S15K4

S15K4 Professional Loudspeaker With a Neodymium magnet this professional PA speaker is much lighter then any other 15" speaker on the market - ROHS compliant.

S15K4
Professional Loudspeaker

With a Neodymium magnet this professional PA speaker is much lighter then any other 15" speaker on the market - ROHS compliant.

>>Download a .pdf of spec sheet

General Characteristics
Nominal Overall Diameter	388 mm	15 in
Nominal Voice Coil Diameter	100 mm	4.00 in
Magnet Weight	715 g	25 oz
Overall Weight	11.10 lbs
Flux Density	1.29 T
Thiele-Small Parameters
Voice Coil DC Resistance	R_E	5.13 ohms
Resonance Frequency	ƒ_S	47.8 Hz
Mechanical Q Factor	Q_MS	10.74
Electrical Q Factor	Q_ES	0.30
Total Q Factor	Q_TS	0.29
Mechanical Moving Mass	M_MS	116.9 g
Mechanical Compliance	C_MS	90 µm/N
Force Factor	BxL	24.42 Wb/m
Equivalent Acoustic Volume	V_AS	98.3 lt.
Maximum Linear Displacement	X_MAX	+/- 6.0 mm
Reference Efficiency	n_O	3.41 %
Diaphragm Area	S_D	855.3 cm²
Losses Electrical Resistance	R_ES	182.4 ohms
Voice Coil Inductance @ 1kHz	L_E	0.64 mH
Constructive Characteristics
Magnet	Neodymium
Voice Coil Winding	Copper
Voice Coil Former	Kapton
Cone	Paper
Surround	Treated Cloth
Dust Dome	Solid Paper
Basket	Aluminum Die-Cast

Electrical Characteristics
Nominal Impedance	8 ohm
Rated Power	700 W
Musical Power	1400 W
Sensitivity@1W, 1m	99.5 dB