Bosch Speaker LA3-VARI-BH

Bosch Speaker LA3-VARI-BH   AUDIO SYSTEMS

BOSCH-LA3‑VARI‑BH ลำโพง Vari Base Unit HF

  • Unmatched sound quality and speech intelligibility
  • Fast solution for challenging environments
  • Smart modular design, flush mountable
  • Sophisticated beam configuration with EASE support
  • Integrated ambient noise level sensor for AVC
  • Suited for emergency sound systems
  • Optional CobraNet networking
Specification
Frequency Range 130 Hz to 10 kHz (±3 dB)
SPL 90 / 93 dB SPL (maximum)
Coverage Angle Horizontal: 130° (-6 dB, average 1 to 4 kHz)
Vertical: software configurable
Throw Distance Up to 65.62′ (20 m)
Dynamic Range > 105 dB
Transducer 4″ Full Range (8 x 1 driver)
Nominal Input Level Input line (2x): 0 dBV rms
Input 100 V (2x): +40 dBV rms
Maximum Input Level Input line (2x):+20 dBV
Type Input line (2x): Transformer balanced
Input 100 V (2x): Transformer balanced (floating input)
Impedance Input line (2x): 7.8 kohm (balanced) at 1 kHz
Input 100 V (2x): 1 Mohm (balanced) at 1 kHz
Amplifier 8 x 15 W (Class D full bridge)
Voltage 100 to 240 V (auto switching)
Power Consumption Mains
Power Save: 13 W
Idle: 18 W
Max: 60 W
24 V Power Save: 4.5 W
Idle: 8.5 W
Max: 36 W
Power Factor According to EN61000-3-2, class A
Inrush Current < 70 A (at 230 V)
Protection Thermal shutdown
Current limiting
Under voltage lock-out
Network Interface RS-485 full duplex, optically isolated, auto-switching 115k2, 57k6, 38k4, 19k2 baud
Maximum Number of Devices 126
Relays Failure relay: Maskable conditions
Contact 1: No failure = closed / Failure = open
Contact 2: No Failure = 10 kohm / Failure = 20 kohm
Rating: Max. 24 V, 100 mA
Control Voltage 5 to 24 V DC, optically isolated
Certifications Safety: IEC 60065:2002 + A1 :2006
Immunity: EN 55103-2:2009, FCC-47 part 15B
Emissions: EN 55103-1:2009, EN 61000-3-2 :2006 + A1 :2009 + A2 :2009
Wind-Force: NEN 6702:2007 + A1:2008, Bft 11
Water/Dust: EN 60529 IP54 (except for VARI-BH)
Approval: CE
Temperature / Humidity Operating Temperature: -13 to 131 °F (-25 to 55 °C)
Storage Temperature: -40 to 158 ºF (-40 to 70 ºC)
Relative Humidity: < 95 %
Color Enclosure: Gray Aluminum
Grill: White Aluminum
Dimensions (WxHxD) 5.1 x 47.2 x 3.8″ (130 x 1200 x 98 mm)
Weight 28.7 lb (13.0 kg)