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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