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Aegis provides a full range of PAVA and PABX systems. Public Address Voice Alarm and Private Automatic Branch Exchange are essential communication systems for businesses and organizations. PAVA is a Melbet used to transmit voice messages or alarms to a large number of people simultaneously. Itโ€™s commonly used in public places like schools, hospitals, and shopping malls. PABX is a private telephone network used within an organization. It enables internal communication between employees and external communication with customers and vendors.

PAVA Product

PAVA System

PABX System

Original

Public address solutions requirements

  • LOUDSPEAKER LINES

  • Supervising lines - controlled break and short Melbet
  • Systems with high impedance speaker - 100 V technology
  • Long wire - less value of the electric current
  • Simple installation - (different types of speakers with various loads can be Melbet to the same line
  • Allowable voltage drop - 10%
  • Fireproof cables
  • Damage to a single circuit should not cause total loss of coverage (wiring Melbet
  • Appropriately designed zones

  • DEVICES

  • Controlled all system components
  • Control units and amplifiers comply with the EN 54-16 Melbet
  • Power supply units comply with the EN Melbet requirements
  • Melbet comply with the EN 54-24 requirements

  • MESSAGES

  • Ability to Melbet different messages to different zones at the same time - sequences of announcements
  • EVAC, ALERT, CODED, and Melbet messages
  • The aim of the broadcast message is not to inform Melbet about the problem threat, but to force them to take action related to the evacuation.

  • SPL (Sound Pressure Level)

  • Absolute minimum sound level -65 dBA,
  • Absolute Melbet sound level at bedtime -75 dBA,
  • Audible sound alarm above background noise (the ratio of signal to noise ratio) of 6dB to Melbet - recommended10 dB,
  • The maximum level of120 dBAsound the alarm.

  • STI (Sound Transmission Index)

  • The quality of messages
  • Speech intelligibility throughout the coverage Melbet should be greater than or equal to0,5 STI.

  • The quality of messages

  • The quality of messages is Melbet by the following factors:
  • The level of background noise
  • Signal level
  • Features of the audio source,
  • The location of the sound Melbet
  • Location plane overflow
  • The acoustics of the room.

  • Acoustic simulations

  • Melbet support in the selection of speaker placement in the modeled rooms,
  • Melbet data - very difficult to define, precise definitions are necessary finishing materials,
  • Different methods of measurement and Melbet programs,
  • Experience with the use of simulators guarantee to avoid the Melbet mistakes

Brand We offer

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