Loa siêu trầm Meyer Sound 750 LFC

Meyer Sound 750 LFC

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Compact cabinet with small footprint and extraordinary power-to-size ratio
High peak power output with extremely low distortion
Exceptional linearity, transient reproduction, and low-frequency clarity
Self-powered design for simplified setup and increased reliability
Stackable and flyable in regular and cardioid arrays with splay options
Integral pole-mount receptacle to facilitate pairing with LINA or ULTRA Series loudspeakers

Mã: 750 LFC Danh mục: Meyer Sound Brand: Meyer Sound

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750 LFC thiết bị loa Meyer Sound là loa siêu trầm nhỏ gọn phù hợp không gian gia đình của bạn.

Thông số kỹ thuật

ACOUSTICAL
Operating Frequency Range²	35 Hz – 125 Hz
Frequency Response³	37 Hz – 110 Hz ±4 dB
Phase Response	43 Hz – 110 Hz ±30°
Linear Peak SPL⁴	130.5 dB with crest factor >9 dB (M-noise), 130.5 dB (pink noise), 132 dB (B-noise)
COVERAGE
	360° (single unit); varies with number of units and configuration
TRANSDUCERS
Low Frequency	One 15-inch, dual-coil, long-excursion cone driver; 2 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 3-pin female with male loop. Optional 5-pin connectors to accommodate both balanced audio and RMS signals
Input Impedance	10 kΩ differential between pins 2 and 3
Wiring⁵	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	6.0 dBV (2.0 V rms) continuous is typically the onset of limiting for noise and music
Input Level	Audio source must be capable of producing +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, open-loop, class D
Total Output Power⁶	3100 W peak
THD, IM, TIM	< 0.02%
Cooling	Convection
AC POWER
Connectors	powerCON 20 input with loop output
Automatic Voltage Selection	90–265 V AC; 50–60 Hz
Safety Agency Rated Voltage Range	100–240 V AC, 50–60 Hz
Turn-on and Turn-off points	Turn-on: 90 V AC; Turn-off: none; internal fuse protection above 265 V AC
CURRENT DRAW
Idle	0.39 A rms (115 V AC), 0.38 A rms (230 V AC), 0.42 A rms (100 V AC)
Maximum Long-Term Continuous	5.3 A rms (115 V AC), 2.7 A rms (230 V AC), 6.2 A rms (100 V AC)
Burst (<1 sec)⁷	9.2 A rms (115 V AC), 4.4 A rms (230 V AC), 10.7 A rms (100 V AC)
Maximum Instantaneous Peak	15.3 A peak (115 V AC), 7.8 A peak (230 V AC), 18 A peak (100 V AC)
Inrush Current	< 20.0 A peak
RMS NETWORK (OPTIONAL)
	Two-conductor, twisted-pair network, capable of reporting all operating parameters of amplifiers to system operator’s host computer.
PHYSICAL
Dimensions without Rigging	W: 21.80 in (554 mm) x H: 20.30 in (515 mm) x D: 20.88 in (530 mm)
Dimensions with Rigging	W: 21.55 in (547 mm) x H: 20.43 in (519 mm) x D: 20.88 in (530 mm)
Weight without Rigging	89 lbs (40.3 kg)
Weight with Rigging	105 lbs (47.6 kg)
Enclosure	Premium multi-ply birch with slightly textured black finish
Protective Grille	Powder-coated, hex-stamped steel with acoustical black mesh
Rigging	Optional MRK-750 rigging kit with end frames and captive GuideALinks secured with 0.25 in x 0.53 in quick release pins that allow 0°, 1.5°, 3.25°, or 4.75° splay angles; detachable side handles. Rigging allows ground-stacked, flown, and cardioid configurations
Pole Mount	U.S. version: 1.5 in (38 mm) E.U. version: 1.375 in (35 mm and M20 thread at the bottom)

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