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!

Eminence Impero-18CEminence Impero-18C

IMPERO-18C

No Longer Available

WOOFER MODEL

IMPERO-18C

SPECIFICATIONS

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

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
Impero-18C Frequency Response

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