Genuine Eminence
EMINENCE IMPERO-18C - 18" 4 OHM SUBWOOFER
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EMINENCE IMPERO-18C - 18" 4 OHM SUBWOOFER |
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THE EMINENCE IMPERO-18C 18" SUBWOOFER IS 4 OHMS, HANDLES 1,200 WATTS RMS & 2,400 WATTS PROGRAM AND HAS A WATER RESISTANT CONE! |
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IMPERO-18C |
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No Longer Available |
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WOOFER
MODEL |
IMPERO-18C |
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SPECIFICATIONS |
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Nominal
Basket Diameter |
18"
/ 457.2mm |
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Impedance |
4 ohms |
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RMS
Power Rating |
1,200
Watts |
| Program Power Handling | 2,400 Watts |
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Frequency
Response |
39Hz
- 820Hz |
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Sensitivity
(1W/1m) |
94.5dB |
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Voice
Coil Diameter |
4"
/ 101.6mm |
| Rec. Enclosure Volume(Vented) | 4.2-12.0cu. ft./118.9-339.8 Liters |
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MOUNTING INFORMATION |
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| Overall Diameter | 18" / 457.2mm |
| Bolt Circle Diameter | 17.25" / 438.2mm |
| Baffle Cutout Diameter | 16.56" / 420.6mm |
| No. Of Mounting Holes | 8 |
| Mounting Hole Diameter | 0.29" / 7.36mm |
| Overall Depth | 8.31" / 211.07mm |
| Magnet Weight | 109 oz. |
| Net Weight | 27.3 lbs. / 12.38kg. |
| Shipping Weight | 30.8 lbs. / 13.97kg. |
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MATERIALS |
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| Basket | Die-Cast Aluminum |
| Cone | Water Resistant Treated Paper |
| Voice Coil | Copper |
| Former | Fiberglass |
| Core | Bumped & Vented Extended Core |
| Dust Cap | Water Resistant Treated Paper |
| Surround | Treated Cloth |
| Magnet | Ferrite |
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THIELE-SMALL PARAMETERS |
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| Resonant Frequency (fs) | 31.48 Hz |
| Impedance (Re) | 3.13 ohms |
| Coil Inductance (Le) | 1.09mH |
| Electromagnetic Q (Qes) | .35 |
| Mechanical Q (Qms) | 10.13 |
| Total Q (Qts) | .34 |
| Compliance Equivalent Vol. (Vas) | 317.02 Liters/11.19cu. ft. |
| Voice Coil Overhang (Xmax) | 8.13mm |
| BL Factor (BL) | 16.1 T-M |
| Surface Area of Cone (Sd) | .1159 m2 |
| IMPERO-18C RESPONSE CURVE | |
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US Speaker, LLC
