DIGITAL PA SYSTEM

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A fully digital public address, voice evacuation system that meets all the requirements placed by professional users. It brings highly innovative and advanced digital technology to the public Address market. The processing and communication of both audio signals and control data entirely in the digital domain makes the system superior to other public address and emergency sound systems. ...

• Fully digital
• High quality products
• Fully supervised redundant system
• Easy installation and maintenance

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PRS‑NCO‑B Network Controller

The network control unit is the heart of the Praesideo system. The unit routes up to 28 simultaneous audio channels, delivers power to the system, reports faults, and controls the system. Audio inputs can be announcements from call stations, background music, or local audio. The network control unit can be configured for the most complex public address systems. The configuration can be done ...

• Public address and emergency sound system control unit
• Fully digital with four audio inputs and four audio outputs
• Control and routing of 28 audio channels
• Eight supervised control inputs and five control outputs

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This software has three parts: Configuration software, which is installed in the network controller Diagnostic & logging software, which is installed in the network controller, and optionally on a logging PC File transfer software, which is to be installed on the configuration PC and supplied together with the network controller.

• Web-based user interface
• Can be accessed using a PC with browser
• Different levels of access rights can be assigned
• All system and unit parameters can be configured

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PRS‑SWCS PC Call Server and PRS‑SWCSL PC Call Server NCO Client

The PRS‑SWCS PC Call Server is a Windows service connected to one or more Praesideo network controllers via TCP/IP, using the Praesideo open interface. It is used in combination with one or more client applications, such as the PC Call Station Client and the PC Telephone Interface Client, handling all operational requests. The PRS‑SWCS PC Call Server is configured via an included PC Call ...

• Serves multiple Call Station Clients and/or Telephone Interface Clients
• Controls multiple Network Controllers in extended systems
• Includes a license for a single Network Controller
• Controls user access with selectable rights per user

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PRS‑CSC PC Call Station Client

The PRS CSC PC Call Station Client is a client of the PRS SWCS PC Call Server and must be used in combination with the PRS SWCS PC Call Server. It operates with Windows XP or Vista and can be used on the same PC as the PRS SWCS PC Call Server or on different PCs. An almost unlimited number of PRS CSC PC Call Station Clients can be installed and used under the same license.

• PC interface for operators with synoptic view of zone locations in tabbed windows
• Configurable access for different users
• Call and BGM control
• Support for multiple network controllers as one system

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PRS‑xPxxx and LBB 4428/00 Power Amplifiers

There are four types of Power Amplifier units in the Praesideo product range. These differ in the number of amplifier channels per frame: one, two, four, or eight. The overall power rating is 500 watts for all of the amplifiers. The Power Amplifiers can be set to 100 V, 70 V and 50 V output tappings. They have short-to-ground and short-circuit detection functions, and can generate their ...

• 1, 2, 4, or 8 audio outputs (selection from 100 / 70 / 50 V outputs)
• Audio processing and delay for each amplifier channel
• Amplifier supervision and spare amplifier switching
• Loudspeaker line and loudspeaker supervision (LBB 4428/00 only line supervision)

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PRS‑xBxxx Basic Amplifiers

The basic amplifiers are cost effective alternatives to the regular Praesideo power amplifiers, for situations where no built-in digital signal processing functions, such as equalizers, delay and AVC are required. They do not have a Praesideo network connection. Instead, these amplifiers are connected to the Praesideo network via the PRS-16MCI Multi Channel Interface, which provides the ...

• High efficiency class-D amplifier channel(s)
• Switched mode power supply
• Local audio inputs
• Mains and battery operation

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PRS‑16MCI Multichannel Interface

The PRS-16MCI is part of the Praesideo network and acts as an interface to the Praesideo basic amplifiers that do not provide network connectivity. The unit is intended for public address and emergency sound systems. The multichannel interface provides 16 configurable output channels (14 main outputs and two spare outputs). It provides the audio signals to the basic amplifiers and has full ...

• Interface to Praesideo basic amplifiers
• Up to 16 audio channels
• Redundant fiber optic network connection
• Control input and output connections

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LBB 4430/00 Call Station Basic

The call station basic can make manual or pre-recorded announcements to any pre-assigned zones. The call station basic has a microphone on a flexible stem, a push-to-talk button, a speaker, and a headset socket. The LBB 4430/00 can be extended with up to 16 keypads (LBB 4432/00 or LBB 4434/00), each with eight programmable keys. Extension with a numeric keypad (PRS‑CSNKP) is also possible.

• Redundant network connection
• Power ‘ON’ indication
• Status/fault indications
• Indication that the priority level of destinations is higher than that of the pending announcement

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LBB 4432/00 Call Station Keypad

The call station keypad is used in combination with the call station basic to make manual or pre-recorded announcements to any assigned zones, to select the zones or to execute pre-defined actions. The call station keypad has eight programmable buttons, each with a two-color status LED.

• Eight freely programmable selection keys
• Serial data and power interface to call station basic
• Up to 16 keypads can be connected to one call station basic
• Activation indicator for each key

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LBB 4404/00 CobraNet Interface

The PRS CSC PC Call Station Client is a client of the PRS SWCS PC Call Server and must be used in combination with the PRS SWCS PC Call Server. It operates with Windows XP or Vista and can be used on the same PC as the PRS SWCS PC Call Server or on different PCs. An almost unlimited number of PRS CSC PC Call Station Clients can be installed and used under the same license.

• Four CobraNetTM audio inputs
• Four CobraNetTM audio outputs
• Eight supervised control inputs and five control outputs
• Redundant Praesideo network connection

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