15 in. Woofer

15" loudspeaker of 8 Ohms for reproduction of bass ranges in 2- and 3-way systems. Medium and small P.A.s.

Recommended Application

• Sound Reinforcement Enclosures
• Side Fills
• Sound Systems For Movie Theaters & Auditoriums
• Electric Bass & Electric Guitar

Specifications:

Nominal Diameter.................380(15) mm(in)
Nominal Impedance......................8 Ohms
Power
   Musical Program**.................400 Watts
   Continuous Power (RMS)............200 Watts
Nominal Resonance.....................40 Hz
Sensitivity (1W/1m)..................101 dB SPL
Frequency Response.............40 - 4000 Hz
Flux Density................ 11500(1.15) Gauss(Tesla)
Voice Coil Inductance...............0.70 mH
Voice Coil Diameter.............60(2.36) mm(in)
Displacement in Enclosure.....4.0(0.141) l(cu ft)
Magnet Weight...................1610(56) g(oz)
Magnetic Set Weight...........4320(9.50) g(lb)
Net Weight of Woofer..........5340(11.8) g(lb)
 
Thiele-Small Parameters
Fs    Free Air Resonance.............39.36 Hz
Re    DC Coil Resistance..............5.77 Ohms
Qms   Mechanical Q Factor............12.42
Qes   Electrical Q Factor.............0.54
Qts   Total Q Factor..................0.52
Vas   Equiv. Vol. of Air......261.08(9.22) l(cu ft) 
no%   Reference Efficiency............2.85 %
Sd    Effective Piston Area...0.08605(133) m²(in²)
Vd    Sd x Xmax...............252.33(15.4) ccm(in³)
Xmax  Excursion.................3.00(0.12) mm(in)
BL    Force Factor...................13.18 N/A
 
** Specifications for use in musical and vocal program,
allowing a maximum amplifier distortion of 5%.
Due to technological progress, we may insert
modifications without previous announcement.

Dimensions (mm):

Curves:

Response Curve of the loudspeaker installed in a 100-liter (3.53 ft³) enclosure (VB15PW-1A), drawn in an Anechoic Chamber. Impedance Curve of the loudspeaker in open air.

Project: