Eminence IMPERO 18A – High Powered 1,200W 18-Inch 8-Ohms Cone Subwoofer Driver
SKU: IMPERO 18A-
The Eminence Impero 18A is an 18 inch 8 ohm pro woofer features a 1,200 watts RMS power rating and a powerful magnet structure that helps this serious transducer move vast volumes of air.
Our Price: $319.99
In stock (can be backordered)
Description
Eminence Impero 18A
The Eminence Impero 18A is an 18 inch 8 ohm pro woofer features a 1,200 watts RMS power rating and a powerful magnet structure that helps this serious transducer move vast volumes of air.
High power driver recommended for pro audio in vented enclosures. Suited for full-range three-way boxes, bass guitar boxes, and small subwoofers.
The Eminence Impero 18A 18″ high power pro audio speaker is optimized for use in vented enclosures. Its 1,200 watt continuous power rating is a result of Eminence’s extensive experience designing and manufacturing loudspeaker drivers for serious professional use.
This 18″ cast frame transducer features a 4″ diameter copper voice coil that is wound on a fiberglass former. A large magnet, extended and vented pole piece, bumped back plate, and 1/2″ thick x 7-1/2″ diameter top plate ensure substantial motor strength, resulting in tremendous bass output.
The Impero 18A’s performance is ideal for full-range 3-way boxes, bass guitar boxes, and compact to medium-sized subwoofer speaker systems. Recommended enclosure volume: Vented: 113.2 ~ 277.5 liters / 4 ~ 9.8 cu. ft.
Features:
- Ultra-high power handling capacity guarantees long-term durability
- 4″ diameter copper voice coil on fiberglass former
- Weather-resistant paper cone and dust cap, treated cloth edge
- Die cast basket is light yet strong, ready to handle rough travel
- Massive, optimized motor structure helps move serious volumes of air
- Capable of sustaining thunderous levels of sub-bass
- Hand built in the USA
- Part # 290-696
- Weight: 31.15 lbs.
Specifications:
- Nominal Basket Diameter 18″, 457.2mm
- Nominal Impedance* 8 ohms
- Power Rating**
- Watts 1200W
- Music Program 2400W
- Resonance 33.17Hz
- Usable Frequency Range 39Hz – 0.82kHz
- Sensitivity*** 95.9dB
- Magnet Weight 109 oz.
- Gap Height 0.5″, 12.7mm
- Voice Coil Diameter 4″, 101.6mm
THIELE & SMALL PARAMETERS
- Resonant Frequency (fs) 33.17Hz
- DC Resistance (Re) 5.41
- Coil Inductance (Le) 1.47mH
- 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 (Vd) 927.2cc
- Mechanical Compliance of Suspension (Cms) 0.17mm/N
- BL Product (BL) 18.9 T-M
- Diaphragm Mass Inc. Airload (MMs) 139.52 grams
- Efficiency Bandwidth Product (EBP) 75.37
- Maximum Linear Excursion (Xmax) 8mm
- Surface Area of Cone (Sd) 1159 cm2
- Maximum Mechanical Limit (Xlim) 20.1mm
MOUNTING INFORMATION
- Recommended Enclosure Volume
- Sealed N/a
- Vented 113.2-277.5 liters / 4-9.8 cu.ft.
- Driver Volume Displaced 409.6 cu.in. / 6.7 liters
- Overall Diameter 18″, 457.2mm
- Baffle Hole Diameter 16.56″, 420.62mm
- Front Sealing Gasket Fitted as standard
- Rear Sealing Gasket Fitted as standard
- Mounting Holes Diameter 0.28″, 7.1mm
- Mounting Holes B.C.D. 17.25″, 438.15mm
- Depth 8.31″, 211.07mm
- Net Weight 27.3 lbs, 12.3 kg
- Shipping Weight 30.8 lbs, 13.9 kgs
MATERIALS OF CONSTRUCTION
- Coil Construction Copper voice coil
- Coil Former Fiberglass former
- Magnet Composition Ferrite magnet
- Core Details Bumped Vented Extended core
- Basket Materials Die-cast aluminum basket
- Cone Composition Water resistant paper cone
- Cone Edge Composition Treated cloth cone edge
- Dust Cap Composition Water resistant treated paper dust cap
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