Peavey 1508-4 SPS BWX 15 Inch 4 Ohm Speaker.

MPN: 00560140
UPC: 014367124798

• 15" Speaker
  
• Impedance: 4 Ohms
  
• Power capacity: 2000 W Peak 1000 W Program 500 W Continuous
  
• Sensitivity: 97.5 dB / 1 W 1 m
  
• Usable freq. range: 40 Hz ~ 2 kHz
  
• Cone: Kevlar® impregnated cellulose
  
• Voice coil diameter: 4.0" / 100 mm
  
• Voice coil material: Aluminum ribbon wire Polyimide-impregnated fiberglass former Nomex® stiffener Solderless diffusion welded OFHC copper leads
  
• Net weight lb. / kg: 17 lbs. / 7.7 kg
  
• Znom (ohms) 4
  
• Revc (ohms) 3.30
  
• Sd (Square Meters) 0.084
  
• BL (T/M) 12.72
  
• Fo (Hz) 45.9
  
• Vas (liters) 163.6
  
• Cms (uM/N) 163.3
  
• Mms (gm) 73.5
  
• Qms 11.197
  
• Qes 0.433
  
• Qts 0.417
  
• Xmax (mm) 2.3
  
• Le (mH) 2.11
  
• SPL (1W 1m) 97.5
  
• No (%) 3.60%
  
• Vd (cu. in. / ml) 23.6 / 386
  
• Pmax (Watts pgm.) 1000
  
• Disp (cu. in. / ml) 197 / 3229