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Eminence Impero 18A - 8 ohm - Woofer

Details
Additional Information

High power driver recommended for pro audio in vented enclosures. Suited for full-range three-way boxes, bass guitar boxes, and small subwoofers.

SPECIFICATIONS
Nominal Diameter: 18", 457 mm
Nominal Impedance: 8 ohms
Power: 1200w rms, 2400w program
Freq. Response: 39.0 Hz-820 Hz
Sensitivity: 95.5 db 1w/1m
Magnet Weight: 109.0 oz, 3090.0 grams
Gap Height 0.5", 12.7 mm
Voice Coil Diameter 4.0", 101.6 mm

MOUNTING INFORMATION
Recommended Enclosure Volume
- Sealed: Not Applicable
- Vented: 113.27-277.51 L, 4-9.8 cuft
Overall Diameter: 18.0", 457.2 mm
Baffle Hole Dia: 16.56", 420.62 mm
Number of Mounting Holes: 8
Mounting Holes Dia: 0.29", 7.36 mm
Mounting Holes BCD: 17.25", 438.15 mm
Depth: 8.31", 211.07 mm
Net Weight: 27.3 lbs, 12.38 kg
Shipping Weight: 30.8 lbs, 13.97 kg

T/S PARAMETERS
Fs: 33.2 Hz
Re: 5.41 ohms
Le: 1.47 mH
Qms: 14.02
Qes: 0.44
Qts: 0.43
Vas: 317.02 L, 11.19 cuft
Vd: 927.2 cc
Cms: 0.17 mm/N
BL: 18.9 Tm
Mms: 139.52 grams
EBP: 75.4
Xmax: 8.0 mm
Sd: 1159 cm2
Xlim: 20.17 mm

CONSTRUCTION
-Copper voice coil on fiberglass voice coil former
-Ferrite magnet with bumped vented and extended core
-Die-cast aluminum basket
-Water resistant treated paper cone with treated cloth cone edge
-Water resistant treated paper dust cap

Eminence Impero 18A - 8 ohm - Woofer

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