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Reconed Eminence Kappa PRO 12A
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Description 

This speaker has been reconed in our recone center.

KAPPA PRO-12A

Professional Series

Recommended for professional audio in a vented mid-bass, and vented bass enclosure incorporating

a high-pass filter.

Please inquire about alternative impedances.

Multiple units exceed published rating evaluated under EIA 426A noise source and test standard while in a free-air, nontemperature-controlled environment.

The average output across the usable frequency range when applying 1W/1m into the nominal impedance. Ie: 2.83 V/8 ohms, 4 V/16 ohms.

Eminence response curves are measured under the following conditions: All speakers are tested at 1W/1m using a variety of test set-ups for the appropriate impedance | LMS using 0.25" supplied microphone (software

calibrated) mounted 1m from wall/baffle | 2 ft. X 2 ft. baffle is built into the wall with the speaker mounted flush against a steel ring for minimum diffraction | Hafler P1500 Trans-Nova amplifier | 2700 cu.ft. chamber with

fiberglass on all six surfaces (three with custom-made wedges)

*

**

***

Nominal Basket Diameter

Nominal Impedance*

Power Rating**

Watts

Music Program

Resonance

Usable Frequency Range***

Sensitivity

Magnet Weight

Gap Height

Voice Coil Diameter

12", 304.8mm

8 ohms

500W

1000W

37Hz

57Hz-2.8kHz

97.1

80 oz

0.375", 9.53mm

3", 76.2mm

Specification

Resonant Frequency (fs)

DC Resistance (Re)

Coil Inductance (Le)

Mechanical Q (Qms)

Electromagnetic Q (Qes)

Total Q (Qts)

Compliance Equivalent Volume (Vas)

Peak Diaphragm Displacement Volume (Vd)

Mechanical Compliance of Suspension (Cms)

BL Product (BL)

Diaphragm Mass inc. Airload (Mms)

Efficiency Bandwidth Product (EBP)

Maximum Linear Excursion (Xmax)

Surface Area of Cone (Sd)

Maximum Mechanical Limit (Xlim)

37Hz

5.46

1.22mH

6.93

0.25

0.24

121.0 ltr/4.3 cu. ft.

249cc

0.32mm/N

17.3 T-M

59 grams

148

4.8mm

519.5cm

2

14.8mm

Thiele & Small Parameters

Recommended Enclosure Volume

Sealed

Vented

Overall Diameter

Baffle Hole Diameter

Front Sealing Gasket

Rear Sealing Gasket

Mounting Holes Diameter

Mounting Holes B.C.D.

Depth

Net Weight

Shipping Weight

N/A

17-34 ltr/0.6-1.2 cu. ft.

12.38", 314.5mm

11.07", 281.1mm

Fitted as Standard

Fitted as Standard

0.26", 6.5mm

11.57", 293.8mm

6.22", 158mm

16.6 lbs, 7.5 kg

18.4 lbs, 8.4 kg

Mounting Information

Materials of Construction

Coil Construction

Coil

Magnet Composition

Core Details

Basket Materials

Cone Composition

Cone Edge Composition

Dust Cap Composition

Copper

Polyimide

Ferrite

Vented

Die-Cast Aluminum

Paper

Cloth

Solid Composition Paper

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