PA System Specifications

7/27/2019 PA System Specifications

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THE EGYPTIAN EMBASSYTHE EGYPTIAN EMBASSY______________________________________________________________________________________________________________________________________________________________________________________LUSAKA ZAMBIALUSAKA ZAMBIA

SECTION 13SECTION 13

PUBLIC ADDRESS SYSTEMPUBLIC ADDRESS SYSTEM

1.1. General Features :General Features :

It is required to supply, install, commission and test an integerated public address system and voice alarm &It is required to supply, install, commission and test an integerated public address system and voice alarm & tones to provide all announcements, back ground music to passengers and staff as well as voice alarmtones to provide all announcements, back ground music to passengers and staff as well as voice alarmelement which is connected to a fire detection system for automatic evacuation and alert in fire in arrival &element which is connected to a fire detection system for automatic evacuation and alert in fire in arrival &departure halls and public areas.The system must be capable to be connected via the telephone (PABX)departure halls and public areas.The system must be capable to be connected via the telephone (PABX)facility. The work described in these specifications consists of all labor, materials, equipment and servicesfacility. The work described in these specifications consists of all labor, materials, equipment and servicesnecessary and required to complete and test the system. Any material not specifically mentioned in thisnecessary and required to complete and test the system. Any material not specifically mentioned in thisspecification or not shown on drawings but required for proper performance and operations shall bespecification or not shown on drawings but required for proper performance and operations shall befurnished and installed. The contractor shall submit manufacturers technical product data and cataloguesfurnished and installed. The contractor shall submit manufacturers technical product data and cataloguesincluding specifications and installation instructions for each type of Public Address system equipmentincluding specifications and installation instructions for each type of Public Address system equipmentThe contractor shall submit samples of system component for consultant approval.The contractor shall submit samples of system component for consultant approval.

2.2. General Specifications :General Specifications :

** All components of the system shall be of heighest quality and shall be supplied from manufacturers engagedAll components of the system shall be of heighest quality and shall be supplied from manufacturers engaged in the production and installation of these systems.in the production and installation of these systems.The system shall distribute background music all over the areas of the project. Background music shall beThe system shall distribute background music all over the areas of the project. Background music shall beinterrupted to make announcements in one individual zone or in all zones together through paginginterrupted to make announcements in one individual zone or in all zones together through pagingmicrophones located in selected areas.microphones located in selected areas.

** It's preferable to divide the project into several paging zones according to the attached block diagramIt's preferable to divide the project into several paging zones according to the attached block diagramincluded with the project document.included with the project document.

** Each area shall have its own volume control including announcement override relay.Each area shall have its own volume control including announcement override relay.

** Loudspeakers shall receive announcements regardless of local volume control settings.Loudspeakers shall receive announcements regardless of local volume control settings.** Public address system shall be linked to the telephone system so that an announcement in the public addressPublic address system shall be linked to the telephone system so that an announcement in the public address

system can be made through some specified telephone sets.system can be made through some specified telephone sets.** The system should be easily extended and reconfigured to meet the changing requirements and expansion ofThe system should be easily extended and reconfigured to meet the changing requirements and expansion of

our requirements, to allow for at least 20% spare capacity.our requirements, to allow for at least 20% spare capacity.** Pre- recorded messages for fire or other emergency and standard message can be digitally stored andPre- recorded messages for fire or other emergency and standard message can be digitally stored and

transmitted automatically to the loudspeakers in an emergency case.transmitted automatically to the loudspeakers in an emergency case.** Priority capability up to 28 priority levels using the matrix controller system.Priority capability up to 28 priority levels using the matrix controller system.

** 26 input sources expandable to 32 .26 input sources expandable to 32 .** 16 zone output expandable to 32.16 zone output expandable to 32.** Fault monitoring system, to identify malfunction before a failure occurs to indicate earth faults, line faults,Fault monitoring system, to identify malfunction before a failure occurs to indicate earth faults, line faults,

mains failure, etc.mains failure, etc.

** Noise sensing system to compensate fluctuations in background and get an automatic adjustment of theNoise sensing system to compensate fluctuations in background and get an automatic adjustment of thesound pressure level. Target sound pressue levels need to be at least 6db above back ground.sound pressure level. Target sound pressue levels need to be at least 6db above back ground.

