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Eminence Kappa-12A 12" Driver 8 Ohm

Eminence SpeakerPart # 290-456
Model: Kappa-12A
The Eminence Kappa-12A 12" speaker is recommended for professional audio as a mid/hi or full-range in a vented enclosure.

Key Features

  • Kapton coil former
  • Polyamide-imide coated aluminum voice coil
  • Ferrite magnet
  • Vented pole piece
  • Pressed steel basket
  • Paper cone
  • Cloth accordian surround
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See all items in Pro Woofers, Subwoofers & Midrange Speakers
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Estimated back in stock 7/18/2025
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Overview

Eminence Kappa-12A 12" Driver 8 Ohm

The Eminence Kappa-12A 12" speaker is recommended for professional audio as a mid/hi or full-range in a vented enclosure. Made in the USA. 7-year manufacturer's warranty!

Product Details

BrandEminence Speaker
ModelKappa-12A
Part Number290-456
UPC876358000289
Unit of MeasureEach
Weight18

Product Specifications

Nominal Diameter12"
Power Handling (RMS)450 Watts
Power Handling (MAX)900 Watts
Impedance8Ω
Frequency Response62 to 4,200Hz
Sensitivity99.3dB 2.83V/1m
Voice Coil Diameter3"

Thiele-Small Parameters

Resonant Frequency (Fs)45Hz
DC Resistance (Re)5.41Ω
Voice Coil Inductance (Le)0.77mH
Mechanical Q (Qms)7.76
Electromagnetic Q (Qes)0.28
Total Q (Qts)0.27
Compliance Equivalent Volume (Vas)3.96ft³
Mechanical Compliance of Suspension (Cms)0.3mm/N
BL Product (BL)15.2T·m
Diaphragm Mass Inc. Airload (Mms)42g
Maximum Linear Excursion (Xmax)3.2mm
Surface Area of Cone (Sd)519.5cm²

Materials of Construction

Cone MaterialPaper
Surround MaterialCloth
Voice Coil Wire MaterialAluminum
Voice Coil FormerKapton® / Polyimide
Basket / Frame MaterialSteel
Magnet MaterialFerrite

Mounting Information

Overall Outside Diameter12.26"
Baffle Cutout Diameter11"
Depth5.63"
# Mounting Holes8

Parts Express Staff Recommended Enclosure Volume

Vented Volume1.63ft³
Vented F356.2Hz

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WARNING: Cancer and Reproductive Harm

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