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Meyer Sound LEO Linear Line Array Speaker
Meyer Sound LEO Linear Line Array Speaker

Meyer Sound LEO Linear Line Array Speaker

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SoundPro Item: 25573
MPN: LEO-M
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Meyer Sound LEO Linear Line Array Speaker Features

  • Optimized line arrays with controlled directivity for even coverage and consistent responses over long throws
  • High peak power output with exceptional linearity and transient reproduction at extreme levels
  • Self-powered design for simplified setup and increased reliability
  • Optimized rigging that allows splay angles to be set while stacks rest in caster frames
  • Seamless integration with LYON line array loudspeakers and the 1100-LFC and VLFC low frequency control elements
  • LEO Linear Line Array Speaker1
  • ACOUSTICAL[1]
    • Operating Frequency Range2 55 Hz – 16 kHz
    • Phase Response 375 Hz – 14 kHz ±30°
    • Maximum SPL3 155 dB
    • Linear Peak SPL4 149.5 dB with 20 dB crest factor (M-noise), 142.5 dB (Pink noise), 144 dB (B-noise)
  • COVERAGE
    • Horizontal Coverage 75°
    • Vertical Coverage Varies, depending on the array length and configuration
  • TRANSDUCERS
    • Low Frequency Two 15-inch long-excursion cone drivers; 4 Ω nominal impedance
    • High Frequency Two 4-inch diaphragm compression drivers coupled to a constant-directivity horn through a patented REM manifold; 12 Ω nominal impedance
  • AUDIO INPUT
    • Type Differential, electronically balanced
    • Maximum Common Mode Range ±15 V DC, clamped to earth for voltage transient protection
    • Connectors XLR 5-pin female input with male loop output
    • Input Impedance 10 kΩ differential between pins 2 and 3 Wiring
    • Pin 1: Chassis/earth through 1 kΩ, 1000 pF, 15 V clamped network to provide virtual ground lift at audio frequencies
    • Pin 2: Signal +
    • Pin 3: Signal Pin 4: RMS
    • Pin 5: RMS
    • Case: Earth ground and chassis
    • Nominal Input Sensitivity 0 dBV (1 V rms) continuous is typically the onset of limiting for noise and music
    • Input Level Audio source must be capable of producing of +20 dBV (10 V rms) into 600 Ω to produce the maximum peak SPL over the operating bandwidth of the loudspeaker
  • AMPLIFIERS
    • Type 3-channel complementary MOSFET output stages (class AB/H bridged)
    • Total Output Power5 9900 W Peak
    • THD, IM, TIM < 0.02%
    • Cooling Two ultra high-speed primary fans, two ultra high-speed reserve fans
  • AC POWER
    • Connector powerCON 32
    • Automatic Voltage Selection 208–235 V AC, 50–60 Hz
    • Safety Rated Voltage Range 208–235 V AC, 50–60 Hz
    • Turn-on and Turn-off Points Turn-on: 165 V AC; Turn-off: 264 V AC
  • CURRENT DRAW
    • Idle Current 0.6 A rms (230 V AC)
    • Max Long-Term Continuous Current (>10 sec) 6.0 A rms (230 V AC)
    • Burst Current (<1 sec)6 8.0 A rms (230 V AC)
    • Maximum Instantaneous Peak Current 24 A peak (230 V AC)
    • Inrush Current < 15 A peak
  • RMS NETWORKEquipped with two-conductor, twisted-pair network; reports all amplifier operating parameters to host computers
  • PHYSICAL
    • Dimensions W: 44.42 in (1128 mm) x H: 17.85 in (453 mm) x D: 23.00 in (584 mm)
    • Weight 265 lb (120.2 kg)
    • Enclosure Premium multi-ply birch, slightly textured black finish
    • Protective Grille Powder coated, hex-stamped steel with acoustical black mesh
    • Rigging End frames with captive GuideALinks secured with 0.5-inch x 1.125-inch quick-release pins that allow
    • 0.5°–5° splay angles; detachable handles
  • NOTES
    • 1. Loudspeaker system predictions for coverage and SPL are available in Meyer Sound’s MAPP System Design Tool.
    • 2. Recommended maximum operating frequency range. Response depends on loading conditions and room acoustics.
    • 3. Maximum SPL is the peak measured in free-field at 4 m referred to 1 m using noise.
    • 4. Linear Peak SPL is measured in free-field at 4 m referred to 1 m. Loudspeaker SPL compression measured with M-noise at the onset of limiting, 2-hour duration, and 50-degree C ambient temperature is <2 dB. M-noise is a full bandwidth, (10Hz–22.5kHz) test signal developed by Meyer Sound to better measure the loudspeaker’s music performance. It has a constant instantaneous peak level in octave bands, a crest factor that increases with frequency, and a full bandwidth Peak to RMS ratio of 18 dB. Pinknoise is a full bandwidth test signal with Peak to RMS ratio of 12.5 dB. B-noise is a Meyer Sound test signal used to ensure measurements reflect system behavior when reproducing the most common input spectrum, and to verify there is still headroom over pink noise.
    • 5. Peak power based on the maximum unclipped peak voltage the amplifier will produce into the nominal load impedance.
    • 6. AC power cabling must be of sufficient gauge so that under burst current rms conditions, cable transmission losses do not cause the loudspeaker’s voltage to drop below the specified operating range.

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