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LD Systems MON 12 A G3 12" Powered Coaxial Stage Monitor

SKU #: LDS-MON12AG3(US)
$669.99

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Expected June 30, 2025

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The MON 12 A G3 is part of an entirely newly developed family of powered stage monitors for high performance. The MON G3 Series incorporates the advanced technology and premium materials found in high-end monitors typically rented by professionals, making this quality available to everyone. These include, for example, advanced coaxial loudspeakers with integrated 50° x 90° CD horn, which ensure the acoustic ideal of a true point source and thus outstanding audio characteristics even at short listening distances. Besides this, the series offers a high-level of robustness, a comprehensive set of features and the elegant LD Systems design.

For decades, 12"/1" stage monitors have been the golden mean when it comes to sonority, sound pressure and portability. With coaxial design, smart electronics and a professional look, the MON 12 A G3 brings this concept into the "modern age". The ideal dispersion geometry of 50° x 90° for monitor use or 90° x 50° for FOH use make it a multi-talent that offers the right solution for a wealth of different tasks. Both the signal (XLR/jack combo) and the power connection (PowerCON compatible) can be looped through. This allows for elegant, tidy cabling in multi-monitor set-ups or for distributed sound reinforcement.

LD Systems MON 12 A G3 12" Coaxial Stage Monitor Features:

  • Compact high-performance stage monitor with top-of-the-range technologies
  • Class-D power amplifier with 300 W RMS/1200 W peak and 127 dB max. SPL
  • Coaxial design for true point source with a 1.75" titanium-diaphragm HF driver.
  • 12" woofer with 2.5" voice coil
  • Optimised, practical radiation pattern due to 50° x 90° CD horn
  • DynX DSP (Gen.2) for distortion-free sound even at maximum volume
  • 3-band EQ, Notch filter, 4 application presets and delay function
  • PowerCON compatible loop-through professional power connection
  • 35 mm speaker stand flange for FOH applications
  • Durable Polyurea coating and heavy-duty front grille

LD Systems MON 12 A G3 Product Specifications:
Product type Stage monitor
Type Powered
Woofer size 12"
Woofer type Coaxial loudspeaker
Woofer magnet Ferrite
Woofer brand Custom-made
Woofer voice coil 2.5"
Woofer voice coil (mm) 65mm
HF driver size 1"
HF driver magnet Ferrite
HF driver brand Custom-made
HF driver voice coil 1.75"
Horn CD Horn
Amplifier Class D
Dispersion (H x V) 50° x 90°
System output (RMS) 300 W
System output (Peak) 1200W
Frequency response [-3dB] 68Hz - 18kHz
Frequency response [-10dB] 55Hz - 20kHz
Crossover frequency 1400Hz
Max. SPL Avarage (Sine burst) 120 dB (100 Hz - 12 kHz, fullspace @1m, 10% THD)
Max. SPL Peak (Sine burst) 127 dB (fullspace @1m, 10% THD)
Protection circuits Multiband limiter, over voltage, over-current, thermal overload
Controls On/off switch, Rotary/push encoder
Indicators LC display
Line inputs 2
Line input connectors 6.3 mm jack / XLR - Combo
Line thru 2
Line thru connectors XLR
Operating voltage SMPS, AC 100-240V/ 50-60Hz
Cabinet material 15 mm Birch Plywood / 15 mm MDF
Cabinet construction Bass Reflex
Monitor angle 33°
Width 425 mm
Depth 453 mm
Height 315 mm
Weight 17,4 kg
Power consumption 150 W
Ambient temperature (in operation) 0 - 40 °C
Relative Humidity < 80 %, not condensing
Fuse T4AL 250V
Power In PowerCON compatible
Power Out PowerCON compatible
Features Notch Filter, 3 Band EQ, Delay Line

Each MON 12 A G3 Retail Box Includes:

(1) LD Systems MON 12 A G3 12" Powered Coaxial Stage Monitor

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