4x Eminence Delta Pro-15A 15" Full-Range Woofer 8ohm 800W Replacement PA Speaker

Specification

Nominal Basket Diameter

• 15", 381 mm

Nominal Impedance*

• 8 Ω

Power Rating

Program Power

• 800 W

Watts

• 400 W

Resonance

• 42 Hz

Usable Frequency Range

• 54 Hz - 4.2 kHz

Sensitivity*

• 101.6 dB

Magnet Weight

• 80 oz.

Gap Height

• 0.37", 9.5 mm

Voice Coil Diameter

• 2.5", 64 mm

Thiele & Small Parameters

Resonant Frequency (fs)

• 42 Hz

DC Resistance (Re)

• 5.71 Ω

Coil Inductance (Le)

• 0.83m H

Mechanical Q (Qms)

• 4.73

Electromagnetic Q (Qes)

• 0.44

Total Q (Qts)

• 0.4

Compliance Equivalent Volume (Vas)

• 243.5 liters / 8.6 cu.ft.

Peak Diaphragm Displacement Volume (Vd)

• 368 cc

Mechanical Compliance of Suspension (Cms)

• 0.24 mm/N

BL Product (BL)

• 14.5 T-M

Diaphragm Mass Inc. Airload (MMs)

• 61 grams

Efficiency Bandwidth Product (EBP)

• 95

Maximum Linear Excursion (Xmax)

• 4.3 mm

Surface Area of Cone (Sd)

• 856.3 cm2

Maximum Mechanical Limit (Xlim)

• 13.7 mm

Mounting Information

Recommended Enclosure Volume

Sealed

• 28-42.5 liters / 1-1.5 cu.ft.

Vented

• 57-133 liters / 2-4.7 cu.ft.

Driver Volume Displaced

• 0.138 cu.ft. / 3.92 liters

Overall Diameter

• 15.32", 389.1 mm

Baffle Hole Diameter

• 14", 355.6 mm

Front Sealing Gasket

• Yes

Rear Sealing Gasket

• Yes

Mounting Holes Diameter

• 0.28", 7.1mm

Mounting Holes B.C.D.

• 14.56", 369.8mm

Depth

• 6.06", 153.9 mm

Net Weight

• 17 lbs, 7.71 kg

Shipping Weight

• 19.1 lbs, 8.66 kgs

Materials of Construction

Coil Construction

• Aluminum voice coil

Coil Former

• Polyimide former

Magnet Composition

• Ferrite magnet

Core Details

• Vented and extended core

Basket Materials

• Die-cast aluminum basket

Cone Composition

• Paper cone

Cone Edge Composition

• Cloth cone edge

Dust Cap Composition

• Solid composition paper dust cap