Beyma PRO10MI 10 Ev Style

This item is brand-new, factory sealed.

* High power handling (350 W RMS):
* Excellent sensitivity (101 dB):
* Designed for medium frequencies reproduction:
* Nominal diameter: 250 mm. 10 in.
* Nominal impedance: 4 ohms
* Power handling / maximum: 350 W RMS / 700 W
* Sensitivity: 101 dB 1w at 1m
* Frequency range: 70 - 4000 Hz
* Voice coil diameter: 77 mm. 3 in.
* Bl factor: 15.8 N / A
* Moving mass: 0.039 Kg.
* Resonant frequency, fs: 46 Hz
* D.C. voice coil resistance, Re: 3.7 ohms.
* Mechanical quality factor, Qms: 7.24
* Electrical quality factor, Qes: 0.17
* Total quality factor, Qts: 0.17
* Equivalent air volume to Cms, Vas: 62 l
* Efficiency, ho ( Percent ): 3.5
* Effective surface area, Sd: 380 cm2
* Voice coil inductance, Le at 1kHz: 1.3 mH