Speaker - Eminence® Pro, 18", Impero 18, 1200W

Eminence
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Speaker - Eminence® Pro, 18", Impero 18, 1200W

$269.99
Note: special order items require additional lead time. See our page on special order items.

Special Order Item

Professional Series 18" speaker. High power driver recommended for pro audio in vented enclosures. Suited for full-range three-way boxes, bass guitar boxes, and small subwoofers

RoHS Compliant
SKU:
P-A-IMPERO-18-X
Item ID:
010510
Brand:
EminenceProfessional
Size:
Part Numbers
ImpedanceOur Part NumberUPC/EANEminence Part Number
4 ΩP-A-IMPERO-18C-4876358002061 IMPERO 18A
8 ΩP-A-IMPERO-18A-8876358002054 IMPERO 18A
Product Measurements by Type
Baffle Hole Diameter16.56 in.
Basket MaterialDie-cast aluminum basket
Coil Constructioncopper voice coil
Coil FormerFiberglass former
Coil Inductance (le)4 Ω versionP-A-IMPERO-18C-41.09 mH
8 Ω versionP-A-IMPERO-18A-81.47 mH
Cone CompositionWater resistant paper cone
Cone Edge CompositionTreated cloth cone edge
Core DetailsBumped Vented Extended core
D.C. Resistance (Re) 4 Ω versionP-A-IMPERO-18C-43.13 Ω
8 Ω versionP-A-IMPERO-18A-85.41 Ω
Depth8.31 in.
Driver Volume Displaced6.7 liters
Dust Cap CompositionWater resistant treated paper dust cap
Efficiency Bandwidth Product (ebp)4 Ω versionP-A-IMPERO-18C-489
8 Ω versionP-A-IMPERO-18A-875
Electrical Q Factor (Qes)4 Ω versionP-A-IMPERO-18C-40.35
8 Ω versionP-A-IMPERO-18A-80.44
Equivalent Acoustic Volume (VAS)317.02 liters
Force Factor (BxL)4 Ω versionP-A-IMPERO-18C-416.1 Wb/m
8 Ω versionP-A-IMPERO-18A-818.9 Wb/m
Front Sealing GasketYes
Gap Height12.7 mm
Linear Displacement, maximum (XMAX)4 Ω versionP-A-IMPERO-18C-48.13 mm
8 Ω versionP-A-IMPERO-18A-88 mm
Magnet CompositionFerrite
Magnet Weight109 oz.
Mechanical Compliance (CMS)0.17 mm/N
Mechanical Limit, maximum (XLIM)20.2 mm
Mechanical Moving Mass (MMS)4 Ω versionP-A-IMPERO-18C-4148 g
8 Ω versionP-A-IMPERO-18A-8140 g
Mechanical Q Factor (QMS)4 Ω versionP-A-IMPERO-18C-410.13
8 Ω versionP-A-IMPERO-18A-814.02
Mounting Hole Bolt Circle Diameter438.2 mm
Mounting Hole Diameter7.1 mm
Nominal Basket Diameter18 in.
Nominal Impedance4 Ω versionP-A-IMPERO-18C-44 Ω
8 Ω versionP-A-IMPERO-18A-88 Ω
Overall Diameter457.2 mm
Peak Diaphragm Displacement Volume (vd)4 Ω versionP-A-IMPERO-18C-4942.7 cm3
8 Ω versionP-A-IMPERO-18A-8927.2 cm3
Power Rating1,200 W
Program Power Rating2,400 W
Rear Sealing GasketYes
Recommended Enclosure Volume, vented4 Ω versionP-A-IMPERO-18C-4118.93 liters - 339.8 liters
8 Ω versionP-A-IMPERO-18A-8113.27 liters - 277.51 liters
Resonance4 Ω versionP-A-IMPERO-18C-431 Hz
8 Ω versionP-A-IMPERO-18A-833 Hz
Resonance Frequency (ƒS)4 Ω versionP-A-IMPERO-18C-431 Hz
8 Ω versionP-A-IMPERO-18A-833 Hz
Sensitivity4 Ω versionP-A-IMPERO-18C-494.5 dB
8 Ω versionP-A-IMPERO-18A-895.9 dB
Surface Area Of Cone (sd)1159 cm2
Total Q Factor (QTS)4 Ω versionP-A-IMPERO-18C-40.34
8 Ω versionP-A-IMPERO-18A-80.43
Usable Frequency Range4 Ω versionP-A-IMPERO-18C-436 Hz - 0.8 kHz
