Meyer Sound LEO M, 1100-LFC, and Galaxy Overview
1. Meyer Sound LEO M
1.1 What It Is
The LEO M is a self-powered linear line-array loudspeaker designed for large-scale sound reinforcement in arenas, stadiums, and tours. It delivers extremely high output with clarity and linearity, making it ideal for long-throw applications.
1.2 Key Specifications
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Frequency Range: ~55 Hz – 16 kHz
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Peak Output (SPL): Up to 149.5 dB (M-noise, referenced to 1 m)
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Amplification: 3-channel MOSFET (class AB/H bridged)
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Dimensions: 44.4 in (W) × 17.8 in (H) × 23 in (D)
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Weight: ~265 lb (120 kg)
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Rigging: Integrated “GuideALinks” system for adjustable splay angles
1.3 Usage
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Forms the main mid/high array in a concert system
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Often paired with downfill elements for near-field coverage
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Typically used alongside 1100-LFC units for low-frequency reinforcement
2. Meyer Sound 1100-LFC
2.1 What It Is
The 1100-LFC is a self-powered low-frequency control element (subwoofer). It extends system response down to 28 Hz and provides powerful, linear low-end energy for large venues.
2.2 Key Specifications
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Operating Range: 28 Hz – 100 Hz
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Frequency Response: 30 Hz – 85 Hz (±4 dB, half-space)
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Peak Output (SPL): ~140 dB
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Drivers: Two 18-inch long-excursion cone drivers
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Amplification: 2-channel MOSFET (class AB/H bridged)
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Power: Continuous ~10.5 A rms (230 V) / Burst ~18 A rms
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Dimensions: 52.6 in (W) × 20.5 in (H) × 33 in (D)
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Weight: ~249 lb (113 kg)
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Rigging Options: Flyable, stackable, cardioid configurations
2.3 Usage
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Provides sub-bass extension for line arrays like LEO M
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Can be flown or ground-stacked
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Often used in cardioid arrays to control bass directionality and reduce unwanted stage bleed
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Features TruPower limiting and remote monitoring for reliability
3. Meyer Sound Galaxy (Galileo / GALAXY Network Platform)
3.1 What It Is
The GALAXY Network Platform (previously known as Galileo / Callisto) is Meyer Sound’s digital matrix and control system. It provides signal routing, delay, EQ, and system integration for Meyer’s self-powered loudspeakers.
3.2 Core Functions
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Audio Routing / Matrixing: Distributes signals across multiple arrays or zones
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Time Alignment: Ensures all speakers (LEO, subs, fills) remain phase-coherent
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Processing: Parametric EQ, filters, crossovers, and shaping for different speaker models
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Monitoring: Works with RMS for real-time diagnostics
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System Integration: Manages hundreds of loudspeakers in large touring or fixed installations
3.3 Usage
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Sits at the center of the system, managing LEO M arrays and 1100-LFC subs
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Provides crossover management (e.g., LEO handing off around 100 Hz to the 1100-LFC)
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Handles gain structure, delay alignment, and EQ for consistent coverage
4. How They Work Together
A full Meyer Sound system often looks like this:
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LEO M modules are flown as the main array for mid and high frequencies.
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1100-LFCs provide sub-bass reinforcement, flown or ground-stacked in various configurations.
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Galaxy platform controls, routes, delays, and equalizes signals for all components.
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System alignment is performed so that subs and arrays blend smoothly, with precise phase and timing.
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Rigging and prediction software (like MAPP) ensure correct coverage and SPL distribution.
✅ In short:
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LEO M = long-throw, high-output line array (mids/highs)
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1100-LFC = powerful low-frequency control element (subs)
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Galaxy = the brain of the system, managing processing, routing, and integration













































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