Eminence Beta Series 12-Inch 250-Watt Speaker (16 Ohms)

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About This Product!
Description
Performance optimized for sound reinforcement systems. Also suitable for lead and bass guitar, keyboards, guitar combos, club music systems, and stage monitors.

Technical Info

Nominal Basket Diameter: 12 in. (304.8 mm)

Impedance: 16 ohm

Power Rating: 250 W rms

Resonance: 50Hz

Usable Frequency Range: 50Hz - 5kHz

Average Sensitivity: 1W @ 1m 100 dB

Magnet Weight: 34 oz.

Gap Height: 0.312 in. (7.94 mm)

Voice Coil Diameter: 2 in. (50.8 mm)

Resonant Frequency: 50Hz

Impedance (RE): 7.07 ohm

Coil Inductance (Le): 0.84mH

Electromagnetic Q (Qes): 0.57

Mechanical Q (Qms): 5.82

Total Q (Qts): 0.52

Compliance Equivalent Volume (Vas): 114.7 liters (4.05 cu.ft.)

Peak Diaphragm Displacement Volume (Vd): 42cc

Mechanical Compliance of suspension (Cms): 0.29mm/N

BL Product (BL): 11.6 T-M

Diaphragm Mass inc. Airload (Mms): 35 grams

Equiv. Resistance of mechanical suspension loss (Rms): 1.88N*sec/M

Efficiency Bandwidth Product (EBP): 88

Voice Coil Overhang (Xmax): 0.8 mm

Surface Area of Cone (Sd): 532.4cm2

Impedance at Resonance (Zmax): 79 ohm
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