** The equipment main voltage is 220 VAC - 50 Hz battery 24 DC & charger.The equipment main voltage is 220 VAC - 50 Hz battery 24 DC & charger.** All sub-systems must be 19 rack, mounting frame and in modular type.All sub-systems must be 19 rack, mounting frame and in modular type.** Number of zones may be increased, on other hand when more zones will be required, it could be achievedNumber of zones may be increased, on other hand when more zones will be required, it could be achieved

with micro -processor without the need of wiring changes.with micro -processor without the need of wiring changes.** A complete set of the original technical catalogues for the proposed system, should be submittedA complete set of the original technical catalogues for the proposed system, should be submitted

3.3. System Contents :System Contents :

* Main racks .* Main racks .* Power amplifiers.* Power amplifiers.* Graphic equalizer 2/3 Octave.* Graphic equalizer 2/3 Octave.* Ambient noise sensor system.* Ambient noise sensor system.* Matrix Controller System.* Matrix Controller System.* Ceiling loud speakers.* Ceiling loud speakers.* Microphones & microphone pre - amplifier (1,8,16 zones)* Microphones & microphone pre - amplifier (1,8,16 zones)* Column loud speakers.* Column loud speakers.

* Horn loud speakers.* Horn loud speakers.* AM/FM tuner of digital type, complete with antenna & Cables.* AM/FM tuner of digital type, complete with antenna & Cables.* Cassette recorder/player (dual configuration).* Cassette recorder/player (dual configuration).

July 2009July 2009 Spec. Electrical -Spec. Electrical - 11Magdi LotfiMagdi Lotfi

Consultant, Arch,Int, DesignerConsultant, Arch,Int, Designer


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* 5 Disc C.D player.* 5 Disc C.D player.* 24 VDC power supply charger & batteries of free maintenance type.* 24 VDC power supply charger & batteries of free maintenance type.* Telephone interface ..... etc.* Telephone interface ..... etc.

4.4. Technical Specifications:Technical Specifications:

4.14.1 Main Racks:Main Racks:

Equipment rack housings must be made of durable steel rack of rigid construction to suit any 19 rackEquipment rack housings must be made of durable steel rack of rigid construction to suit any 19 rackmounting having wear resistance, gray finish , rack doors, ventilators and power supply unit andmounting having wear resistance, gray finish , rack doors, ventilators and power supply unit andnecessary kits.necessary kits.

4.24.2 Power AmplifierPower Amplifier

*Must have power enough to feed the ceiling loudspeakers and horns.*Must have power enough to feed the ceiling loudspeakers and horns.*Power amplifiers should be protected for overheat as well as short circuit & open circuit conditions.*Power amplifiers should be protected for overheat as well as short circuit & open circuit conditions.

*Frequency band width 40 Hz - 16 KHZ*Frequency band width 40 Hz - 16 KHZ 2 dB at the 1/3 rated power.2 dB at the 1/3 rated power.

*Distortion less than 1% at rated power output.*Distortion less than 1% at rated power output.*Output 100 V line.*Output 100 V line.

*Noise better than -8 dB.*Noise better than -8 dB.*Built in monitoring circuity.*Built in monitoring circuity.*Power requirements 220 V/AC , 50 Hz or 24V DC.*Power requirements 220 V/AC , 50 Hz or 24V DC.

4.34.3 Dual Channel Graphic Equalizer :Dual Channel Graphic Equalizer :

* Featuring 14 bands per channel 2/3 octave, having automatic power muting .* Featuring 14 bands per channel 2/3 octave, having automatic power muting .* Frequency response + 0 dB -1.5 dB, 20 HZ to 20 KHZ.* Frequency response + 0 dB -1.5 dB, 20 HZ to 20 KHZ.* Dynamic range 107 dB.* Dynamic range 107 dB.* Noise less than 0.005%.* Noise less than 0.005%.* Max. Voltage Gain + 12 dB.* Max. Voltage Gain + 12 dB.

4.44.4 The Ambient SensorThe Ambient Sensor

The ambient noise sensor system shall be a designed to electronically adjust the level of a pageThe ambient noise sensor system shall be a designed to electronically adjust the level of a pageannouncement in an area of a building where ambient noise level are continuously changing. The systemannouncement in an area of a building where ambient noise level are continuously changing. The system

shall consist of the control module power supply and up to four (4) microphone modules wired in parallel.shall consist of the control module power supply and up to four (4) microphone modules wired in parallel.

