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EMINENCE ALPHA-8MRA - 8" CLOSED BACK MIDRANGE |
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THE EMINENCE ALPHA-8MRA IS A SPECIALIZED HIGH EFFICIENCY MIDRANGE 8" SPEAKER WITH A CRISP MIDRANGE SOUND! |
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Item Price: $109.99 Free UPS Ground Shipping in the U.S. |
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WOOFER
MODEL |
ALPHA-8MRA |
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SPECIFICATIONS |
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Nominal
Basket Diameter |
8"
/ 203.2mm |
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Impedance |
8
ohms
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RMS
Power Rating |
125
Watts |
| Program Power Handling | 250 Watts |
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Frequency
Response |
400Hz - 4.8kHz |
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Sensitivity
(1W/1m) |
100.9dB |
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Voice
Coil Diameter |
1.5"
/ 38.1mm |
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Max. Crossover Frequency |
4.8kHz |
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MOUNTING INFORMATION |
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| Overall Diameter | 8.22" / 208.8mm |
| Bolt Circle Diameter | 7.78" / 197.6mm |
| Baffle Cutout Diameter | 7.19" / 182.6mm |
| No. Of Mounting Holes | 4 |
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Mounting Hole Diameter |
0.22" / 5.6mm |
| Overall Depth | 3.25" / 82.6mm |
| Magnet Weight | 20 oz. |
| Net Weight | 4.4 lbs. / 2.0 kg. |
| Shipping Weight | 5.1 lbs. / 2.31kg. |
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THIELE-SMALL PARAMETERS |
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| Resonant Frequency (fs) | 514 Hz |
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Impedance
(Re) |
7.32 ohms |
| Coil Inductance (Le) | 0.34mH |
| Electromagnetic Q (Qes) | 2.08 |
| Mechanical Q (Qms) | 4.48 |
| Total Q (Qts) | 1.42 |
| Compliance Equivalent Vol. (Vas) | .8 Liters/.03cu. ft. |
| Voice Coil Overhang (Xmax) | 1.6mm |
| Diaphragm Mass (Mms) | 7 Grams |
| BL Factor (BL) | 8.9 T-M |
| Surface Area of Cone (Sd) | .02141m2 |
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ALPHA-8MRA RESPONSE CURVE |
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US Speaker, LLC