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Eminence Delta-15LFA 15" Low Frequency Driver

Eminence Speaker
Part #290-417

Eminence Delta-15LFA 15" Low Frequency Driver

Eminence Speaker
Part #290-417  
Model: Delta-15LFA
The Eminence Delta-15LFA 15" speaker's performance is optimized for high power bass in sound reinforcement systems, bass guitar combos, club music systems, and stage monitors.
Key Features
  • Kapton coil former
  • Polyamide-imide coated copper voice coil
  • Ferrite magnet
  • Vented and extended pole piece
  • Pressed steel basket
  • Paper cone
  • Cloth double half-roll surround
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Overview

Eminence Delta-15LFA 15" Low Frequency Driver

The Eminence Delta-15LFA 15" speaker's performance is optimized for high power bass in sound reinforcement systems, bass guitar combos, club music systems, and stage monitors. Eminence LF models are specifically designed with extended Xmax to deliver more bass than standard models and provide "a true woofer" for three-way applications. Made in the USA. 7-year manufacturer's warranty!

Product Details

BrandEminence Speaker
ModelDelta-15LFA
Part Number290-417
UPC876358000272
Unit of MeasureEach
Weight14.9

Product Specifications

Nominal Diameter15"
Power Handling (RMS)500 Watts
Power Handling (MAX)1000 Watts
Impedance8Ω
Frequency Response42 to 3,200Hz
Sensitivity96dB 2.83V/1m
Voice Coil Diameter2.5"

Thiele-Small Parameters

Resonant Frequency (Fs)39Hz
DC Resistance (Re)6.11Ω
Voice Coil Inductance (Le)1.37mH
Mechanical Q (Qms)6.3
Electromagnetic Q (Qes)0.52
Total Q (Qts)0.48
Compliance Equivalent Volume (Vas)8.51ft³
Mechanical Compliance of Suspension (Cms)0.23mm/N
BL Product (BL)14.6T·m
Diaphragm Mass Inc. Airload (Mms)75g
Maximum Linear Excursion (Xmax)4.8mm
Surface Area of Cone (Sd)873cm²

Materials of Construction

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

Mounting Information

Overall Outside Diameter15.15"
Baffle Cutout Diameter13.87"
Depth6.3"
# Mounting Holes8

Parts Express Staff Recommended Enclosure Volume

Sealed Volume3ft³
Sealed F375Hz
Vented Volume5ft³
Vented F349Hz

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