The system shall ensure that page announcements are audible even during periods of high noise levels.The system shall ensure that page announcements are audible even during periods of high noise levels.The frequency response shall be shaped when the signal is boosted so that speech articulation becomesThe frequency response shall be shaped when the signal is boosted so that speech articulation becomes

more intelligible in the high noise area and so that there is no distortion in music reproduction.more intelligible in the high noise area and so that there is no distortion in music reproduction.

The system shall continuously monitor the ambient noise level through the microphone module located inThe system shall continuously monitor the ambient noise level through the microphone module located inthe subject area. The wire run between control unit and microphone module, when composed of 2-the subject area. The wire run between control unit and microphone module, when composed of 2-

conductor AWG 20 , shall be able to reach a length of 2,000 feet with no appreciable loss of signalconductor AWG 20 , shall be able to reach a length of 2,000 feet with no appreciable loss of signalstrength. All wiring connections to the control module shall be made via terminal strips or jacks.strength. All wiring connections to the control module shall be made via terminal strips or jacks.

The microphone module shall include an adjustable mounting bracket for precise positioning.The microphone module shall include an adjustable mounting bracket for precise positioning.The system shall be powered by a 24 volt power supply.The system shall be powered by a 24 volt power supply.

4.54.5 Matrix Controller System Equipment :Matrix Controller System Equipment :

* Description :* Description :

The matrix system is an audio signal routing system designed to perform centralized control ofThe matrix system is an audio signal routing system designed to perform centralized control ofintermediate and large -origination broadcast systems.intermediate and large -origination broadcast systems.

The systems matrix distributes audio signals from remote microphones, automatic announcement, andThe systems matrix distributes audio signals from remote microphones, automatic announcement, andbackground music sources (BGM) to individual outputs according to its software preset conditions andbackground music sources (BGM) to individual outputs according to its software preset conditions andpriorities.priorities.

The matrix should be of modular constructions the pc boards can be combined to provide the best matrixThe matrix should be of modular constructions the pc boards can be combined to provide the best matrixconfigurationconfiguration




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* General Features :* General Features :

- Audio input- Audio input :: Max. 16 inputs including the No. of remote microphone inputs.Max. 16 inputs including the No. of remote microphone inputs.- Audio bus- Audio bus : 16 digital buses (fixed): 16 digital buses (fixed)- Audio output- Audio output : Max. 16 output.: Max. 16 output.- Speaker selector Control output- Speaker selector Control output

( Speaker selector can be controlled to divide output zones smaller)( Speaker selector can be controlled to divide output zones smaller)- Multi - purpose control input- Multi - purpose control input : Max. 128 parallel inputs.: Max. 128 parallel inputs.- Multi - purpose control output- Multi - purpose control output : Max. 128 parallel outputs.: Max. 128 parallel outputs.The matrix system in general feature is consisting of :The matrix system in general feature is consisting of :- Matrix main frames .- Matrix main frames .- Audio input boards (for different sources).- Audio input boards (for different sources).- Audio output boards.- Audio output boards.- Central processing unit (CPU).- Central processing unit (CPU).- Control boards (input & output).- Control boards (input & output).- Remote microphone ........- Remote microphone ........- Remote input panel.- Remote input panel.- Remote output panel.- Remote output panel.

* Specifications:* Specifications:

Power Source :Power Source : 100-120 VA or 220-240 VAC 50/60 HZ.100-120 VA or 220-240 VAC 50/60 HZ.Power ConsumptionPower Consumption max. 100 W.max. 100 W.Operating Temp.Operating Temp. 0-50.0-50.

Audio input :Audio input : Input level odB input impedence 10 KInput level odB input impedence 10 K64 inputs max.64 inputs max.Audio outputAudio output Output level odB output impedence 600 KOutput level odB output impedence 600 K64 inputs max.64 inputs max.

