Bosch Pa System Installation Manual

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To be truly effective, a public address and emergency sound system must deliver exceptional performance and reliability. The company has provided systems and components for major transportation terminals, houses of worship, public buildings, office buildings, schools and shopping malls around the world. Portfolio at a glance PRAESENSA IP-connected and fully-featured PRAESENSA is the latest Public Address and Voice Alarm System from Bosch All components of the system are networked, thereby ensuring the highest flexibility and scalability from small centralized to large decentralized systems. The OMNEO IP architecture supports DanteTM audio networking, AES67 and AES70 protocol. The innovative multi-channel amplifier architecture with intelligent power allocation significantly improves the effective utilization of available power, regardless of the loudspeaker load in each zone. Other powerful features like full network link redundancy and intuitive call station interface complete the system. PRAESENSA is a comprehensive system that adapts easily to changing needs. Compliant to the highest standards, it is a fit-for-purpose solution for consultants, installers and building owners alike. PRAESENSA, connecting all the dots. Fully certified according to EN54-16, it is the ideal choice for public announcements, scheduled events, background music, voice evacuation, and other applications that require operational versatility, superb sound quality, and absolute clarity. Learn more about PRAESIDEO PAVIRO Flexibility right from the start PAVIRO Public Address and Voice Evacuation System with Professional Sound Quality PAVIRO is a unique, high-quality Public Address and EN54-certified Voice Evacuation System that also delivers professional quality sound, thanks to its premium 24-bit digital processor, superior digital-to-analog converters, and outstanding Signal-to-Noise Ratio (SNR).
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Its highly adaptable system architecture makes it ideal for small- to mid-sized offices, regional airports, mid-sized hotels, factories, schools, and department stores. Learn more about PAVIRO PLENA matrix Surprisingly flexible. Powerful control. PLENA matrix Digital Sound System The advanced features of the PLENA matrix Digital Sound System enable users to achieve superb audio performance with wireless control across up to eight output zones. Learn more about PLENA matrix PLENA VAS The fast route to safety PLENA Public Address and Voice Alarm System The PLENA Public Address and Voice Alarm System range is an ideal evacuation, message and background music solution for a variety of locations, such as schools, hotels, shopping centers, factories, offices and similar applications where public safety is essential. Go to product catalog PLENA Solutions A flexible approach to sound management PLENA Public Address Solutions PLENA Public Address Solutions can be used to tailor virtually any public address system to the precise needs of small-to-mid-sized locations. It can develop to an extensive, multi-zone public address configuration with digital messaging, automated functions and additional power capability PLENA Easy Line Sound management made easy PLENA Public Address Easy Line PLENA Public Address Easy Line is an intellligent plug-and-play solution for quality music and outstanding speech intelligibility thanks to one-zone or two-zone options. The system can be tailored to any small-to-midsized location depending on sound system requirements and voice announcement capabilities. Loudspeakers First-rate solutions for every audio application Loudspeakers As a leading global player in the design and manufacture of public address systems, Bosch offers a wide range of loudspeakers that form part of these systems.
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It has a first-rate loudspeaker solution for every audio application, including EN54-24 certified voice alarm, speech and background music, as well as foreground music and professional audio. The portfolio includes: Cabinet Loudspeakers, Column Loudspeakers, Active Line Array’s, Ceiling Loudspeakers, Sound Projectors and Horn Loudspeakers Go to product catalog Microphones High-quality speech intelligibility Microphones Our Microphones offer impressive audio performance for public address and many other applications. The portfolio includes: Omnidirectional dynamic hand held microphones, Unidirectional hand held and gooseneck microphones, Gooseneck condenser, microphones, Wireless handheld microphones, receivers and belt packs, Lavelier and head-worn microphones, Microphone accessories Go to product catalog Technologies OMNEO Media Networking Architecture OMNEO is an architectural approach to connecting devices that need to exchange information such as audio content or device control. Built upon multiple technologies, including IP and open public standards, OMNEO supports the technologies of today - such as Audinate’s Dante - while adopting the standards of tomorrow. OMNEO offers a professional-grade media networking solution that provides interoperability, unique features for easier installation, better performance, and greater scalability than any other IP offering on the market. OMNEO at a glance Videos OMNEO PAVIRO OMNEO Media Networking Architecture Bosch Security YouTube channel Bosch Security - PAVIRO Public Address and Voice Evacuation System with Professional Sound Quality Bosch Security YouTube channel Brochures Public Address portfolio Overview Brochure Download PDF PRAESIDEO Get all messages across, no matter what Download PDF PAVIRO Flexibility right from the start Download PDF PLENA matrix Surprisingly flexible. Powerful control.
