VLFC Loa Sub active Dual 18" Meyer Sound

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  Loa Sub active Dual 18" 5.600w Meyer Sound VLFC (Very Low Frequency Control Element);
  13–30 Hz ±4 dB, 125.5 dB Linear Peak SPL;
  Một Năm Bảo Hành;

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

ACOUSTICAL1

Operating Frequency Range2

13–35 Hz

 

Frequency Response3

 

13–30 Hz ±4 dB

 

Phase Response

 

13–30 Hz ±30°

 

Linear Peak SPL4

 

125.5 dB with crest factor >10.5 dB (M-noise), 125.5 dB (Pink noise)

COVERAGE

 

360° (single unit); varies with number of units and configuration

TRANSDUCERS

Low Frequency

Two 18‑inch long‑excursion low‑resonance cone drivers; 8 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 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 differential between pins 2 and 3

 

 

 

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

 

Nominal Input Sensitivity

 

0 dBV (1.0 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 complementary MOSFET output stages (Class AB/H bridged)

 

Total Output Power6

 

5600 W peak

 

THD, IM, TIM

 

< 0.02%

 

Cooling

 

Three ultra high‑speed primary fans; three ultra high‑speed reserve fans

AC POWER

Connectors

powerCON 32 input

 

Automatic Voltage Selection

 

208–235 V AC, 50/60 Hz

 

Safety Rated Voltage Range

 

208–235 V AC, 50/60 Hz

 

Turn‑on and Turn‑off Points

 

165 V AC turn‑on; 264 V AC turn‑off

CURRENT DRAW

Idle Current

0.6 A rms (230 V AC)

 

Maximum Long‑Term Continuous Current (>10 sec)

 

10.5 A rms (230 V AC)

 

Burst Current (<1 sec)7

 

18 A rms (230 V AC)

 

Maximum Instantaneous Peak Current

 

53 A peak (230 V AC)

 

Inrush Current

 

< 30 A peak

RMS NETWORK

 

Equipped with 2‑conductor, twisted‑pair network, reporting all amplifier operating parameters to host computer