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Eminence KAPPA PRO 12A

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Product Description

Eminence KAPPA Pro 12A (Eminence KAPPAPRO12A)

Pro Series 12" Raw Woofer

Recommended for professional audio in a vented mid-bass, and vented bass enclosure incorporating a high-pass filter.

Nominal Basket Diameter 12", 304.8mm
Nominal Impedance* 8 ohms
Power Rating**
Watts 500W
Music Program 1000W
Resonance 37Hz
Usable Frequency Range 57Hz - 2.8kHz
Sensitivity*** 97.1dB
Magnet Weight 80 oz.
Gap Height 0.37", 9.53mm
Voice Coil Diameter 3", 76.2mm

Thiele & Small Parameters
Resonant Frequency (fs) 37Hz
DC Resistance (Re) 5.46
Coil Inductance (Le) 1.22mH
Mechanical Q (Qms) 6.93
Electromagnetic Q (Qes) 0.25
Total Q (Qts) 0.24
Compliance Equivalent Volume (Vas) 121 liters / 4.3 cu.ft.
Peak Diaphragm Displacement Volume (Vd) 249cc
Mechanical Compliance of Suspension (Cms) 0.32mm/N
BL Product (BL) 17.3 T-M
Diaphragm Mass Inc. Airload (MMs) 59 grams
Efficiency Bandwidth Product (EBP) 148
Maximum Linear Excursion (Xmax) 4.8mm
Surface Area of Cone (Sd) 519.5 cm2
Maximum Mechanical Limit (Xlim) 14.8mm

Mounting Information
Recommended Enclosure Volume
Sealed N/a
Vented 17-34 liters / 0.6-1.2 cu.ft.
Driver Volume Displaced 155.5 / 2.55 liters
Overall Diameter 12.38", 314.5mm
Baffle Hole Diameter 11.07", 281.1mm
Front Sealing Gasket Fitted as standard
Rear Sealing Gasket Fitted as standard
Mounting Holes Diameter 0.26", 6.5mm
Mounting Holes B.C.D. 11.57", 293.8mm
Depth 6.22", 158mm
Net Weight 16.6 lbs, 7.5 kg
Shipping Weight 18.4 lbs, 8.4 kgs

Materials of Construction
Coil Construction Copper voice coil
Coil Former Polyimide former
Magnet Composition Ferrite magnet
Core Details Vented core

Basket Materials Die-cast aluminum basket
Cone Composition Paper Cone
Cone Edge Composition Cloth cone edge
Dust Cap Composition Solid composition paper dust cap

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