Meyer Sound 1100-LFC Large Low-Frequency Array Loudspeaker with 5-Pin XLR and Rigging
The 1100‑LFC low-frequency control element is a self-powered loudspeaker defined by its sonic linearity in reproducing low frequency transients at high continuous output levels with very low distortion. This ultra-low distortion, coupled with exceptional headroom and optimized rigging options, makes the 1100‑LFC a flexible tool for low-end directional applications for large-scale tours and installations.
Features:
- High peak power output with low-frequency clarity and excellent transient reproduction at extreme levels
- Linearity ensures low-frequency output with consistent directional properties in a variety of configurations at any level
- Tuned, vented cabinet optimized for low air velocities
- Stackable and flyable in regular and cardioid arrays
- Seamlessly integrates with LEO, LYON, LEOPARD, and other Meyer Sound loudspeakers
Specifications:
- Acoustical:
- Operating Frequency Range: 28 Hz – 100 Hz
- Frequency Response: 30 Hz – 85 Hz ±4 dB
- Phase Response: 34 Hz – 82 Hz ±30°
- Linear Peak SPL: 140 dB with crest factor >9.5 dB (M-noise), 140 dB (Pink noise), 141 dB (B-noise)
- Coverage: 360° (single unit); varies with number of units and configuration
- Transducers:
- Low Frequency: Two 18-inch long-excursion cone drivers; 8Ω 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; XLR 3-pin female connectors available to accommodate only balanced audio (no RMS signals)
- Input Impedance: 10 kΩ differential between pins 2 and 3
- Wiring:
- Pin 1: Chassis/earth through 220 kΩ, 1000 pF, 15 V clamp 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 (1.0 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
- Amplifier:
- Type: 2-channel complementary MOSFET output stages (Class AB/H bridged)
- Total Output Power: 8100 W peak
- THD, IM, TIM: < 0.02%
- Cooling: Three ultra high-speed primary fans; three ultra high-speed reserve fans
- AC Power:
- Connectors: PowerCon32
- 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: 165 V AC turn-on; 264 V AC turn-off
- Current Draw:
- Idle : 0.6 A rms (230 V AC)
- Maximum Long-Term Continuous Current (>10 sec): 10.5 A rms (230 V AC)
- Burst Current (<1 sec): 18 A rms (230 V AC)
- Maximum Instantaneous Peak Current: 53 A peak (230 V AC)
- Inrush Current: < 30 A peak
- RMS Network: Reporting all operating parameters of amplifiers to system operator’s host computer.
- Physical:
- Dimensions with Rigging: W: 54.65 in (1388 mm) x H: 20.48 in (520 mm ) x D: 33.00 in (838 mm)
- Weight with Rigging: 285 lb (129.3 kg)
- Enclosure: Premium multi-ply birch with slightly textured black finish
- Protective Grille: Powder-coated, hex-stamped steel with acoustical black mesh
- Rigging: Included MRK-1100 rigging kit with captive GuideALinks secured with 0.5 in x 1.25 in quick release pins for ground-stacked, flown, and cardioid configurations
- Acoustical:
- Operating Frequency Range: 28 Hz – 100 Hz
- Frequency Response: 30 Hz – 85 Hz ±4 dB
- Phase Response: 34 Hz – 82 Hz ±30°
- Linear Peak SPL: 140 dB with crest factor >9.5 dB (M-noise), 140 dB (Pink noise), 141 dB (B-noise)
- Coverage: 360° (single unit); varies with number of units and configuration
- Transducers:
- Low Frequency: Two 18-inch long-excursion cone drivers; 8Ω 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; XLR 3-pin female connectors available to accommodate only balanced audio (no RMS signals)
- Input Impedance: 10 kΩ differential between pins 2 and 3
- Wiring:
- Pin 1: Chassis/earth through 220 kΩ, 1000 pF, 15 V clamp 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 (1.0 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
- Amplifier:
- Type: 2-channel complementary MOSFET output stages (Class AB/H bridged)
- Total Output Power: 8100 W peak
- THD, IM, TIM: < 0.02%
- Cooling: Three ultra high-speed primary fans; three ultra high-speed reserve fans
- AC Power:
- Connectors: PowerCon32
- 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: 165 V AC turn-on; 264 V AC turn-off
- Current Draw:
- Idle : 0.6 A rms (230 V AC)
- Maximum Long-Term Continuous Current (>10 sec): 10.5 A rms (230 V AC)
- Burst Current (<1 sec): 18 A rms (230 V AC)
- Maximum Instantaneous Peak Current: 53 A peak (230 V AC)
- Inrush Current: < 30 A peak
- RMS Network: Reporting all operating parameters of amplifiers to system operator’s host computer.
- Physical:
- Dimensions with Rigging: W: 54.65 in (1388 mm) x H: 20.48 in (520 mm ) x D: 33.00 in (838 mm)
- Weight with Rigging: 285 lb (129.3 kg)
- Enclosure: Premium multi-ply birch with slightly textured black finish
- Protective Grille: Powder-coated, hex-stamped steel with acoustical black mesh
- Rigging: Included MRK-1100 rigging kit with captive GuideALinks secured with 0.5 in x 1.25 in quick release pins for ground-stacked, flown, and cardioid configurations
- Dimensions with Rigging: W: 54.65 in (1388 mm) x H: 20.48 in (520 mm ) x D: 33.00 in (838 mm)
