Lowell 12P150
12" 150W 8 Ohm 12' Coaxial Speaker Assembly

OUR PART #  12P150

The Lowell 12P150 is the largest of the P-Series high output, high quality "pro-mercial" speakers. This 150W 12" assembly features a robust motor structure with a 38 oz. magnet and a 2" voice coil wound on a Kapton former.  The compression driver tweeter is coaxially mounted behind the woofer and provides increased power handling with greater efficiency than a conventional dome tweeter.  A built-in crossover network with a third-order high-pass and 2nd-order low pass filter accomplishes proper frequency division between the two drivers.  Frequency response extends down to 40Hz, and sensitivity is a highly efficient 96dB at 1watt, 1 meter.

Lowell 12P150 Specifications:


  • Power Handling: 150 W RMS
  • Sensitivity: 101dB SPL (peak), 96 dB SPL (average) measured 2.83V @1m
  • Frequency Response: 40Hz – 20kHz (nominal); 30 Hz – 20kHz (+/- 5 dB)
  • Crossover Frequency: 2500Hz, 3rd order hi-pass filter, 2nd order low-pass filter
  • Dispersion Angle: 70 degrees @ 2000Hz octave (-6dB)


  • Cone Material: Treated paper with cloth surround
  • Magnet Weight, material: 38 oz. Strontium ferrite ceramic
  • Voice Coil Diameter, material: 2" copper wire over Kapton former
  • Terminals: Quick disconnect type – spade lugs


  • Type: Compression driver
  • Magnet weight, material: 7.7 oz., strontium ferrite ceramic
  • Voice coil diameter, material: 1" copper wire
  • Ferrofluid: yes
  • Diaphragm material: Phenolic


  • Basket: 18 gauge stamped steel with black electrocoat
  • Outside Diameter: 12.02"
  • Mounting Bolt Circle: 11.6" with 8 holes equally spaced at 45 degrees
  • Cutout Diameter: 11"
  • Mounting Depth: 7.13"
  • Net Weight: 9.75 lbs.

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