Bosch LA3-VARI-EL is a white active vari-directional array extension, to be used with a base unit to increase the coverage distance. A maximum of two extension units can be used with a base unit.
Features:
- Unmatched sound quality and speech intelligibility
- Smart modular design, flush mountable
- Sophisticated beam configuration with EASE support
- Integrated ambient noise level sensor for AVC
- Available in gray or white
- Suited for emergency sound systems
- Optional CobraNet networking
Specifications:
- frequency range - from 130 Hz to 18 kHz (± 3 dB)
- Max UZD3 continuous / maximum - 89/92 dB SPL (A-weighted at 20 m)
- coverage horizontal (flat) - 130 ° (-6 dB, the average of 1 to 4 kHz.)
- vertical coverage (adjustable) - 32 m
- Dynamic Range -> 105 dB
- Converters - a 4-inch, full-range (4 x 2 speaker)
- electrical characteristics:
- input line (2x) nominal input level - 0 dBV, standard
- maximum input level - 20 dBV maximum
- type - balun
- resistance (symmetrical) - 7.8 ohms at 1 kHz
- Input 100V (2x) nominal input level - 40 dBV, standard
- type - balun (floating input)
- resistance (symmetrical) - 1 MW at 1 kHz
- Power - 4 x 25 W (Class D, full bridge)
- source of power:
- voltage power supply - from 100 to 120 V / 200 to 240 V (auto switching)
- power - mains / 24 V DC. current
- energy efficiency - 17/7 W
- inaction - 23/13 W
- Max (Noise, CF 6 dB) - 97/75 W
- power factor - according to EN61000-3-2, Class A
- inrush current network - <70 A (at 230)
- current limiting - undervoltage lock
- Digital Signal Processing - 32-bit floating point, 900 megaflops
- ADC / DAC - 24 bit S-D, 128 x oversampling
- sampling frequency - 48 kHz
- Network interface - RS-485 full duplex, auto 115k2, 57k6, 38k4, 19k2 baud, optically isolated
- weight - 11.7 kg
- Dimensions (H x W x D) - 1200 x 130 x 98 mm
- operating temperature - from -25 ° C to 55 ° C
- Storage temperature - between -40 ° C to 70 ° C
