Eminence Delta-15A (565-017)

Recommended for professional audio as a mid-bass or vocal wedge in a sealed enclosure. Also suitable as a mid-bass or woofer in vented enclosures.

SPECIFICATION

Nominal Basket Diameter  15", 381 mm

Nominal Impedance*  8 Ω

Power Rating*

Program Power  800 W

Watts  400 W

Resonance  40 Hz

Usable Frequency Range  48 Hz - 4 kHz

Sensitivity*  100 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)  40 Hz

DC Resistance (Re)  6.3 Ω

Coil Inductance (Le)  0.64m H

Mechanical Q (Qms)  8.05

Electromagnetic Q (Qes)  0.57

Total Q (Qts)  0.53

Compliance Equivalent Volume (Vas)  270.7 liters / 9.56 cu.ft.

Peak Diaphragm Displacement Volume (Vd)  233 cc

Mechanical Compliance of Suspension (Cms)  0.26 mm/N

BL Product (BL)  13.2 T-M

Diaphragm Mass Inc. Airload (MMs)  62 grams

Efficiency Bandwidth Product (EBP)  70

Maximum Linear Excursion (Xmax)  2.7 mm

Surface Area of Cone (Sd)  864.6 cm2

Maximum Mechanical Limit (Xlim)  11.1 mm

MOUNTING INFORMATION

Recommended Enclosure Volume

Sealed  37-42.5 liters / 1.3-1.5 cu.ft.

Vented  82-161.4 liters / 2.9-5.7 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  6.05", 153.7 mm

Net Weight  12.3 lbs, 5.58 kg

Shipping Weight  14.4 lbs, 6.53 kgs

MATERIALS OF CONSTRUCTION

Coil Construction  Aluminum voice coil

Coil Former  Polyimide former

Magnet Composition  Ferrite magnet

Core Details  Vented core

Basket Materials  Pressed steel basket

Cone Composition  Paper cone

Cone Edge Composition  Cloth cone edge

Dust Cap Composition  Solid composition paper dust cap