Speaker - Eminence® American, 15", Kappa 15C, 450W, 4Ω

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Speaker - Eminence® American, 15", Kappa 15C, 450W, 4Ω

Note: special order items require additional lead time. See our page on special order items.

Special Order Item

American Standard Series 15" speaker. Recommended for professional audio in a vented mid-bass or bass enclosure. Also suitable for bass guitar and monitors.

Nominal Basket Diameter 15", 381 mm
Nominal Impedance* 4 Ω
Power Rating*
Program Power 900 W
Watts 450 W
Resonance 31 Hz
Usable Frequency Range 63 Hz - 2.8 kHz
Sensitivity* 98.1 dB
Magnet Weight 80 oz.
Gap Height 0.37", 9.5 mm
Voice Coil Diameter 3", 76 mm
Resonant Frequency (fs) 31 Hz
DC Resistance (Re) 3.68 Ω
Coil Inductance (Le) 0.88m H
Mechanical Q (Qms) 10.14
Electromagnetic Q (Qes) 0.25
Total Q (Qts) 0.25
Compliance Equivalent Volume (Vas) 329.9 liters / 11.65 cu.ft.
Peak Diaphragm Displacement Volume (Vd) 206 cc
Mechanical Compliance of Suspension (Cms) 0.35 mm/N
BL Product (BL) 14.7 T-M
Diaphragm Mass Inc. Airload (MMs) 77 grams
Efficiency Bandwidth Product (EBP) 124
Maximum Linear Excursion (Xmax) 2.4 mm
Surface Area of Cone (Sd) 856.3 cm2
Maximum Mechanical Limit (Xlim) 11.6 mm
Recommended Enclosure Volume
Sealed N/a
Vented 40-79 liters / 1.4-2.8 cu.ft.
Driver Volume Displaced 0.138 cu.ft. / 3.92 liters
Overall Diameter 15.16", 385.1 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 6.13", 155.7 mm
Net Weight 17.6 lbs, 7.98 kg
Shipping Weight 19.8 lbs, 8.98 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)14.7 T-M
Coil ConstructionCopper voice coil
Coil FormerPolyimide former
Coil Inductance (le)0.88m H
Compliance Equivalent Volume (vas)329.9 liters / 11.65 cu.ft.
Cone CompositionPaper cone
Cone Edge CompositionCloth cone edge
Core DetailsVented core
Dc Resistance (re)3.68 Ω
Depth6.13", 155.7 mm
Diaphragm Mass Inc. Airload (mms)77 grams
Driver Volume Displaced0.138 cu.ft. / 3.92 liters
Dust Cap CompositionSolid composition paper dust cap
Efficiency Bandwidth Product (ebp)124
Electromagnetic Q (qes)0.25
Front Sealing GasketYes
Gap Height0.37", 9.5 mm
Magnet CompositionFerrite magnet
Magnet Weight80 oz.
Maximum Linear Excursion (xmax)2.4 mm
Maximum Mechanical Limit (xlim)11.6 mm
Mechanical Compliance Of Suspension (cms)0.35 mm/N
Mechanical Q (qms)10.14
Mounting Holes B.c.d.14.56", 369.8mm
Mounting Holes Diameter0.25", 6.4mm
Net Weight17.6 lbs, 7.98 kg
Nominal Basket Diameter15", 381 mm
Nominal Impedance*4 Ω
Overall Diameter15.16", 385.1 mm
Peak Diaphragm Displacement Volume (vd)206 cc
Program Power900 W
Rear Sealing GasketYes
Resonance31 Hz
Resonant Frequency (fs)31 Hz
Sensitivity*98.1 dB
Shipping Weight19.8 lbs, 8.98 kgs
Surface Area Of Cone (sd)856.3 cm2
Total Q (qts)0.25
Usable Frequency Range63 Hz - 2.8 kHz
Vented40-79 liters / 1.4-2.8 cu.ft.
Voice Coil Diameter3", 76 mm
Watts450 W
Packaging Information
Packaging Dimensions17.875 in. × 16.625 in. × 6.375 in.
Weight (Packaging)19.8 lbs.

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