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Operation T12
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Dual 12" Three-Way Tri-Amp Line Array Speaker


The OPERATION T12 is a double 12" three-way tri-amp line array speaker designed to cover extremely demanding sound reinforcement applications in fixed installations and especially in tour / rental environments.

Featuring premium drivers designed and manufactured in Italy and extremely high quality cabinets made from the finest Baltic birch plywood the T12 is unquestionably our best three-way line array speaker.
Designed and built by LAX Pro at our state-of-the-art facility in China and using the very latest measurement and testing equipment in our R&D centre all our speakers are designed and rigorously tested for sonic quality safety of rigging systems and exposure to dust and moisture. We stand by the quality of our products and build them to go the distance.
The T12 is also designed to ensure an excellent return on investment especially for rental companies.


  • Two high quality titanium compression drivers with a 1.4" horn throat and a 75 mm (3") aluminium voice coil designed and manufactured in Italy by B&C.
  • The HF drivers provide a much smoother and more transparent high frequency response whilst minimising distortion especially at high sound pressure levels.
  • The mid range is handled by 4 x 6.5" very high output neodymium drivers designed and manufactured by Eighteen Sound in Italy. Featuring an edge-wound 45 mm (1.77") aluminium voice coil they are the platinum standard for high-quality reproduction of the mid-range.
  • The low frequency is handled by 2 x 12" high output woofers with a 75 mm voice coil ensuring excellent sensitivity and dispersion.
  • A specially-designed mid-range phase plug provides tight coherence and coupling across the frequency range.
  • Carefully positioned high and mid-range drivers provide excellent phase coherency and directivity.
  • The T12 is designed to operate at very high SPLs and is fully optimised to work more efficiently at lower power levels.
  • Precision-made 15-ply 24 mm and 11-ply 18 mm Baltic birch plywood cabinet with a durable paint finish for touring and rental use.
  • The integrated rigging system has a 7:1 safety coefficient.
  • Designed for fixed-installation touring outdoor concerts stadiums and for all demanding sound reinforcement applications.
  • Recommended for use with Operation T18B-V2 and WS118B Subwoofers.


Frequency Response 60Hz - 18Hz (+- 3dB) / 50Hz - 20Hz (- 10dB)
Dispersion (H) 90°
Sensitivity (1W / 1m)
HF: 110dB  MF: 105dB  LF: 100dB

HF: 133dB (Continuous) / 139dB (Peak)

MF: 132dB (Continuous) / 138dB (Peak)

LF: 129dB (Continuous) / 135dB (Peak)

Power Rating (AES)
HF: 2 x 110W  MF: 4 x 120W  LF: 2 x 400W
Nominated Impedance HF: 16ohm  MF: 8ohm  LF: 8ohm

HF: 2 x 1.4" Neodymium / 75mm Voice Coil

MF: 4 x 6.5" Neodymium / 45mm Voice Coil

LF: 2 x 12" Ferrite / 75mm Coice Coil

Enclosure Phase Inverted
OP T12 Flying Kit
Connectors NEUTRIK NL8MP x 2  HF: 1+1-  MF: 2+2-  LF: 3+3-
Dimensions (W x D x H) 1024 x 503 x 367 mm
Net Weight 68 kg





Flying Kit OPERATION T12 FK Flying Kit for OPERATION T12 (maximum 16 boxes)
Flight Case OPERATION T12 FLG Flight  Case for OPERATION T12 (1 in 1)
Flight Case OPERATION T18B - V2 FLG Flight Case for OPERATION T18B / T18B - V2 (1 in1)
Flight Case OPERATION T12 - FK FLG Flight Case for OPERATION T12 Flying Kits (2 in 1)
Flight Case CB - LA FLG Flight Case for Line Array System Cables (1200 x 600 x 600 mm)
Cable CB3008NL8

30 Metre 8 core (8 x 2.5 mm) Speaker cable

with 8 pole ENUTRIK connectors (NL8FX) for OPERATION T12

Cable CB0108NL8

1 Metre 8 core (8 x 2.5 mm) Speaker cable

with 8 pole NEUTRIK connectors (NL8FX) for OPERATION T12

Cable CB2002NL4

20 Metre 2 core (2 x 4 mm) Speaker calbe

with 4 pole NEUTRIK connectors (Nl4FX) for OPERATION T18B / T18B - V2

Power Cable CB500506AC 50 Meter 5 x 6 mm Power Cable
Rack RK 12U 12U Heavy Duty Rack
Rack RK 16U 16U Heavy Duty Rack
Rack RK 20U 20U Heavy Duty Rack
Rain Cover OPERATION T12 RC Rain Cover
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