8 Ω versionP-A-IMPERO-18A-839 Hz - 0.8 kHz
Voice Coil Diameter4 in.
Packaging Information
Packaging Dimensions19 in. × 19 in. × 8.125 in.
Weight (Packaging)30.8 lbs.
Product Measurements by Item
P-A-IMPERO-18C-4 - 4 Ω versionBaffle Hole Diameter16.56 in.
Basket MaterialDie-cast aluminum basket
Coil Constructioncopper voice coil
Coil FormerFiberglass former
Coil Inductance (le)1.09 mH
Cone CompositionWater resistant paper cone
Cone Edge CompositionTreated cloth cone edge
Core DetailsBumped Vented Extended core
D.C. Resistance (Re) 3.13 Ω
Depth8.31 in.
Driver Volume Displaced6.7 liters
Dust Cap CompositionWater resistant treated paper dust cap
Efficiency Bandwidth Product (ebp)89
Electrical Q Factor (Qes)0.35
Equivalent Acoustic Volume (VAS)317.02 liters
Force Factor (BxL)16.1 Wb/m
Front Sealing GasketYes
Gap Height12.7 mm
Linear Displacement, maximum (XMAX)8.13 mm
Magnet CompositionFerrite
Magnet Weight109 oz.
Mechanical Compliance (CMS)0.17 mm/N
Mechanical Limit, maximum (XLIM)20.2 mm
Mechanical Moving Mass (MMS)148 g
Mechanical Q Factor (QMS)10.13
Mounting Hole Bolt Circle Diameter438.2 mm
Mounting Hole Diameter7.1 mm
Nominal Basket Diameter18 in.
Nominal Impedance4 Ω
Overall Diameter457.2 mm
Peak Diaphragm Displacement Volume (vd)942.7 cm3
Power Rating1,200 W
Program Power Rating2,400 W
Rear Sealing GasketYes
Recommended Enclosure Volume, vented118.93 liters - 339.8 liters
Resonance31 Hz
Resonance Frequency (ƒS)31 Hz
Sensitivity94.5 dB
Surface Area Of Cone (sd)1159 cm2
Total Q Factor (QTS)0.34
Usable Frequency Range36 Hz - 0.8 kHz
Voice Coil Diameter4 in.
P-A-IMPERO-18A-8 - 8 Ω versionBaffle Hole Diameter16.56 in.
Basket MaterialDie-cast aluminum basket
Coil Constructioncopper voice coil
Coil FormerFiberglass former
Coil Inductance (le)1.47 mH
Cone CompositionWater resistant paper cone
Cone Edge CompositionTreated cloth cone edge
Core DetailsBumped Vented Extended core
D.C. Resistance (Re) 5.41 Ω
Depth8.31 in.
Driver Volume Displaced6.7 liters
Dust Cap CompositionWater resistant treated paper dust cap
Efficiency Bandwidth Product (ebp)75
Electrical Q Factor (Qes)0.44
Equivalent Acoustic Volume (VAS)317.02 liters
Force Factor (BxL)18.9 Wb/m
Front Sealing GasketYes
Gap Height12.7 mm
Linear Displacement, maximum (XMAX)8 mm
Magnet CompositionFerrite
Magnet Weight109 oz.
Mechanical Compliance (CMS)0.17 mm/N
Mechanical Limit, maximum (XLIM)20.2 mm
Mechanical Moving Mass (MMS)140 g
Mechanical Q Factor (QMS)14.02
Mounting Hole Bolt Circle Diameter438.2 mm
Mounting Hole Diameter7.1 mm
Nominal Basket Diameter18 in.
Nominal Impedance8 Ω
Overall Diameter457.2 mm
Peak Diaphragm Displacement Volume (vd)927.2 cm3
Power Rating1,200 W
Program Power Rating2,400 W
Rear Sealing GasketYes
Recommended Enclosure Volume, vented113.27 liters - 277.51 liters
Resonance33 Hz
Resonance Frequency (ƒS)33 Hz
Sensitivity95.9 dB
Surface Area Of Cone (sd)1159 cm2
Total Q Factor (QTS)0.43
Usable Frequency Range39 Hz - 0.8 kHz
Voice Coil Diameter4 in.

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