Audio L/D characteristics (line level)Audio L/D characteristics (line level) Freq. Charct. 20-20000 Hz sampling freq. 48 KHZ dynamicFreq. Charct. 20-20000 Hz sampling freq. 48 KHZ dynamicrange > 85 dBrange > 85 dBA/D converterA/D converter 18 bits18 bitsD/A converterD/A converter 20 bits20 bits

BusesBuses 16 digital bus16 digital busRemote mic. InterfaceRemote mic. Interface more than 15 contactable mics.more than 15 contactable mics.

4.64.6 Control PanelControl Panel

** Contains master volume control, treble and base controls, level indicator.Contains master volume control, treble and base controls, level indicator.** Enables up to eight microphone positions selectivity to speak to as many as 16 zones.Enables up to eight microphone positions selectivity to speak to as many as 16 zones.

4.74.7 AM/FM Tuner:AM/FM Tuner:

** Digital type complete with antenna & cables, auto scan tuning, 30 station AM/FM random preset.Digital type complete with antenna & cables, auto scan tuning, 30 station AM/FM random preset.- FM operating range 88-104 MHZ- FM operating range 88-104 MHZ- AM operating range 520 to 1600 KHZ- AM operating range 520 to 1600 KHZ

- Provide an on/off switch and a volume control.- Provide an on/off switch and a volume control.- Pre-set channels.- Pre-set channels.- LED channel indicator.- LED channel indicator.- It shall be connected- It shall be connected

To AM/FM antenna mounted on the roof of the building.To AM/FM antenna mounted on the roof of the building.

SensitivitySensitivity :: FM < 1FM < 1 vv

AM < 20AM < 20 vv

Signal to noise ratio :Signal to noise ratio : FM 75 dB.FM 75 dB.

4.84.8 Dual Cassette Recorder /Player :Dual Cassette Recorder /Player :

* Accept normal, chrome and metal tapes.* Accept normal, chrome and metal tapes.* Auto reverse double cassette deck, 2 channel stereo.* Auto reverse double cassette deck, 2 channel stereo.

* Dual tape counter with memory stop* Dual tape counter with memory stop* Music search system.* Music search system.

* Frequency response 20 HZ -20 KHZ.* Frequency response 20 HZ -20 KHZ.




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* Signal to noise ration 103 dB.* Signal to noise ration 103 dB.* Precision tape counter.* Precision tape counter.* Total Harmonic distortion < 0.008%.* Total Harmonic distortion < 0.008%.* Built in AGC.* Built in AGC.

4.94.9 5 Disc CD Player :5 Disc CD Player :

* 20 bit - 8 times oversampling digital filter.* 20 bit - 8 times oversampling digital filter.* Program playback of up to 20 selections.* Program playback of up to 20 selections.* Frequency response 3 HZ - 20 KHZ.* Frequency response 3 HZ - 20 KHZ.* Signal to noise Ratio 110 dB.* Signal to noise Ratio 110 dB.* Channel separation 105 dB.* Channel separation 105 dB.* Playback begins less than 0.01 seconds after the play button is pressed* Playback begins less than 0.01 seconds after the play button is pressed* The play speed can be adjusted by + 8%.* The play speed can be adjusted by + 8%.

4.104.10 Monitor PanelMonitor Panel

-- Should have aural /visual monitoring for multi channel sound and program systems.Should have aural /visual monitoring for multi channel sound and program systems.-- Large easy to read watt meter for precise visual adjustment of O/P level.Large easy to read watt meter for precise visual adjustment of O/P level.

-- Rack ,ountable .Rack ,ountable .-- Accurate monitoring for system having up to 10 separate program channels or 10 amplifiers.Accurate monitoring for system having up to 10 separate program channels or 10 amplifiers.

4.114.11 Ceiling Loud Speakers :Ceiling Loud Speakers :

* Max. power 9 watts.* Max. power 9 watts.

** Suitable for any depth of ceiling mounting, circular steel bafflers, preferable (fast-fit) sprung loadedSuitable for any depth of ceiling mounting, circular steel bafflers, preferable (fast-fit) sprung loadedfixing tabs for quick fixing.fixing tabs for quick fixing.

* Tapping (1,5 -3 - 4-6-9 watts) from 100 V line.* Tapping (1,5 -3 - 4-6-9 watts) from 100 V line.* Frequency range 70 HZ- 18 KHZ.* Frequency range 70 HZ- 18 KHZ.