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Download PDF Compact Sound Compact Sound Loudspeaker System Download PDF LC20 Premium Ceiling Speakers The State of the Art in Ceiling Sound Download PDF LC4 Wide Angle Ceiling Loudspeaker Most compact. The alert type is closely related to the effect that may be caused 1. 1 Purpose when it is not observed. Metric units can be converted to non-metric units using the information provided below. The canteen, assembly hall, playing fields and corridors typically require more loudspeakers per zone. An additional Plena booster amplifier is used as a spare amplifier. Each call station can be assigned a priority level between 1 - 6. If a Plena Voice Alarm System serves more than 6 zones, it is. For the contents of these 4. 1 Introduction boxes, see table 4.1 and table 4.2. Message Assigns a message(group) as a. The trigger figure 4.14). The emergency state is entered when controller using a CAT-5 twisted pair RS-485 cable with the EMG button is pressed (see section 6.6) or when an. Routers and RCPs are. Note For a correct impedance supervision: 5.3.3. 1 0 Internal booster supervision Do not connect more than 5 loudspeakers to If supervision is enabled (see section 5.3.3), the internal. Press the Zone select button to Select Zone select start distributing BGM to that zone. Note that the green LED next to the button is turned OFF. Alert message All call Alarm message Indicator test EMG mic figure 6. 1 6: Alert message button and indicator figure 6. If a system fault is persistent, contact your dealer. 7. 1 Introduction Fault Indicators Disabled In accordance with IEC60849, the international 0 dB. This fault should not occur, is detected.CAT-5 Acknowledge A category-5 cable is designed to have a nominal Faults and EMG triggers should first be manually characteristic impedance of 100 Ohms. If a supervised function fails, the system automatically enters the fault state. The integrated beeper starts, A Personal Computer, running the Configuration.
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Each zone can be individually addressed by the controller. Zone group A group of zones. The user can configure any combination of zones into zone groups. Keep away from children. If ingested, high risk of chemical burn hazard.Any such changes or modifications may void the user’s authority to operate the equipment.Related documentation The Bosch PRAESENSA technical documentation is set up in a modular way addressing different stakeholders. Installer System integrator Operator Quick installation guide (QIG).This is illustrated by the fact that PRAESENSA devices are quite unique in that they may be operated at altitudes of up to 5000 m (16404 ft), an important requirement in Peru, Chile, India, China and other countries. Access to system functions and areas can be configured per call station, to provide exactly the functions the operator needs, not more, not less. PRAESENSA allows for future changes to the areas covered by the system, with minimal or no equipment changes. Thus, initial planning is less sensitive to later small changes, which could impact profitability. Especially children may not get access to this equipment. These cabinets can be at one central location or decentralized, servicing a larger area. All PRAESENSA equipment can be located anywhere in the equipment rack.Caution! The rack must be grounded to a safety ground. All PRAESENSA 19”-devices have a chassis ground screw on the rear panel, which can be used for a wire connection to the rack frame. As a result, the underlying network needs to be configured correctly. If the network is not functioning properly, the audio equipment will not function properly either. But it is as easy to position equipment in smaller clusters on different locations in order to keep loudspeaker lines short, saving on cost and reducing power losses in the loudspeaker cabling. By default the receiver latency is set to 10 ms as a compromise between latency and network efficiency.
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Not all Ethernet switches can be used for PRAESENSA (or any other system that is based on Audio over IP).All PRAESENSA devices have this fallback mechanism disabled to allow RSTP to work properly. 4.6.10. An audio stream of a call station can be received by multiple amplifiers to play out in connected zones. Even during an announcement it is possible to add zones to that call by subscribing the appropriate amplifiers to the already existing multicast stream. An even higher level would not be very useful because PRAESENSA is a Voice Alarm system, and the loudness of an alarm tone should not be significantly higher than the loudness of the voice signal, otherwise the voice signal would be perceived as softer and not very clear. PRAESENSA encourages to use a distributed system approach, in order to minimize expensive (fire resistant) loudspeaker cabling, therefore each multifunction power supply uses its own battery. The power consumption of the relays of the control outputs is insignificant.Consider a PRAESENSA system with a battery capacity that is sufficient for 24 h operation in quiescent mode, followed by 0.5 h operation in alarm mode. In quiescent mode the discharge current will be around half of the nominal current and a typical VRLA battery then has an effective capacity of 110 of the nominal capacity. In this case the system controller PRA-SCL and Ethernet switch PRA-ES8P2S can be powered from a PRA-PSM48 power supply module. This power turns into heat. The same is true for the call stations, but they are typically placed outside the technical room and do not contribute to heat production in the room. It is easiest to incorporate the losses of the power supplies into the power dissipation data of the amplifiers. Because the normal situation is that the system is running from mains power, this is the operational mode to consider for heat calculations. Because of this, devices can easily be connected to a switch port of another device.
