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Eminence Delta Pro-12A 12" Cast Frame Driver

Eminence Speaker
Part #290-510

Eminence Delta Pro-12A 12" Cast Frame Driver

Eminence Speaker
Part #290-510  
Model: Delta Pro-12A
The Eminence Delta Pro-12A 12" cast frame speaker is recommended for professional audio in sealed, vented, and horn-loaded enclosures. Ideal for full-range, mid/hi, and monitor wedges. Extremely efficient through the midrange, but with a surprisingly strong bass kick as well.
Key Features
  • Kapton coil former
  • Polyamide-imide coated copper voice coil
  • Die-cast aluminum frame
  • Ferrite magnet
  • Vented and extended pole piece
  • Paper cone
  • Cloth M-roll surround
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Overview

Eminence Delta Pro-12A 12" Cast Frame Driver

The Eminence Delta Pro-12A 12" cast frame speaker is recommended for professional audio in sealed, vented, and horn-loaded enclosures. Ideal for full-range, mid/hi, and monitor wedges. Extremely efficient through the midrange, but with a surprisingly strong bass kick as well. Similar to EVM12L-BL guitar speaker. Suitable replacement for EAW FR129Z, EAW SM122e, 804058, and LC1243. Made in the USA. 7-year manufacturer's warranty!

Product Details

BrandEminence Speaker
ModelDelta Pro-12A
Part Number290-510
UPC876358000333
Unit of MeasureEach
Weight17.9

Product Specifications

Nominal Diameter12"
Power Handling (RMS)400 Watts
Power Handling (MAX)800 Watts
Impedance8Ω
Frequency Response52 to 4,500Hz
Sensitivity99.2dB 2.83V/1m
Voice Coil Diameter2.5"

Thiele-Small Parameters

Resonant Frequency (Fs)51Hz
DC Resistance (Re)5.71Ω
Voice Coil Inductance (Le)0.84mH
Mechanical Q (Qms)7.56
Electromagnetic Q (Qes)0.37
Total Q (Qts)0.35
Compliance Equivalent Volume (Vas)2.89ft³
Mechanical Compliance of Suspension (Cms)0.21mm/N
BL Product (BL)15.3T·m
Diaphragm Mass Inc. Airload (Mms)48g
Maximum Linear Excursion (Xmax)4.6mm
Surface Area of Cone (Sd)532.4cm²

Materials of Construction

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

Mounting Information

Overall Outside Diameter12.38"
Baffle Cutout Diameter11.07"
Depth6.22"
# Mounting Holes8

Parts Express Staff Recommended Enclosure Volume

Sealed Volume1.3ft³
Sealed F3130Hz
Vented Volume1.9ft³
Vented F362Hz

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