Genuine Eminence
ALPHA 4-8 - 8 OHMS
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ALPHA 4-8 - 8 OHMS |
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THE EMINENCE ALPHA 4-8 4" SPEAKER IS GREAT FOR SYSTEMS THAT NEED A SINGLE SPEAKER TO PLAY 105HZ TO 12KHZ! |
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Free UPS Ground Shipping in the U.S. |
Alpha 4-8/Pair
Item Price: $49.99 |
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WOOFER
MODEL |
ALPHA 4-8 |
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SPECIFICATIONS |
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Nominal
Basket Diameter |
4"
/ 76mm |
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Impedance |
8
ohms
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RMS
Power Rating |
55
Watts |
| Program Power Handling | 110 Watts |
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Frequency
Response |
105Hz - 120kHz |
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Sensitivity
(1W/1m) |
88dB |
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Voice
Coil Diameter |
1"
/ 25mm |
| Rec. Enclosure Volume(Sealed) | .07 - .3cu. ft./1.87 - 8.5 Liters |
| Rec. Enclosure Volume(Vented) | .08 - .15cu. ft./2.27 - 4.25 Liters |
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MATERIALS |
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| Basket | Pressed Steel |
| Cone | Paper |
| Surround | Cloth |
| Dust Cap | Solid Paper |
| Voice Coil | Copper |
| Voice Coil Former | Polyimide |
| Core | Non-Vented |
| Magnet | Ferrite |
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MOUNTING INFORMATION |
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| Overall Diameter | 4.57" / 116.1mm |
| Bolt Circle Diameter | 4.25" / 108mm |
| Baffle Cutout Diameter | 3.77" / 95.8mm |
| No. Of Mounting Holes | 4 |
| Mounting Hole Diameter | 0.15" / 3.8mm |
| Overall Depth | 2.31" / 58.7mm |
| Net Weight | 1.5 lbs. / .68 kg. |
| Shipping Weight | 1.6 lbs. /.7kg. |
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THIELE-SMALL PARAMETERS |
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| Resonant Frequency (fs) | 123 Hz |
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Impedance (Re) |
6.73 ohms |
| Coil Inductance (Le) | 0.28mH |
| Electromagnetic Q (Qes) |
.84 |
| Mechanical Q (Qms) | 6.83 |
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Total Q (Qts) |
.75 |
| Compliance Equivalent Vol. (Vas) | 1.34 Liters/.07cu. ft. |
| Voice Coil Overhang (Xmax) | 2.6mm |
| Diaphragm Mass (Mms) | 4 Grams |
| BL Factor (BL) | 4.94 T-M |
| Surface Area of Cone (Sd) | .0577m2 |
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FREQUENCY RESPONSE GRAPH |
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US Speaker, LLC
