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.