Genuine Eminence |
ALPHA 4-4 - 4 OHMS |
THE EMINENCE ALPHA 4-4 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 4-4/Pair Item Price: $49.99 |
WOOFER
MODEL |
ALPHA 4-4 |
SPECIFICATIONS |
|
Nominal
Basket Diameter |
4"
/ 76mm |
Impedance |
4
ohms
|
RMS
Power Rating |
55
Watts |
Program Power Handling | 110 Watts |
Frequency
Response |
105Hz - 120kHz |
Sensitivity
(1W/1m) |
88dB |
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 |
MATERIALS |
|
Basket | Pressed Steel |
Cone | Paper |
Surround | Cloth |
Dust Cap | Solid Paper |
Voice Coil | Copper |
Voice Coil Former | Polyimide |
Core | Non-Vented |
Magnet | Ferrite |
MOUNTING INFORMATION |
|
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. |
THIELE-SMALL PARAMETERS |
|
Resonant Frequency (fs) | 120 Hz |
Impedance (Re) |
3.2 ohms |
Coil Inductance (Le) | 0.18mH |
Electromagnetic Q (Qes) |
.7 |
Mechanical Q (Qms) | 6.41 |
Total Q (Qts) |
.63 |
Compliance Equivalent Vol. (Vas) | 1.76 Liters/.06cu. ft. |
Voice Coil Overhang (Xmax) | 2.6mm |
Diaphragm Mass (Mms) | 5 Grams |
BL Factor (BL) | 4.12 T-M |
Surface Area of Cone (Sd) | .0577m2 |
FREQUENCY RESPONSE GRAPH |
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