BOSCH LA3-VARI-CM Variable Directional Speaker Array, COBRANET Module

Business Type: LA3-VARI-CM
Product number: F.01U.354.646; F.01U.127.020

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)

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

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
The CobraNet module is used to connect the variable directivity array loudspeaker to the CobraNet network. The module must be installed in the basic device.
Business Type: LA3-VARI-CM
Product number: F.01U.354.646; F.01U.127.020
Configuration Group of LA3-VARI-CS Variable Directional Speaker Array
The configuration kits for variable directivity arrays include: USB to RS 485 converters, USB cables (1.8 meters) for connecting to PC USB ports, and RS-485 connection cables (5 meters) for connecting to variable directivity arrays.
Business Type: LA3-VARI-CS
Product number: F.01U.354.645; F.01U.126.627