JBL 12MB2P:12" Woofer Speaker
JBL 12MB2P:12" Woofer Speaker

JBL 12MB2P:12" Woofer Speaker

Regular price$371.99
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The Selenium by JBL 12MB2P is a 12" woofer for midbass professional sound reinforcement. This woofer is capable of supporting 400 watts RMS and is ideal for compact enclosures (closed, vented or horns). High efficiency is achieved through the use of a large ceramic ferrite motor and low mass 100mm (4") diameter aluminum voice coil wound on a fibreglass former. The aluminum die cast frame provides the array with high mechanical resistance. This woofer includes an impregnated cloth surround, stable spider and a large central vent channel for reducing long-term heat build-up. The 12MB2P delivers outstanding midrange and exceptional long term performance.


  • Power Handling: 400 watts RMS/800 watts max
  • Voice Coil Diameter: 100mm
  • Voice Coil Inductance: 0.56mH 
  • Nominal Impedance: 8 ohms 
  • DC Resistance: 5.4 ohms 
  • Frequency Response: 100-5,000 Hz 
  • Magnet Weight: 2640g
  • Fs: 63 Hz 
  • SPL: 100 dB 2.83V/1m 
  • Vas: 45 I
  • Qms: 13.94 
  • Qes: 0.45
  • Qts: 0.44 
  • Xmax: 1.25 mm 
  • Net Weight: 8,640 g
  • Front Baffle Cutout Diameter: 281mm
  • Back Baffle Cutout Diameter: 275mm
  • Depth: 118mm
  • Magnet Diameter: 200mm
  • Magnet Height: 24mm

Package Contents:

  • 12MB2P Selenium Speaker
  • Owner's Manual

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