Professional Low Frequency Transducer – BLAST12 PRO

Professional Low Frequency Transducer – BLAST12 PRO

The BlastKing Blast Pro series features our top of the line precision transducers. Starting from our Blast8 Pro all the way up to our Blast18 Pro, our high power transducers are all made in a die-cast aluminum basket, with a paper cone, and mounted on a ferrite magnet with a 4”copper voice coil. The high power rating, great frequency response, and low distortion make the Blast Pro series the perfect choice for both live and recorded music applications.

SKU: BLAST12 PRO Category: Tag:


The Blast12 Pro is a ferrite magnet low frequency transducer capable of producing low frequencies with absolute definition in professional sound reinforcement applications that require a clear mid bass sound.Features like its 3” voice coil and a forced air ventilation system that dissipates heat significantly increase power handling and long term reliability. The Blast12 Pro is rated at 400 watts program with a frequency response between 50 Hz – 2.8 kHz making it an ideal choice for compact size enclosures.


The Blast12 Pro can be used for both live and recorded music applications. Capable of producing a high output mid bass frequencies yet maintaining clarity and definition, the Blast12 Pro is the premier choice for compact mid bass frequency applications.


  • 3” Voice Coil
  • 400 Watts program power
  • 97 dB sensitivity
  • 50 Hz – 2.8 kHz frequency response
  • Forced air ventilation


General Specifications
Nominal Basket Diameter320/12 mm/inch
Rated Impedance8 ohm
Program Power400 Watts
Power Handling Capacity 1200 Watts
Sensitivity97 dB
Frequency Range50-2.8k hz
Effective Piston Diameter 249/9.8 mm/inch
Minimum Impedance6 ohm
Voice Coil Diameter75.5/3 mm/inch
Voice Coil MaterialCopper
Thiele - Small Parameters
Resonance Frequency (Fs )45 Hz
DC Resistence (Re)5.2 ohm
Mechanical Factor (Qms)5.46
Electrical Factor (Qes)0.185
Total Factor (Qts)0.179
BL Factor (BL)24.1 T m
Effective Moving Mass (Mms)81 gr
Equivalent Cas Air Load (Vas)70 liters
Maximum Linear Excursion (Xmax)3.5 mm
Voice Coil Inductance (La1k)1.7 mH
Mounting Information
Overall Diameter320/12 mm/inch
Bolt Circle Diameter 301/11.8 mm/inch
Bolt Hole Diameter7/0.275 mm/inch
Baffle Hole Diameter 320/12.6 mm/inch
Depth147/5.78 mm/inch
Shipping Information
Net Weight9/19.8 Kg/Lbs
Shipping Weight10/22 Kg/Lbs


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