Eminence DELTA 15B 15" Speaker 400 Watts

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*	16 Ω
Power Rating*
Program Power	800 W
Watts	400 W
Resonance	45 Hz
Usable Frequency Range	64 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)	45 Hz
DC Resistance (Re)	11.3 Ω
Coil Inductance (Le)	1.35m H
Mechanical Q (Qms)	6.54
Electromagnetic Q (Qes)	0.67
Total Q (Qts)	0.61
Compliance Equivalent Volume (Vas)	204 liters / 7.2 cu.ft.
Peak Diaphragm Displacement Volume (Vd)	137 cc
Mechanical Compliance of Suspension (Cms)	0.19 mm/N
BL Product (BL)	17.6 T-M
Diaphragm Mass Inc. Airload (MMs)	64 grams
Efficiency Bandwidth Product (EBP)	68
Maximum Linear Excursion (Xmax)	1.6 mm
Surface Area of Cone (Sd)	856.3 cm2
Maximum Mechanical Limit (Xlim)	11.1 mm
MOUNTING INFORMATION
Recommended Enclosure Volume
Sealed	31-42.5 liters / 1.09-1.5 cu.ft.
Vented	81.8-87.8 liters / 2.89-3.1 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	14.3 lbs, 6.49 kgs
MATERIALS OF CONSTRUCTION
Coil Construction	Copper 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

Eminence DELTA 15B 15" Speaker 400 Watts

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