in series with 8 ohm
(for impedance compensation) Cc (µF) 9
Resonance Frequency fs (Hz) 54.9 52.9
Mechanical Q factor Qms 2.07 2.15
Electrical Q factor Qes 0.55 0.57
Total Q factor Qts 0.43 0.45
F (Ratio fs/Qts) F (Hz) 117
Mechanical resistance Rms (Kg/s) 1.30
Moving mass Mms (g) 7.8 8.4
Suspension compliance Cms (mm/N) 1.08
Effective cone diameter D (cm) 10.4
Effective piston area Sd (cm²) 85
Equivalent volume VAS (ltrs) 11.0
Force factor Bl (N/A) 5.5
Reference voltage sensitivity
Re 2.83V 1m at 298 Hz (Measured) (dB) 86.9
Magnet and voice coil parameters:
Voice coil diameter d (mm) 26
Voice coil length h (mm) 10
Voice coil layers n 2
Flux density in gap B (T) 0.94
Total useful flux (mWb) 0.64
Height of the gap hg (mm) 6
Diameter of magnet dm (mm) 72
Height of magnet hm (mm) 15
Weight of magnet (kg) 0.23
Power handling:
Long term Max System Power (IEC) (W) 100
Max linear SPL (rms) / by power (dB/W) 102/100 |
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