Eminence Impero-18A - 18" Subwoofer, 1200W - 8Ohm

Eminence Impero-18A - 18" Subwoofer, 1200W - 8Ohm

SPECIFICATION

• Nominal Basket Diameter 18", 457.2 mm
• Nominal Impedance 8 ohms
• Power Rating Watts 1200 W / Music Program 2400 W
• Resonance 33.17 Hz
• Usable Frequency Range 39 Hz - 0.82 kHz
• Sensitivity 95.9 dB
• Magnet Weight 109 oz
• Gap Height 0.5", 12.7 mm
• Voice Coil Diameter 4", 101.6 mm

THIELE & Small Parameters

• Resonant Frequency (fs) 33.17 Hz
• DC Resistance (Re) 5.41
• Coil Inductance (Le) 1.47 mH
• Mechanical Q (Qms) 14.02
• Electromagnetic Q (Qes) 0.44
• Total Q (Qts) 0.43
• Compliance Equivalent Volume (Vas) 317.02 liters / 11.19 cu.ft.
• Peak Diaphragm Displacement Volume 927.2 cc
• Mechanical Compliance of Suspension 0.17 mm/N
• BL Product (BL) 19.9 T-M
• Diaphragm Mass inc. Airload (Mms) 139.52 grams
• Efficiency Bandwidth Product (EBP) 75.37
• Maximum Linear Excursion (Xmax) 8 mm
• Surface Area of Cone (Sd) 1159 cm²
• Maximum Mechanical Limit (Xlim) 20.1 mm

MOUNTING Information

• empfohlenes Gehäusevolumen 113.2 - 277.5 liter Bassreflex
• Overall Diameter 18", 457.2 mm
• Baffle Hole Diameter 16.56", 420.62 mm
• Front Sealing Gasket fitted as standard
• Rear Sealing Gasket fitted as standard
• Mounting Holes Diameter 0.29", 7.36 mm
• Mounting Holes B.C.D. 17.25", 438.15 mm
• Depth 8.31", 211.07 mm