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Devices are then cascaded or looped through. In PRAESENSA the relevant portion for hop counting is the network path between the root (the system controller) and any possible end point via the shortest path. The green LED will blink when the device is in identification mode during configuration. It supervises and plays back messages and tones, stored on its flash memory, either scheduled or manually started from a call station or PC. The PRAESENSA system controller can either encrypt up to eight incoming streams to dynamic secure OMNEO streams, or decrypt up to eight dynamic secure OMNEO streams to outgoing streams, or a mix of both with a maximum of eight. If required, refer to: System introduction, page 13.Use an SD memory card with a maximum size of 32 GB. Disable write-protection of the card. Insert the SD memory card in the slot.If the system controller is part of a certified emergency sound system, it must be powered from a PRAESENSA multifunction power supply. In case the system controller and the power supply are mounted in two different racks, double supply connections must be made. The device can be connected everywhere within the PRAESENSA system. If required, refer to: System introduction, page 13. 8.5.1 Parts included. The rack frame must be grounded to safety ground. The maximum current rating of the supply connectors is 15 A; only use a 48 V power supply that is current limited to The second port of the amplifier can be connected to a subsequent PRAESENSA device. The built-in Ethernet switch allows for a loopthrough interconnection between system devices, with a maximum of 21 devices in series. The device can be connected everywhere within the PRAESENSA system. If required, refer to: System introduction, page 13. 9.5.1 Parts included. The rack frame must be grounded to safety ground.
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The maximum current rating of the supply connectors is 15 A; only use a 48 V power supply that is current limited to The second port of the amplifier can be connected to a subsequent PRAESENSA device. The built-in Ethernet switch allows for a loopthrough interconnection between system devices, with a maximum of 21 devices in series. It can also be reduced in size to fit most cable junction boxes. No tools are provided with the device.Caution! When PRA-EOL devices are mounted at a height above 2 m from the ground, special care should be taken to avoid that a device falls and may hurt a person. It can be used in a centralized system, but it is an enabler for decentralized system topologies with several smaller racks or cabinets located across the premises, to reduce loudspeaker cabling costs significantly. The device can be connected everywhere within the PRAESENSA system. If required, refer to: System introduction, page 13. 11.5.1 Parts included. A 100 A fuse (model CF8) (M) must be used in series with the positive (red) cable (N) of the battery. It is recommended to mount the fuse at the battery side (see chapter below), immediately at the positive battery terminal. This stage will recharge batteries that are severely drained.In this stage 3, the battery status LED is steady green. Insert the connector of the battery temperature sensor assembly (J) into the temperature sensor connector socket of the power supply.This is especially useful when the amplifiers and the power supply are not in the same rack and the power supply cable is accessible or vulnerable. This is especially useful when the system controller and the power supply are not in the same rack and the power supply cable is accessible or vulnerable. A PRAESENSA call station has two Ethernet ports and can be connected with two cables for fail safe cable redundancy.
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It is also possible to connect a call station to two separate multifunction power supplies for additional protection against failure of its Ethernet switch. Configuration is described in the PRAESENSA configuration manual. PRA-. The light source in fiber optic cables may cause eye injury.In case no interconnection supervision is configured, just use a switch or a relay output from another system for activation. With only one port connected to a PSE, there is no connection redundancy. By connecting a cable to this input the radiated emission of the device would exceed the limit for the maritime radio band.This makes the frequency response more flat between 300 Hz and 6 kHz. See the PRAESENSA configuration manual for details on how to get to the audio options in the configuration. Each button has two additional indicators for user feedback, related to the configured functionality of that button. For the call station, the cable cover also prevents access to the Reset switch.Then print on paper and cut to size.Mount the cover back on the extension body by first sliding the bottom side into the body, then tilt down until it snaps into place.The PRA-ES8P2S is not a native OMNEO device and a connection between two of these switches is not supervised. This switch does not communicate via OMNEO to the PRAESENSA system controller. It is compliant with IEEE 802.3z Gigabit Ethernet standards for maximum performance, reliability and flexibility. Tilt the device upwards. Release the latch, and pull the device from the rail.The output voltage can be adjusted upwards to 28 V or 56 V with the front side potentiometer, but for use with PRAESENSA keep the power supply at 24 V or 48 V. The green LED DC OK displays the correct functioning of the output. The device has a short circuit and overload protection and an overvoltage protection. But even if such a device is connected as an endpoint, the maximum number of audio channels on the network must be taken into consideration.
