Speaker - Eminence® American, 15", Delta 15B, 400 watts

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Speaker - Eminence® American, 15", Delta 15B, 400 watts

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American Standard Series 15" speaker, 16 ohm. 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.

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 0.37", 9.5 mm
Voice Coil Diameter 2.5", 64 mm
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
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
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
RoHS Compliant
Item ID:
American Standard
Product Measurements
Baffle Hole Diameter13.87", 352.3 mm
Basket MaterialsPressed steel basket
Bl Product (bl)17.6 T-M
Coil ConstructionCopper voice coil
Coil FormerPolyimide former
Coil Inductance (le)1.35m H
Compliance Equivalent Volume (vas)204 liters / 7.2 cu.ft.
Cone CompositionPaper cone
Cone Edge CompositionCloth cone edge
Core DetailsVented core
Dc Resistance (re)11.3 Ω
Depth6.05", 153.7 mm
Diameter15 in.
Diaphragm Mass Inc. Airload (mms)64 grams
Driver Volume Displaced0.128 cu.ft. / 3.62 liters
Dust Cap CompositionSolid composition paper dust cap
Efficiency Bandwidth Product (ebp)68
Electromagnetic Q (qes)0.67
Front Sealing GasketYes
Gap Height0.37", 9.5 mm
Magnet CompositionFerrite magnet
Magnet Weight56 oz.
Maximum Linear Excursion (xmax)1.6 mm
Maximum Mechanical Limit (xlim)11.1 mm
Mechanical Compliance Of Suspension (cms)0.19 mm/N
Mechanical Q (qms)6.54
Mounting Holes B.c.d.14.56", 369.8mm
Mounting Holes Diameter0.25", 6.4mm
Net Weight12.3 lbs, 5.58 kg
Nominal Basket Diameter15", 381 mm
Nominal Impedance*16 Ω
Overall Diameter15.15", 384.8 mm
Peak Diaphragm Displacement Volume (vd)137 cc
Program Power800 W
Rear Sealing GasketYes
Resonance45 Hz
Resonant Frequency (fs)45 Hz
Sealed31-42.5 liters / 1.09-1.5 cu.ft.
Sensitivity*100 dB
Surface Area Of Cone (sd)856.3 cm2
Total Q (qts)0.61
Usable Frequency Range64 Hz - 4 kHz
Vented81.8-87.8 liters / 2.89-3.1 cu.ft.
Voice Coil Diameter2.5", 64 mm
Watts400 W
Packaging Information
Packaging Dimensions17.875 in. × 16.625 in. × 6.375 in.
Weight (Packaging)14.3 lbs.

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