VLFC Loa Sub active Dual 18" Meyer Sound
Tính năng nổi bật
Loa Sub active Dual 18" 5.600w Meyer Sound VLFC (Very Low Frequency Control Element), dòng sub lớn nhất của Meyer Sound cho sân khấu chuyên nghiệp, touring, âm thanh nhà hát
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ACOUSTICAL1 |
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Operating Frequency Range2 |
13–35 Hz |
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Frequency Response3 |
13–30 Hz ±4 dB |
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Phase Response |
13–30 Hz ±30° |
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Linear Peak SPL4 |
125.5 dB with crest factor >10.5 dB (M-noise), 125.5 dB (Pink noise) |
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COVERAGE |
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360° (single unit); varies with number of units and configuration |
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TRANSDUCERS |
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Low Frequency |
Two 18‑inch long‑excursion low‑resonance cone drivers; 8 Ω nominal impedance |
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AUDIO INPUT |
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Type |
Differential, electronically balanced |
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Maximum Common Mode Range |
±15 V DC, clamped to earth for voltage transient protection |
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Connectors |
XLR 5‑pin female input with male loop output; XLR 3‑pin female connectors available to accommodate only balanced audio (no RMS signals) |
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Input Impedance |
10 kΩ differential between pins 2 and 3 |
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Wiring5 |
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 |
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Nominal Input Sensitivity |
0 dBV (1.0 V rms) continuous is typically the onset of limiting for noise and music |
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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 |
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AMPLIFIER |
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Type |
2‑channel complementary MOSFET output stages (Class AB/H bridged) |
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Total Output Power6 |
5600 W peak |
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THD, IM, TIM |
< 0.02% |
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Cooling |
Three ultra high‑speed primary fans; three ultra high‑speed reserve fans |
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AC POWER |
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Connectors |
powerCON 32 input |
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Automatic Voltage Selection |
208–235 V AC, 50/60 Hz |
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Safety Rated Voltage Range |
208–235 V AC, 50/60 Hz |
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Turn‑on and Turn‑off Points |
165 V AC turn‑on; 264 V AC turn‑off |
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CURRENT DRAW |
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Idle Current |
0.6 A rms (230 V AC) |
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Maximum Long‑Term Continuous Current (>10 sec) |
10.5 A rms (230 V AC) |
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Burst Current (<1 sec)7 |
18 A rms (230 V AC) |
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Maximum Instantaneous Peak Current |
53 A peak (230 V AC) |
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Inrush Current |
< 30 A peak |
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RMS NETWORK |
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Equipped with 2‑conductor, twisted‑pair network, reporting all amplifier operating parameters to host computer |