BOSCH LA3-VARI-BH VARI Active Basic Unit Speaker Array (Coaxial Unit)
Update: 2019/9/10 View:
- Brand: BOSCH
- Type: LA3-VARI-BH
Introduction
BOSCH LA3-VARI-BH VARI Active Basic Unit Speaker Array (Coaxial Unit)
Variable directivity speaker array
F.01U.126.625
Variable directivity speaker array
Excellent sound quality and language clarity
Intelligent Modular Design and Embedded Installation
Intelligent Beam Configuration Software to Support EASE
Integrating background noise monitoring to realize automatic volume control
F.01U.126.625 83,925
LA3-VARI-BH Netherlands
Basic Unit of VARI Active Speaker Array (Coaxial Unit)
Frequency range 2
VARI B 130 Hz to 10 kHz (+3 dB)
VARI BH 130 Hz to 18 kHz (+3 dB)
Maximum Sound Pressure Level 3 Continuous/Peak
VARI B 90/93 dB sound pressure level (weighted A at 20 meters)
VARI B+E 90/93 dB sound pressure level (weighted A at 32 meters)
VARI B+E+E 88/91 dB sound pressure level (weighted A at 50 meters)
VARI BH 89/92 dB Sound Pressure Level (A Weighted at 20 m)
VARI BH+E 89/92 dB sound pressure level (weighted A at 32 meters)
VARI BH+E+E 87/90 dB sound pressure level (50 m A-weighted)
Coverage Level (fixed) 4 130 degrees (-6 dB, average 1 to 4 kHz)
Vertical (adjustable) 5 can be configured by software
Maximum coverage:
VARI B(H) 20m
VARI B(H)+E 32 m
VARI B(H)+E+E 50m
transducer
VARI B 4 inch full range (8x 1 unit)
VARI BH 4 inch coaxial (8 x 1 unit)
VARI E 4 inch full range (4x 2 unit)
Input lines (2)
Rated input level 0 dBV RMS
Maximum input level + 20 dBV peak
Type transformer (balance type)
Impedance (balanced) of 7.8 kohm at 1 kHz
Enter 100V (2x)
Rated input level + 40 dBV RMS
Type transformer (balanced, floating input)
Impedance (Balanced) 1 kHz to 1 megaohm
power amplifier
Power Supply
VARI B(H) 8x 15W (Class D Full Bridge)
VARI E 4 x 25 W (Class D Full Bridge)
Protect overheating shutdown
Current Output Limitation
Dynamic range 6 > 105 dB
PSU Power supply voltage 100 to 120 V/200 to 240V (automatic switching)
Power Consumption @Power Supply/24Vdc (minimum 22V, maximum 36V)
power saving
VARI B(H) 13/4.5 W
VARI B(H)+E 17/7 W
VARI B(H)+E+E 19/9 W
free VARI B(H) 18/8.5 W
VARI B(H)+E 23/13 W
VARI B(H)+E+E 28/17 W
Maximum (noise, CF 6 dB)
VARI_B(H) 60/36 W
VARI B(H)+E 97/75W
VARI B(H)+E+E 124/100W
Power factor meets EN61000 3 2, A standard
Main power supply inrush current < 70 A (230 V)
Protect overheating shutdown
Current Output Limitation
Undervoltage locking
Signal Processing 5
DSP 32-bit floating-point, 900 million floating-point operations per second
ADC/DAC 24-bit S_D,128 x oversampling
Sampling rate 48 kHz
Functional pre-delay (up to 21 seconds)
Input delay (up to 2 x 10 seconds / 4 x 5 seconds)
Equalizer and Compensation Filter
compressor
volume AVC control
F.01U.126.625 LA3-VARI-BH VARI Active Speaker Array Basic Unit (Coaxial Unit) Netherlands 33059.00 66118
Network interface RS 485 full duplex, automatic switching 115k2, 57k6, 38k4, 19k2 baud, photoelectric isolation
Maximum number of devices 7 126
Monitor routine status
Amplifier and Load Monitoring
External pilot sound detection (20 kHz to 30 kHz, minimum level - 22 dBV)
Built-in ambient noise sensor microphone
Overheat protection
Shielding Conditions for Fault Relays
Contact 1 Failure Free = Close / Failure = Open
Maximum grade 24 V, 100 mA
Contact 2 Fault-free = 10 K ohm / Fault = 20 kohm
Control voltage input 5 to 24 V DC, photoelectric isolation
CobraNet
Interface RJ 45, Ethernet 100 Mbps
Word length 16/20/24 bits (set by transmitter)
Sampling rate 48 kHz
Additional delay of 1.33/2.67/5.33 milliseconds (set by transmitter)
Size (high x width x depth)
VARI B (H) 1200 x 130 x 98 mm (47.2 x 5.1 x 3.8 inches)
VARI B(H)+E 2400 x 130 x 98 mm (94.5 x 5.1 x 3.8 inches)
VARI B(H)+E+E 3600 x 130 x 98 mm (141.7 x 5.1 x 3.8 inches)
Bracket 27mm (1.1 inch) extra depth, flat mounting
VARI-CM 100 x 50 x 23 mm (3.9 x 2.0 x 0.9 inch)
weight
VARI B (H) 13.0 kg (28.7 pounds)
VARI B(H)+E 24.7 kg (54.5 pounds)
VARI B(H)+E+E 36.4 kg (80.3 pounds)
colour
Box: VARI B (H) and VARI E RAL9007 (grey aluminium)
Masks: VARI B (H) and VARI E RAL9006 (white aluminium)
Working temperature - 25 C to 55 C (- 13 F to 131 F)
Storage and transportation temperatures - 40C to + 70C (- 40F to + 158F)
Relative humidity < 95%
Product variables
Basic Device of LA3-VARI-B Variable Directional Loudspeaker Array
Active variable directivity array loudspeaker.
Business Type: LA3-VARI-B
Product number: F.01U.126.624; F.01U.354.642
LA3-VARI-BH Variable Directional Speaker Array Basic Device, Coaxial
Active variable directivity array loudspeaker with coaxial drive unit meets the important application of high frequency response.
Business Type: LA3-VARI-BH
Product number: F.01U.126.625; F.01U.354.643
LA3-VARI-E Variable Directional Speaker Array Extension Device
Active variable directivity array expansion is used to cooperate with basic devices to expand coverage area. You can use at most two expansion devices in conjunction with one basic device.
Business Type: LA3-VARI-E
Product number: F.01U.126.626; F.01U.354.644
parts
LA3-VARI-CM Variable Directional Speaker Array, COBRANET Module
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