Meyer Sound 900 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 for simplified setup and increased reliability
- Stackable and flyable in regular and cardioid arrays, with tilt and splay options
- Integral pole-mount receptacle easily pairs the subwoofer with ULTRA Series loudspeakers
Meyer Sound 900-LFC là một loa siêu trầm, thường được sử dụng trong các ứng dụng âm thanh chuyên nghiệp. Nó được thiết kế để tái tạo tần số thấp với độ chính xác cao và công suất lớn, phù hợp cho các buổi hòa nhạc, sự kiện trực tiếp, hoặc các cài đặt cố định. Loa này nổi tiếng với khả năng tái tạo âm thanh mạnh mẽ và rõ ràng, đồng thời tích hợp các công nghệ giúp tối ưu hóa hiệu suất và độ tin cậy.
Thông số kỹ thuật
ACOUSTICAL | |
Operating Frequency Range | 30 Hz – 125 Hz |
Frequency Response | 32 Hz – 115 Hz ±4 dB |
Phase Response | 40 Hz – 110 Hz ±30° |
Linear Peak SPL | 133 dB with crest factor >10 dB (M-noise), 133 dB (Pink noise), 134.5 dB (B-noise) |
COVERAGE | |
360° (single unit); varies with number of units and configurations | |
TRANSDUCERS | |
Low Frequency | One 18-inch, dual-coil, long-excursion cone driver; 2Ω nominal impedance |
AUDIO INPUT | |
Type | Differential, electronically balanced |
Maximum Common Mode Range | ±15 V DC, clamped to earth for voltage transient protection |
Connectors5 | 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 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 | Two-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 Rated Voltage Range | 100–240 V AC, 50–60 Hz |
Turn-on and Turn-off Points | 90 V AC turn-on, no turn-off; internal fuse-protection above 265 V AC |
CURRENT DRAW | |
Idle Current | 0.60 A rms (115 V AC), 0.49 A rms (230 V AC), 0.63 A rms (100 V AC) |
Maximum Long-Term Continuous Current (>10 sec) | 4.9 A rms (115 V AC); 2.5 A rms (230 V AC); 5.2 A rms (100 V AC) |
Burst Current (<1 sec)7 | 8.8 A rms (115 V AC), 4.7 A rms (230 V AC), 11.0 A rms (100 V AC) |
Maximum Instantaneous Peak Current | 18.2 A peak (115 V AC), 9.2 A peak (230 V AC), 20.6 A peak (100 V AC) |
Inrush Current | < 20 A peak |
RMS NETWORK | |
Equipped with two-conductor twisted-pair network, reporting all operating parameters of amplifiers to system operator’s host computer. | |
PHYSICAL | |
Dimensions without Rigging | W: 27.43 in (697 mm) x H: 24.43 in (621 mm) x D: 24.89 in (632 mm) |
Dimensions with Rigging | W: 27.47 in (698 mm) x H: 24.43 in (621 mm) x D: 24.89 in (632 mm) |
Weight without Rigging | 136 lb (61.7 kg) |
Weight with Rigging | 159 lb (72.1 kg) |
Enclosure | Premium multi-ply birch with slightly textured black finish |
Protective Grille | Powder-coated, hex-stamped steel with acoustical black mesh |
Rigging | Optional end frames with captive GuideALinks secured with 0.3125 in x 0.63 in quick release pins that allow 0°, 1.25°, 2.5°, 3.75°, or 5° splay angles; detachable side handles. Rigging supports 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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