Genuine Eminence
ALPHA-12A
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ALPHA-12A |
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THE ALPHA-12A HAS A NICE WELL ROUNDED SOUNDING SPEAKER! |
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WOOFER
MODEL |
ALPHA-12 |
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Specifications |
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| Nominal Basket Diameter |
12" / 304.8mm |
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Impedance |
8 ohms |
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RMS
Power Rating |
150
Watts |
| Program Power Handling | 300 Watts |
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Frequency
Response |
51Hz
- 4.3kHz |
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Sensitivity
(1W/1m) |
95.6dB |
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Voice
Coil Diameter |
1.5" / 38.1mm |
| Max. Crossover Frequency |
4.3kHz |
| Rec. Enclosure Volume(Sealed) | .6-.8cu. ft./717-22.7 Liters |
| Rec. Enclosure Volume(Vented) | 2-4cu. ft./58.6-113.3 Liters |
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Mounting
Information |
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Overall
Diameter |
12.24" / 310.9mm |
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Bolt
Circle Diameter |
11.63"
/ 295.3mm |
| Baffle Cutout Diameter | 11.04" / 280.4mm |
| No. Of Mounting Holes | 8 |
| Mounting Hole Diameter | 0.275" / 7mm |
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Overall
Depth |
4.725" / 120mm |
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Magnet
Weight |
20 oz. |
| Net Weight | 5.3 lbs. / 2.4 kg. |
| Shipping Weight | 7.1 lbs. / 3.2kg. |
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Thiele-Small Parameters |
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| Resonant Frequency (fs) | 49 Hz |
| Impedance (Re) | 6.3 ohms |
| Coil Inductance (Le) | 0.79mH |
| Electromagnetic Q (Qes) | .88 |
| Mechanical Q (Qms) | 6.53 |
| Total Q (Qts) | .77 |
| Compliance Equivalent Vol. (Vas) | 121.5 Liters/4.29cu. ft. |
| Voice Coil Overhang (Xmax) | 2.4mm |
| BL Factor (BL) | 8.5 T-M |
| Surface area of Cone (Sd) | .05195m2 |
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ALPHA-12A RESPONSE CURVE |
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US Speaker, LLC
