Eminence Impero 12A 12" Woofer AUTHORIZED DISTRIBUTOR!!

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Eminence Impero 12A  8 ohm

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SPECIFICATION

Nominal Basket Diameter

12", 304.8mm

Nominal Impedance*

8 ohms

Power Rating**

Watts

1100W

Music Program

2200W

Resonance

42.75Hz

Usable Frequency Range

56Hz - 3kHz

Sensitivity***

93dB

Magnet Weight

109 oz.

Gap Height

0.5", 12.7mm

Voice Coil Diameter

4", 101.6mm

THIELE & SMALL PARAMETERS

Resonant Frequency (fs)

42.75Hz

DC Resistance (Re)

5.58

Coil Inductance (Le)

1.46mH

Mechanical Q (Qms)

13.84

Electromagnetic Q (Qes)

0.33

Total Q (Qts)

0.32

Compliance Equivalent Volume (Vas)

70.2 liters / 2.48 cu.ft.

Peak Diaphragm Displacement Volume (Vd)

339.4cc

Mechanical Compliance of Suspension (Cms)

0.17mm/N

BL Product (BL)

19.49 T-M

Diaphragm Mass Inc. Airload (MMs)

83.47 grams

Efficiency Bandwidth Product (EBP)

129.8

Maximum Linear Excursion (Xmax)

6.22mm

Surface Area of Cone (Sd)

545.4 cm2

Maximum Mechanical Limit (Xlim)

12.5mm

MOUNTING INFORMATION

Recommended Enclosure Volume

Sealed

N/a

Vented

33.98-118.9 liters / 1.2-4.2 cu.ft.

Driver Volume Displaced

184.8 cu.in. / 3 liters

Overall Diameter

12.38", 314.45mm

Baffle Hole Diameter

11.06", 280.92mm

Front Sealing Gasket

Fitted as standard

Rear Sealing Gasket

Fitted as standard

Mounting Holes Diameter

0.27", 6.98mm

Mounting Holes B.C.D.

11.69", 296.93mm

Depth

6.13", 155.7mm

Net Weight

24.2 lbs, 10.9 kg

Shipping Weight

26.6 lbs, 11.7 kgs

MATERIALS OF CONSTRUCTION

Coil Construction

Copper voice coil

Coil Former

Fiberglass

Magnet Composition

Ferrite magnet

Core Details

Bumped Vented Extended core