We are engaged in offering Preside Digital Public Address Systems
Features :
- Fully digital
- High quality products
- Fully supervised redundant system
- Easy installation and maintenance
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.
Features :
- 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
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.
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)
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.
Features :
- Redundant network connection
- Power ‘ON’ indication
- Status/fault indications
- Indication that the priority level of destinations is higher than that of the pending announcement
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 (PRSCSNKP) is also possible.
Features :
- 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
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.