* Sound pressure level SPL* Sound pressure level SPL 90 dB/W/M90 dB/W/M* Rated impedance : at 3W power, 3.3 K* Rated impedance : at 3W power, 3.3 K

4.124.12 Horn Loud Speaker :Horn Loud Speaker :

* Aluminium alloy.* Aluminium alloy.* Max. Sound pressure level about 120 dB/W/M.* Max. Sound pressure level about 120 dB/W/M.* Max. Power (RMS) 20 watts.* Max. Power (RMS) 20 watts.

* Freq. Response 300 Hz - 14 KHZ.* Freq. Response 300 Hz - 14 KHZ.* Power taps (6,10,20 watt)* Power taps (6,10,20 watt)* Outdoor use speech /BGM.* Outdoor use speech /BGM.

4.134.13 Column Loud Speaker :Column Loud Speaker :

** Power (RMS) 10-20 watt.Power (RMS) 10-20 watt.** For high power handling as well as minimum distortion and wide frequency range.For high power handling as well as minimum distortion and wide frequency range.** High sensitivity and low loss matching transformer to minimize amplifiers loading and save energy.High sensitivity and low loss matching transformer to minimize amplifiers loading and save energy.

** Shielded magnates allow columns to be located adjacent to monitor screens without effecting theShielded magnates allow columns to be located adjacent to monitor screens without effecting thedisplay.display.

** (For the DOME) Power (RMS) (10-20 W)(For the DOME) Power (RMS) (10-20 W)** Sensitivity (90-96 dB) .Sensitivity (90-96 dB) .** Max. Sound pressure level (100 - 106 dB)Max. Sound pressure level (100 - 106 dB)** There must be tapping in transformer.There must be tapping in transformer.** Must have the facility of internal vibration damping.Must have the facility of internal vibration damping.

4.144.14 Microphone:Microphone:

4.14.14.14.1 Local Paging Micrphone .Local Paging Micrphone .

* Single action input (single zone)* Single action input (single zone)

* Low handling noise.* Low handling noise.* Desk top mounting microphone in program mode unit with gooseneck (dynamic type)* Desk top mounting microphone in program mode unit with gooseneck (dynamic type)* Press to talk button.* Press to talk button.




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* Frequency response* Frequency response 100-10000 Hz100-10000 Hz* Can be remotely operated using additional components .* Can be remotely operated using additional components .* Can be equipped with pre- amplifier and chime.* Can be equipped with pre- amplifier and chime.* Microphone pre- amplifier must be provided.* Microphone pre- amplifier must be provided.* Type : dynamic microphone .* Type : dynamic microphone .Flexible gooseneck.Flexible gooseneck.* Sensitivity - 75 dB.* Sensitivity - 75 dB.

* Freq. response* Freq. response 3 dB (140 HZ - 7 KHZ)3 dB (140 HZ - 7 KHZ)

* Pre Amplifier :* Pre Amplifier :

- Shall be used with the local paging mics.- Shall be used with the local paging mics.- Desk top or wall mounting.- Desk top or wall mounting.- Activates selectable 4 tone, 2 tone and single tone chime.- Activates selectable 4 tone, 2 tone and single tone chime.- Power requirements- Power requirements 12-24 VDC.12-24 VDC.

OutputOutput 0 dB0 dB 6060 balanced.balanced.

4.14.24.14.2 Remote paging Microphone:Remote paging Microphone:

Up to 20 groups of output zone cominations (including sub-channels split by SS) can be registered into aUp to 20 groups of output zone cominations (including sub-channels split by SS) can be registered into a remote miscrophone, each of which can be selected by simply pressing the corresponding group selectorremote miscrophone, each of which can be selected by simply pressing the corresponding group selectorkey. Each group selector key is provided with an indicator lamp to indicate that the zones assigned tokey. Each group selector key is provided with an indicator lamp to indicate that the zones assigned tothat group are accupied by other equipment.that group are accupied by other equipment.

