KAPPA 15C 15" American Standard Series Speaker

Recommended for professional audio in a vented mid-bass or bass enclosure. Also suitable for bass guitar and monitors.

Applications

Woofer | Midbass | Pro Audio | Pro Audio

Box Type: Vented | Horn Loading

Specifications

Download Spec Sheet Download Cab Design

SPECIFICATION
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	0.375", 9.5 mm
Voice Coil Diameter	3", 76 mm
THIELE & SMALL PARAMETERS
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
MOUNTING INFORMATION
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
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	Sol

Frequency Response