The Eminence Impero 12A 12" high power pro audio speaker is optimized for use in vented enclosures. Its 1,100 watt continuous power rating is a result of Eminence's extensive experience designing and manufacturing loudspeaker drivers for serious professional use.
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
Smooth response up to 2 kHz makes 2-way system designs easy and effective
Hand built in the USA
Power Handling (RMS)1,100 Watts
Power Handling (max)2200 Watts
Frequency Response56 to 3,000 Hz
Sensitivity93 dB 1W/1m
Voice Coil Diameter4"
Magnet Weight109 oz.
Resonant Frequency (Fs)43 Hz
DC Resistance (Re)5.58 ohms
Voice Coil Inductance (Le)1.46 mH
Mechanical Q (Qms)13.84
Electromagnetic Q (Qes)0.33
Total Q (Qts)0.32
Compliance Equivalent Volume (Vas)2.48 ft.Â³
Mechanical Compliance of Suspension (Cms)0.17 mm/N
BL Product (BL)19.49 Tm
Diaphragm Mass Inc. Airload (Mms)83g
Maximum Linear Excursion (Xmax)6.22 mm
Surface Area of Cone (Sd)545.4 cmÂ²
Materials of Construction
Cone MaterialTreated Paper
Voice Coil Wire MaterialCopper
Voice Coil FormerFiberglass
Basket / Frame MaterialCast Aluminum
Overall Outside Diameter12.38"
Baffle Cutout Diameter11.06"
# Mounting Holes8
Optimum Cabinet Size (determined using BassBox 6 Pro High Fidelity suggestion)