Besides the group broadcast, individual -zone broadcast can also be made from the remote microphoneBesides the group broadcast, individual -zone broadcast can also be made from the remote microphoneby selecting individual output zones. An internal PCM sound source generates four different chimeby selecting individual output zones. An internal PCM sound source generates four different chimetones, allowing a pre-selected chime signal to be automatically sounded before and after antones, allowing a pre-selected chime signal to be automatically sounded before and after anannouncement (automatic chime play). The microphone user can make his or her announcement justannouncement (automatic chime play). The microphone user can make his or her announcement justafter chime play completion because the chime tone can be monitored through the internal speaker. Allafter chime play completion because the chime tone can be monitored through the internal speaker. Allkey operations are supported by the LCD screen to minimize key operation errors.key operations are supported by the LCD screen to minimize key operation errors.

- Power source- Power source 24 VDC24 VDC

- Unidirectional electric condenser type.- Unidirectional electric condenser type.- Provided with chime volume control.- Provided with chime volume control.- Several kind of built in chime with PCM sound source monitored by built-in speakers.- Several kind of built in chime with PCM sound source monitored by built-in speakers.- Connection distance is 1000 m.- Connection distance is 1000 m.- 0-50 operating temperature.- 0-50 operating temperature.

5.5. Network :Network :

System network and all wiring and cabling installation will be according to architect drawings systemSystem network and all wiring and cabling installation will be according to architect drawings systemdesigned and project management in turn it should be itemized in both quantities and prices for each type ofdesigned and project management in turn it should be itemized in both quantities and prices for each type ofcables, cable trays and PVC pipes.cables, cable trays and PVC pipes.

6.6. Pre- Qualification :Pre- Qualification :

All offers should be submitted with the pre- qualification specially in international airports at the publicAll offers should be submitted with the pre- qualification specially in international airports at the publicaddress voice & tones system alarm.address voice & tones system alarm.

7.7. Manufacturing :Manufacturing :

All system equipment must be manufactured in USA, Western Europe or JapanAll system equipment must be manufactured in USA, Western Europe or Japan

8.8. Manuals Documentation :Manuals Documentation :

(3) sets of service manuals containing operation, maintenance and circuit diagram for each item.(3) sets of service manuals containing operation, maintenance and circuit diagram for each item.(3) sets of (AS - built drawings)(3) sets of (AS - built drawings)(3) sets of programming procedure.(3) sets of programming procedure.

9.9. Spare Parts :Spare Parts :

Complete system design should be attached in spare parts complete itemized and price list of sparesComplete system design should be attached in spare parts complete itemized and price list of spares




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sufficient for 5 years operation should be quoted including the following :sufficient for 5 years operation should be quoted including the following :

* Modules / cards forming the whole sub -systems.* Modules / cards forming the whole sub -systems.* 10 % of power amplifiers and mixer / amplifier.* 10 % of power amplifiers and mixer / amplifier.* 20 loud speakers ceiling, two horns, & 4 columns L.S.* 20 loud speakers ceiling, two horns, & 4 columns L.S.* Remote mic.* Remote mic.* Local pagin mic.* Local pagin mic.* (1) microphone one zone 1 wireless mic.* (1) microphone one zone 1 wireless mic.* Two complete sets of consumable spare parts (Knobs, LEDs, Fuses, etc....)* Two complete sets of consumable spare parts (Knobs, LEDs, Fuses, etc....)* One complete set of active components.* One complete set of active components.

10.10. Warranty :Warranty :

2 years.2 years.

N.BN.B

** Tenderer is responsible to manage the system design calculating the total output power required, mixerTenderer is responsible to manage the system design calculating the total output power required, mixerand pre- amplifiers and the loud speakers distribution and quantities as well as zones location.and pre- amplifiers and the loud speakers distribution and quantities as well as zones location.

** The means of connecting the DOME Loud Speakers may be cables or infra red.The means of connecting the DOME Loud Speakers may be cables or infra red.

Battery & Charger :Battery & Charger :

** 24 V DC power supply charger in dual conf.24 V DC power supply charger in dual conf.* NICAD free maintenance batteries.* NICAD free maintenance batteries.

Site Training :Site Training :

For 4 technicians during the installation and commissioning period.For 4 technicians during the installation and commissioning period.

Site Survey :Site Survey :

May be required.May be required.* To determine appropriate selection of loud speakers types and positioning as well as tappings.* To determine appropriate selection of loud speakers types and positioning as well as tappings.* Sound pressure level calculation.* Sound pressure level calculation.* To measure back ground noise to determine the best performance.* To measure back ground noise to determine the best performance.



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PA System Specifications