Item #: EMI DFNMX4012ULF LIST

Eminence Definimax 4012ULF8 12 Inch Replacement Speaker 1200 Watts

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Product Description

A high-power, ultra-low frequency enhanced version of the popular Definimax 4012LF. Eminence designed it to be perfect for horn loading, or in small to medium-sized vented subwoofers for lots of clean punch and deep lows.

Product Specifications
Eminence Definimax 4012ULF-8 - 12" Replacement Speaker Specifications
  • Nominal Basket Diameter: 12 inches (305 mm)
  • Nominal Impedance: 8 ohms
  • Power Rating Watts: 1200 W
  • Power Rating Music Program: 2400 W
  • Resonance: 40 Hz
  • Usable Frequency Range: 37 Hz - 0.2 kHz
  • Sensitivity: 90.7 dB
  • Magnet Weight: 109 oz.
  • Gap Height: 0.375 inch (9.5 mm)
  • Voice Coil Diameter: 4 inch (102 mm)
  • Resonant Frequency (fs): 38 Hz
  • DC Resistance (Re): 6.2 ohms
  • Coil Inductance (Le): 4.42m H
  • Mechanical Q (Qms): 12.13
  • Electromagnetic Q (Qes): 0.32
  • Total Q (Qts): 0.31
  • Compliance Equivalent Volume (Vas): 41.3 liters (1.46 cubic ft.)
  • Peak Diaphragm Displacement Volume (Vd): 365.4 cc
  • Mechanical Compliance of Suspension (Cms): 0.1 mm/N
  • BL Product (BL): 27.38 T-M
  • Diaphragm Mass Inc. Airload (MMs): 153 grams
  • Efficiency Bandwidth Product (EBP): 126
  • Maximum Linear Excursion (Xmax): 6.7 mm
  • Surface Area of Cone (Sd): 545.4 cm2
  • Maximum Mechanical Limit: (Xlim) 15.5 mm
  • Coil Construction: Copper voice coil
  • Coil Former: Kapton former
  • Magnet Composition: Ferrite magnet
  • Core Details: Undercut with aluminum shorting ring and Core Periphery Ventilation
  • Basket Materials: Die-cast aluminum basket
  • Cone Composition: Water resistant paper cone
  • Cone Edge Composition: Cloth cone edge
  • Dust Cap Composition: Water resistant treated paper dust cap
Helpful Info about the Manufacturer
Phone:  502-845-5622 Warranty:  Warranty: 7 years
DJ Marvell Submitted: 8/26/2018
Product Rating
verified
Subject
As good as I expected it handled my 1000 watt rms amp with ease.
Product Rating
What is your opinion of this product?
I don't know what people expect from a 12" sub but it is a supreme item. I play it at 94% max only it is a good setting for my 1000 watt amp, it has a great sound and lots of punch for a speaker this size. I Have two of them and I am not disappointed in their performance. Excellent!
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