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Do not use these kind of range extenders for PRAESENSA because they have too much packet arrival jitter and do not support PTP for synchronization of audio devices. For the same reason Wi-Fi or other wireless interfaces cannot be used. Make sure that no 3rd party Ethernet switch is used with default settings, because it will have a higher priority than the PRAESENSA devices or switches and thus take the role of spanning tree root bridge. Operate devices within specifications When designing the PRAESENSA system, Bosch largely avoided using wear parts. The parts subject to wear and tear are dimensioned to last longer than the lifetime of the products when they are operated normally. The required actions differ per type of product. Connect a (laptop) PC to the new amplifier. Start the PRAESENSA Firmware Upgrade Tool (FWUT) and upgrade the new amplifier to the required firmware version; this is the same version as the original amplifier was using. Connect a (laptop) PC to the new multifunction power supply. Start the PRAESENSA Firmware Upgrade Tool (FWUT) and upgrade the device to the required firmware version; this is the same version as the original device was using. Start the PRAESENSA Firmware Upgrade Tool (FWUT) and upgrade the new the new call station to the required firmware version; this is the same version as the original call station was using. A system comprises several system elements, or devices.See section System size limits, page 28. Then the VACIE rack label that is delivered with the PRAESENSA system controller must be affixed to the door of the rack containing the system controller. For the musical group, see Public Announcement (group). It increases the apparent volume (loudness) of a human voice, musical instrument, or other acoustic sound source or recorded sound or music. PA systems are used in any public venue that requires that an announcer, performer, etc.

Typical applications include sports stadiums, public transportation vehicles and facilities, and live or recorded music venues and events. A PA system may include multiple microphones or other sound sources, a mixing console to combine and modify multiple sources, and multiple amplifiers and loudspeakers for louder volume or wider distribution.PA systems with many speakers are widely used to make announcements in public, institutional and commercial buildings and locations—such as schools, stadiums, and passenger vessels and aircraft. Intercom systems, installed in many buildings, have both speakers throughout a building, and microphones in many rooms so occupants can respond to announcements. PA and Intercom systems are commonly used as part of an emergency communication system.Megaphones are typically portable, usually hand-held, cone-shaped acoustic horns used to amplify a person’s voice or other sounds and direct it towards a given direction. The sound is introduced into the narrow end of the megaphone, by holding it up to the face and speaking into it. The sound projects out the wide end of the cone. The user can direct the sound by pointing the wide end of the cone in a specific direction. In the 2020s, cheerleading is one of the few fields where a nineteenth century-style cone is still used to project the voice. The device is also called “speaking-trumpet”, “bullhorn” or “loud hailer”.Seventy-two loudspeakers were strung in pairs at forty-foot (12 meter) intervals along the docks, spanning a total of one-half mile (800 meters) of grandstands.The microphone had a metal reflector that concentrated the sound waves, allowing the speaker to stand back so it wouldn't obscure his or her face. The early vacuum tubes couldn't produce much gain, and even with six tubes the amplifier had low power. To produce enough volume, the system used a horn loudspeaker.

The cylindrical driver unit under the horn contained the diaphragm, which the voice coil vibrated to produce sound through a flaring horn. It produced far more volume from a given amplifier than a cone speaker. Horns were used in virtually all early PA systems, and are still used in the 2010s in most systems, at least for the high-range tweeters. Over the next two years they developed their first valve amplifier. As with the San Francisco installation, Jensen supervised the microphone and Pridham the loudspeakers.These large PA systems and movie theatre sound systems were very large and very expensive, and so they could not be used by most touring musicians. Previously, amplifiers required heavy multiple battery packs.Electric megaphones use a type of horn loudspeaker called a reflex or reentrant horn. Small handheld, battery-powered electric megaphones are used by fire and rescue personnel, police, protesters, and people addressing outdoor audiences. Larger electric megaphones may have a microphone attached by a cable, which enables a person to speak without having their face obscured by the flared horn.PA systems of this type, often providing 50 to 200 watts of power, are often used in small venues such as school auditoriums, churches, and coffeehouse stages. Small PA systems may extend to an entire building, such as a restaurant, store, elementary school or office building. A sound source such as a compact disc player or radio may be connected to a PA system so that music can be played through the system. These may also be used for by people addressing smaller groups such as information sessions or team meetings. Battery-powered systems can be used by guides who are speaking to clients on walking tours.Usual input include microphones for speech or singing, direct inputs from musical instruments, and a recorded sound playback device.

