Eminence DELTA-15LF-4 15" Midbass Speaker 1200W Pro Audio Subwoofer 4-Ohms

Specification

Nominal Basket Diameter

• 15", 381 mm

Nominal Impedance*

• 4 Ω

Power Rating

Program Power

• 1200 W

Watts

• 600 W

Resonance

• 40 Hz

Usable Frequency Range

• 40 Hz - 2.2 kHz

Sensitivity*

• 95 dB

Magnet Weight

• 56 oz.

Gap Height

• 0.37", 9.5 mm

Voice Coil Diameter

• 2.5", 64 mm

Thiele & Small Parameters

Resonant Frequency (fs)

• 40 Hz

DC Resistance (Re)

• 3.37 Ω

Coil Inductance (Le)

• 0.76m H

Mechanical Q (Qms)

• 6.22

Electromagnetic Q (Qes)

• 0.53

Total Q (Qts)

• 0.49

Compliance Equivalent Volume (Vas)

• 253.93 liters / 8.97 cu.ft.

Peak Diaphragm Displacement Volume (Vd)

• 521.2 cc

Mechanical Compliance of Suspension (Cms)

• 0.24 mm/N

BL Product (BL)

• 10.32 T-M

Diaphragm Mass Inc. Airload (MMs)

• 66 grams

Efficiency Bandwidth Product (EBP)

• 76

Maximum Linear Excursion (Xmax)

• 5.97 mm

Surface Area of Cone (Sd)

• 873 cm2

Maximum Mechanical Limit (Xlim)

• 16.5 mm

Mounting Information

Recommended Enclosure Volume

Sealed

• 52.95-97.69 liters / 1.87-3.45 cu.ft.

Vented

• 75.04-154.33 liters / 2.65-5.45 cu.ft.

Driver Volume Displaced

• 0.128 cu.ft. / 3.62 liters

Overall Diameter

• 15.15", 384.8 mm

Baffle Hole Diameter

• 13.87", 352.3 mm

Front Sealing Gasket

• Yes

Rear Sealing Gasket

• Yes

Mounting Holes Diameter

• 0.25", 6.4mm

Mounting Holes B.C.D.

• 14.56", 369.8mm

Depth

• 6.3", 160 mm

Net Weight

• 12.8 lbs, 5.81 kg

Shipping Weight

• 14.8 lbs, 6.71 kgs

Materials of Construction

Coil Construction

• Copper voice coil

Coil Former

• Polyimide former

Magnet Composition

• Ferrite magnet

Core Details

• Vented and extended core

Basket Materials

• Pressed steel basket

Cone Composition

• Paper cone

Cone Edge Composition

• Cloth cone edge

Dust Cap Composition

• Solid composition paper dust cap