Eminence DELTA-12LFC 12" Midbass Speaker, PA/ Bass Guitar Woofer 1000W 4-Ohms

Eminence DELTA-12LFC 12" Pro Audio Mid-Bass Speaker 1000 Watts 4 Ohm

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