In non-performance applications, there may be a system that operators or automated equipment uses to select from a number of standard prerecorded messages. These input sources feed into preamplifiers and signal routers that direct the audio signal to selected zones of a facility (e.g., only to one section of a school). The preamplified signals then pass into the amplifiers. This control equipment is also used to separate zones in a PA system. The loudspeaker converts electrical signals into sound.A large PA system may also be used as an alert system during an emergency.In other systems, paging equipment is not built into the telephone system. Instead the system includes a separate paging controller connected to a trunk port of the telephone system. The paging controller is accessed as either a designated directory number or central office line. In many modern systems, the paging function is integrated into the telephone system, so the system can send announcements to the phone speakers.Many schools and other larger institutions are no longer using the large, bulky microphone PA systems and have switched to telephone system paging, as it can be accessed from many different points in the school.Network-attached amplifiers and intercom units are used to provide the communication function. At the transmission end, a computer application transmits a digital audio stream via the local area network, using audio from the computer's sound card inputs or from stored audio recordings. At the receiving end, either specialized intercom modules (sometimes known as IP speakers ) receive these network transmissions and reproduce the analog audio signal.At the transmission end, a PSTN Telephone, mobile phone, VOIP phone or any other communication device that can access and make audio calls to a GSM based mobile SIM card can communicate with it.

At the receiving end, a GSM transceiver receives these network transmissions and reproduce the analogue audio signal via a Power Amplifier and speaker. This was pioneered by Stephen Robert Pearson of Lancashire, England who was granted patents for the systems, which also incorporate control functionality. Using a WMT (GSM) network means that live announcements can be made to anywhere in the world where there is WMT connectivity. The patents cover all forms of WMT i.e., 2G, 3G, 4G. xxG. A UK company called Remvox Ltd (REMote VOice eXperience) has been appointed under license to develop and manufacture products based on the technology.These are linked to train describers, which state the location of rolling stock on the network from sensors on trackside signaling equipment.The Front of House speakers are elevated to prevent the sound from being absorbed by the first few rows of audience members. The subwoofers do not need to be elevated, because deep bass is omnidirectional. The adjustments to the monitor speaker mix may be made by a single audio engineer using the main mixing board, or they may be made by a second audio engineer who uses a separate mixing board.Each system consists of a mixing board, sound processing equipment, amplifiers, and speakers. The microphones that are used to pick up vocals and amplifier sounds are routed through both the main and monitor systems. Audio engineers can set different sound levels for each microphone on the main and monitor systems. For example, a backup vocalist whose voice has a low sound level in the main mix may ask for a much louder sound level through her monitor speaker, so she can hear her singing. The monitor system in a large club may provide 500 to 1000 watts of power to several foldback speakers; at an outdoor concert, there may be several thousand watts of power going to the monitor system. The sound equipment moves from venue to venue along with various other equipment such as lighting and projection.

It often sounds like a loud high-pitched squeal or screech, and can occur when the volume of the system is turned up too high. Feedback only occurs when the loop gain of the feedback loop is greater than one, so it can always be stopped by reducing the volume sufficiently.Some 2010s-era mixing consoles and effects units have automatic feedback preventing circuits.Some automated feedback detectors require the user to “set” the feedback-prone frequencies by purposely increasing gain (during a sound check) until some feedback starts to occur. The device then retains these frequencies in its memory and it stands by ready to cut them. Some automated feedback prevention devices can detect and reduce new frequencies other than those found in the sound check.Archived from the original on May 20, 2015. Retrieved May 19, 2015. Retrieved 19 May 2015.Archived from the original on 2015-03-18. Retrieved 25 November 2011. Retrieved 25 November 2011. Retrieved 16 November 2015. Archived from the original on 13 January 2012. Retrieved 25 November 2011. Retrieved 2017-01-25. By using this site, you agree to the Terms of Use and Privacy Policy. Find out more on how we use cookies and how you can change your settings.High power and high performance, EVID is the superior solution to today's installation needs. Installation ManualSafetySystem overviewInstallation ManualPrior to installing or operating products, always read the Important Safety Instructions which. These instructions are supplied together with all equipment that can be connected to theOld electrical and electronic appliances. Electrical or electronic devices that are no longer serviceable must be collected separately andElectrical and Electronic Equipment Directive). To dispose of old electrical or electronic devices, you should use the return and collectionPlease take notice of the safety instructions as printed on the label of the DCNM-WLIION. Battery Pack.