JL Audio 15W0 V3-4

The 15thW0 V3-4 is a 15" (38cm) subwoofer from JL Audio. This outstanding subwoofer impresses with its impressive power of up to 500W at 4 Ohms. With its considerable size, the 15W0 V3-4 has excellent linear properties and excursion, making it unrivalled in its price range. The unique 2.5-inch diameter voice coil and JL Audio's patented Elevated Frame Cooling Design for improved power handling and reliability are particularly noteworthy. The optimal use of the 15W0 V3-4 is designed for amplifier power ratings in the range of 150W - 500W, ideally operating in a cabinet volume of 53.1 l (1,875 cu. ft.) to 77.88 l (2.75 cu. ft.).

• Sometimes bigger is better... For these situations, the 15W0 v3 offers excellent excursion characteristics, linearity and a range of features that put it at the top of its price class.
• It features a very powerful 2.5 inch diameter voice coil and JL's patented Elevated Frame Cooling Design for improved power handling and reliability.
  
• The 15thW0 v3 is best suited for amplifier power ratings in the 150W - 500W range and is optimized for operation in a medium-sized 53.1 l (1,875 cu. ft.) sealed enclosure or a 77.88 l (2.75 cu. ft.) bass reflex enclosure. 

• Continuous power handling (RMS): 500 W
  
• Recommended amplifier power (RMS): 150 - 500 W
  
• Nominal impedance (Znom): 4 Ω

• Nominal diameter: 380 mm / 15.0 inches
  
• Total diameter (A): 394 mm / 15.5 inches
  
• Installation diameter (B): 349 mm / 13.75 inches
  
• Bolt circle diameter (C): 370 mm / 14.56 inches
  
• Motor outer diameter (D): 160 mm / 6.3 inches
  
• Installation depth (E) : 182 mm (7.15 inches)
  
• Volume displacement: 0.109 cu ft / 3.09 L
  
• Net weight: 15.8 lb / 7.2 kg

• Free Air Resonance Frequency (Fs): 24.43 Hz
  
• Electrical "Q" (Qes) : 0.508
  
• Mechanical "Q" (Qms) : 9.474
  
• Total quality "Q" (Qts) : 0.482
  
• Equivalent Volume (Vas): 5,106 cu ft / 144.60 L
  
• One-way linear displacement (Xmax): 0.50 inches / 12.7 mm
  
• Efficiency: 0.18%
  
• Efficiency (1 W / 1 m): 88.20 dB SPL
  
• Membrane area (Sd) : 0.0789 square meters
  
• DC resistance (Re): 3.555 Ω

• Wall thickness: 19 mm / 0.75 inches
  
• Front baffle thickness: 19 mm / 0.75 inches
  
• Volume (Net Int.): 1,875 cu ft / 53.10 L
  
• Outer width (W) : 406 mm / 16 inches
  
• External height (H): 400 mm / 15.75 inches
  
• External depth (D) : 457 mm (18 inches)
  
• F3 : 38 Hz
  
• Fc : 47.14 Hz
  
• Qtc: 0.9301

• Wall thickness: 19 mm / 0.75 inches
  
• Front baffle thickness: 19 mm / 0.75 inches
  
• Volume (Net Int.): 2.75 cu ft / 77.88 L
  
• Outer width (W): 508 mm (20 inches)
  
• External height (H) : 457 mm (18 inches)
  
• External depth (D) : 470 mm (18.5 inches)
  
• Internal port diameter (ID): 4 inches / 102 mm
  
• Connection Length : (L)16.85 in / 428 mm
  
• Tuning frequency (Fb): 25 Hz
  
• F3 : 30 Hz