Eminence Delta-12LFC - 4 ohm 12" 500W Low Frequency Pro Audio Woofer

Overview of Eminence Delta-12LFC - 4 ohm 12" 500W Low Frequency Pro Audio Woofer

Low-frequency woofer for pro audio mid-bass or floor monitor applications in a sealed enclosure. Also suitable as a woofer in vented, bass guitar, or PA enclosures.

SPECIFICATION

Nominal Basket Diameter  12", 305 mm

Nominal Impedance*  4 Ω

Power Rating*

Program Power  1000 W

Watts  500 W

Resonance  52 Hz

Usable Frequency Range  45 Hz - 2.3 kHz

Sensitivity*  93.1 dB

Magnet Weight  56 oz.

Gap Height  0.375", 9.5 mm

Voice Coil Diameter  2.5", 64 mm

THIELE & SMALL PARAMETERS 

Resonant Frequency (fs)  52 Hz

DC Resistance (Re)  3.2 Ω

Coil Inductance (Le)  0.94m H

Mechanical Q (Qms)  8.21

Electromagnetic Q (Qes)  0.47

Total Q (Qts)  0.44

Compliance Equivalent Volume (Vas)  63.7 liters / 2.25 cu.ft.

Peak Diaphragm Displacement Volume (Vd)  243 cc

Mechanical Compliance of Suspension (Cms)  0.17 mm/N

BL Product (BL)  10.9 T-M

Diaphragm Mass Inc. Airload (MMs)  53 grams

Efficiency Bandwidth Product (EBP)  111

Maximum Linear Excursion (Xmax)  4.8 mm

Surface Area of Cone (Sd)  506.7 cm2

Maximum Mechanical Limit (Xlim)  13.5 mm

MOUNTING INFORMATION

Recommended Enclosure Volume

Sealed  21-74 liters / 0.7-2.6 cu.ft.

Vented  28-110 liters / 1-3.9 cu.ft.

Driver Volume Displaced  0.079 cu.ft. / 2.25 liters

Overall Diameter  12.03", 305.6 mm

Baffle Hole Diameter  11.07", 281.2 mm

Front Sealing Gasket  Yes

Rear Sealing Gasket  Yes

Mounting Holes Diameter  0.25", 6.4mm

Mounting Holes B.C.D.  11.59", 294.4mm

Depth  5.35", 135.9 mm

Net Weight  11.8 lbs, 5.35 kg

Shipping Weight  14 lbs, 6.35 kgs

MATERIALS OF CONSTRUCTION

Coil Construction  Copper voice coil

Coil Former  Kapton former

Magnet Composition  Ferrite magnet

Core Details  Vented and extended core

 Basket Materials  Pressed steel basket

Cone Composition  Treated paper cone

Cone Edge Composition  Cloth cone edge

Dust Cap Composition  Solid composition paper dust cap