خانه صوت و کنفرانس بوشPublic Address and Voice AlarmLoudspeakers Vari-directional Array

Vari‑directional Array

Technical Specification
Acoustical1s Frequency range2
VARI‑B 130 Hz to 10 kHz (±3 dB)
VARI‑BH 130 Hz to 18 kHz (±3 dB)
Max SPL3 Continuous / peak
VARI‑B 90 / 93 dB SPL (A‑weighed at 20 m)
VARI‑B+E 90 / 93 dB SPL (A‑weighed at 32 m)
VARI‑B+E+E 88 / 91 dB SPL (A‑weighed at 50 m)
VARI‑BH 89 / 92 dB SPL (A‑weighed at 20 m)
VARI‑BH+E 89 / 92 dB SPL (A‑weighed at 32 m)
VARI‑BH+E+E 87 / 90 dB SPL (A‑weighed at 50 m)
Coverage
Horizontal (fixed)4 130° (-6 dB, avg. 1 to 4 kHz)
Vertical (adjustable)5 Software configurable
Maximum throw:
VARI‑B(H) 20 m
VARI‑B(H)+E 32 m
VARI‑B(H)+E+E 50 m
Transducers
VARI‑B 4” Full Range (8 x 1 driver)
VARI‑BH 4” Coaxial (8 x 1 driver)
VARI‑E 4” Full Range (4 x 2 drivers)
Electrical Input Line (2x)
Input level nominal 0 dBV rms
Input level maximum +20 dBV peak
Type Transformer balanced
Impedance (balanced) 7.8 kohm at 1 kHz
Input 100 V (2x)
Input level nominal +40 dBV rms
Type Transformer balanced (floating input)
Impedance (balanced) 1 Mohm at 1 kHz
Power Amplifiers
Power
VARI‑B(H) 8 x 15 W (class‑D full bridge)
VARI‑E 4 x 25 W (class‑D full bridge)
Protection Thermal shutdown
Current limiting
Dynamic range6 <105 dB
PSU
Mains voltage 100 to 120 V / 200 to 240 V (auto switching)
Power consumption @ Mains / 24 Vdc (22 V min, 36 V max)
Power save
VARI‑B(H) 13 / 4.5 W
VARI‑B(H)+E 17 / 7 W
VARI‑B(H)+E+E 19 / 9 W
Idle
VARI‑B(H) 18 / 8.5 W
VARI‑B(H)+E 23 / 13 W
VARI‑B(H)+E+E VARI‑B(H)+E+E
Max. (Noise, CF 6 dB)
VARI‑B(H) 60 / 36 W
VARI‑B(H)+E+E 124 / 100 W
Power factor According to EN61000‑3‑2, class A
Mains inrush current <70 A (at 230 V)
Protection Thermal shutdown
Current limiting
Under voltage lock‑out
Signal processing5
DSP 32‑bit floating point, 900 Mflops
ADC / DAC 24‑bits S‑D, 128 x oversampling
Sample rate 48 kHz
Functions Pre‑delay (max. 21 s)
Input‑delay (max. 2 x 10 s / 4 x 5 s)
Equalizer and compensation filtering
Compressor
Volume
AVC
Control
Network interface RS‑485 full duplex, auto‑switching 115k2,
57k6, 38k4, 19k2 baud, optically isolated
Max. number of units7 126
Surveillance General status
Amplifier and load monitoring
External pilot‑tone detection (20 kHz to
30 kHz, min. level -22 dBV)
Built‑in ambient noise sensing microphone
Thermal overload protection
Failure relay Maskable conditions
Contact 1 No failure = closed / Failure = open
Rating Max. 24 V, 100 mA
Contact 2 No failure = 10 k ohm / Failure = 20 k ohm
Control voltage input 5 to 24 Vdc, optically isolated
CobraNet
Interface RJ‑45, Ethernet 100 Mbps
Word length 16-/20-/24‑bit (set by transmitter)
Sample rate 48 kHz
Additional latency 1.33/2.67/5.33 ms (set by transmitter)
Mechanical Dimensions (H x W x D)
VARI‑B(H) 1200 x 130 x 98 mm (47.2 x 5.1 x 3.8 in)
VARI‑B(H)+E 2400 x 130 x 98 mm (94.5 x 5.1 x 3.8 in)
VARI‑B(H)+E+E 3600 x 130 x 98 mm (141.7 x 5.1 x 3.8 in)
Bracket 27 mm (1.1 in) additional depth, flat
 mounted
VARI-CM 100 x 50 x 23 mm (3.9 x 2.0 x 0.9 in)
Weight
VARI‑B(H) 13.0 kg (28.7 lbs)
VARI‑B(H)+E 24.7 kg (54.5 lbs)
VARI‑B(H)+E+E 36.4 kg (80.3 lbs)
Color
Enclosure: VARI‑B(H) and -E RAL9007 (gray aluminum)
Grill: VARI‑B(H) and -E RAL9006 (white aluminum)
Environmental Operating temperature -25 ºC to +55ºC (-13 ºF to +131 ºF)
Storage temperature 40 ºC to +70 ºC (-40 ºF to +158 ºF)
Relative humidity <95%

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