1100-LFC Low-Frequency Control Element

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 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 AND BENEFITS

High peak power output yields excellent transient reproduction and low-frequency clarity at extreme operating levels
Tuned, vented cabinet optimized for low air velocities
Linearity and power bring new possibilities for low-frequency system design
Stackable and flyable with other 1100-LFCs in regular and cardioid arrays
Optimized to integrate with MILO, MICA, JM-1P, and other Meyer Sound loudspeakers

APPLICATIONS

Stadiums
Arenas
Concert halls
High-power, controlled-directivity arrays

Voce di capitolato

The loudspeaker shall be a linear, low-distortion, self-powered, low‑frequency control element and shall be capable of flown and ground stacked configurations. Its transducers shall include two 18 in long‑excursion cone drivers.
The loudspeaker shall incorporate internal processing and a 2-channel Class AB/H amplifier with complementary MOSFET output stages. Protection circuits shall include TruPower limiting. The audio input shall be electronically balanced with a 10 kΩ impedance and accept a nominal 0 dBV (1.0 V rms) signal (+20 dBV to produce maximum peak SPL).
Audio connectors shall be 5-pin XLR, female and male; 3-pin XLR audio connectors shall be optionally available.
Performance specifications for a typical production unit shall be as follows, measured at 1/3-octave resolution: operating frequency range shall be 28–100 Hz; frequency response shall be 30–85 Hz ±4 dB (measured in half-space with pink noise at 4 m, 1/3-octave frequency resolution); phase response shall be 34–82 Hz ±30 degrees; Linear Peak SPL shall be 140 dB, measured in half‑space with M-noise at 4 m referred to 1 m.
The internal power supply shall perform EMI filtering, soft current turn-on, and surge suppression. Power requirements shall be nominal 230 V AC line current at 50 or 60 Hz. UL and CE operating voltage range shall be 208 to 235 V AC. Current draw during burst shall be 18 A rms at 230 V AC. Current inrush during soft turn-on shall not exceed 30 A at 230 V AC. The AC power connector shall be a PowerCon32. The loudspeaker shall include the RMS remote monitoring system module.
Components shall be mounted in an optimally tuned, vented enclosure constructed of premium multi-ply birch and coated with a slightly textured black finish.
Dimensions shall be 52.60 in (1336 mm) wide x 20.48 in (520 mm) high x 33.00 in (838 mm) deep. Dimension with optional rigging shall be 54.65 in (1388 mm) wide x 20.48 in (520 mm ) high x 33.00 in (838 mm) deep. Weight shall be 249 lb (112.9 kg). Weight with optional rigging shall be 285 lb (129.3 kg).
The loudspeaker shall be the Meyer Sound 1100-LFC
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