Genuine Eminence |
EMINENCE IMPERO-18C - 18" 4 OHM SUBWOOFER |
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 |
No Longer Available |
WOOFER
MODEL |
IMPERO-18C |
SPECIFICATIONS |
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Nominal
Basket Diameter |
18"
/ 457.2mm |
Impedance |
4 ohms |
RMS
Power Rating |
1,200
Watts |
Program Power Handling | 2,400 Watts |
Frequency
Response |
39Hz
- 820Hz |
Sensitivity
(1W/1m) |
94.5dB |
Voice
Coil Diameter |
4"
/ 101.6mm |
Rec. Enclosure Volume(Vented) | 4.2-12.0cu. ft./118.9-339.8 Liters |
MOUNTING INFORMATION |
|
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. |
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 |
THIELE-SMALL PARAMETERS |
|
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 | |
US Speaker, LLC