Public Address Systems in Doha Qatar

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PA SYSTEMS Installation Tips for Indoors and Outdoors

Indoor Public Address SystemsInstallations

Rules to follow for successful indoor audio.

1. Don’t set up too many speakers. This will cause echoes, dead spots and oddball reflections. Remember, the presenter is not a stereo sound source. Use only enough speakers to cover the area. Be aware of the coverage with just one speaker. Aim the speakers to cover the crowd without too much overlap. This is very important as the size of the area increases.

2. Use full range speakers for small groups, horns for larger auditoriums. Remember that too much bass will cause a great deal of “boominess” towards the back of the room. That’s great for rock and roll but will be counter-productive where you are trying to sell fine antiques.

3. Elevate the speakers if possible. This will stop the feedback from reflected sound bouncing off the front row and help the folks in the back row hear better.

4. Ring out the system before your event – turn on our sound systems and find out how high you can turn your system with all microphones on (open) before feedback. Turn up the volume while talking until you start hearing a faint ringing sound. Back off the volume a bit and mark that spot on the control. Then, when the event starts, you know where the maximum point is. Remember that the presence of the crowd can affect the actual final point. If you know the limits before you start, the better off you will be.

5. Don’t try to use too many microphones. Every time you double the number of open microphones in the system, you will have to reduce your amplification by 3dB (half as loud as before). For most events 2-3 microphones should be all you need active at any time.

6. Finally, you may have enough gain in the system to be too loud. Remember that hearing comfort is extremely important to your bidders. If your system is too loud, they may leave before the end of the event just to get a break from your PA. The following illustration shows you an actual room where the systems have been set up for maximum gain. This set up will work in rooms that seat up to several hundred people. In
larger indoor spaces, such as warehouses, you can have problems with time delays and echoes similar to those described in the next section, outdoor installations.

Outdoor Public Address SystemsInstallations

1. Keep the microphone as close as possible to the presenter.
2. Set the speakers away from you. Don’t put them too far away or you will get long delays where you say something and the sound is heard ½ to 2 seconds later. Working in an echo chamber is no fun and confusing to the crowd.
3. Keep the speakers as close together as possible. Remember that sound only travels around 1,100 feet per second. If you place your speakers too far apart an echo will result. Ideally the speakers will be right next to each other pointed in different directions where they can be heard anywhere. Each speaker should cover its own unique territory. For example, you have your speakers placed about 225 feet apart. Your customer is standing close to the first speaker. He will hear what you say immediately from the first speaker, but the sound from the second speaker, 225 feet away, won’t get to him until ¼ second later. He hears a confusing and annoying echo. Since he can’t understand the presentation, you have lost your customer and a potential sale.

A Bad Setup
In this set up the speakers are so far apart that the sound is getting to the audience at two separate times. They get a confusing echo about four tenths of a second apart.

A Good Setup
By placing the speakers together, the confusing echo is gone and the speaker can be heard
more clearly. The audience can follow the presentation.

4. Watch which way the wind is blowing. It can blow sound around and interfere just as well as hats, litter and certain species of small dogs. Take advantage of this if you can by pacing speakers upwind if it looks like a windy day. For Source Info, Click Here!

PA-EVAC - PUBLIC ADDRESS EVACUATION SYSTEMS

PABGM

PAGA - PUBLIC ADDRESS GENERAL ALARM

PAGA SYSTEMS

PAVA - PUBLIC ADDRESS VOICE ALARM

PAVA SYSTEMS

Addressable Fire Telephones

All Kinds Of Public Address Systems

AMPLIFIERS

Amplifiers & Speakers )

ASSISTIVE LISTENING SYSTEMS

AUDIO / VISUAL SYSTEMS

COMMERCIAL IP BASED PA SYSTEMS

Conference Systems

EXTRA LOW VOLTAGE PA SYSTEMS

Fire Telephones

Gsm Gateways

Industrial Pa / Ga Systems For Oil & Gas

INSTALLATION AND TESTING OF PUBLIC ADDRESS SYSTEMS

Intercom Systems

Ip Public Address Systems

Ip Video Intercom

LARGE

LARGE / COMMERCIAL IP BASED PA SYSTEMS

PUBLIC ADDRESS / CONGRESS CONFERENCE

Public Address / Heavy Duty Sound Systems

Public Address / Sound Systems

Public Address Equipment

Public Address Systems

Public Address Systems & Equipment

Public Address Systems & Equipment ( Microphones

Public Address Systems & Recorders

Railways Etc

SMALL PA SYSTEMS

SMALL PUBLIC ADDRESSING SYSTEMS

SOUND SYSTEMS

SPEAKER SYSTEMS

SPEAKERS

STANDALONE AMPLIFIERS

UNITS & AMPLIFIERS

VIDEO INTERCOMS

VOICE ALARM SYSTEMS

VOICE EVACUATION / PUBLIC ADDRESS SYSTEM

VOICE EVACUATION SYSTEMS

WALL MOUNTED

Find below a list of the top Public Address Systems in Doha, Qatar:

DICOTECH QATAR WLL
Location: OFFICES C - 201 / C - 204, BLDG B - 11, AL SAYER, BARWA COMM AVENUE, INDL AREA,
Phone: 40006999
Timings:8.00AM-6.00PM
Key Personnel:Zuhair Naqvi , M D
OBAEDA M BALEED, G M
KAMRAN ALI KHAN, PROCUREMENT MNGR
ETA POWER TRADING & CONTRACTING WLL
Location: OFFICE 207, BLDG 219, UMM AL DOME ST, MAITHER,
Phone: 41400571;74478824 - B D M
Timings:
Key Personnel:HAIDER ALI, B D M
SYED ABDULLAH, OPS MNGR
CONTROL ELECTRONICS & ELECTRICAL TRADING CO WLL
Location: SHOP 38, BLDG 11, BARWA VILLAGE, AL WAKRAH,
Phone: 40012112;77551067 - MOBILE
Timings:8.00AM-8.00PM
Key Personnel:SHAMEEM, SHOWROOM MNGR
ELSTO ELECTRONICS & ELECTRICAL TRADING
Location: SHOP 42, BLDG 10, BARWA VILLAGE, AL WAKRAH,
Phone: 44757982
Timings:
Key Personnel:MOHD RAHIL, OPS MNGR
SEA QUEEN TRADING & CONTRACTING WLL
Location: OFFICE 13, 1ST FLR, BLDG 73, ABU HAMOUR,
Phone: 44170891
Timings:8.00AM-5.00PM
Key Personnel:THOMAS JOHN, M D
ELECTRA - AL SHAGHAIRI TRADING & CONTRACTING CO WLL (TRADING DIV)
Location: OFFICE C-102 & C-103, BLDG 2, BLOCK 31, SAFWA BLDG, BARWA COMM AVENUE, ABU HAMOUR ,
Phone: 40016386;40052800
Timings:8.00AM-6.00PM
Key Personnel:M N Haris , MNG DIR
RAMACHANDRAN, FIN MNGR
AL MOAYYED COMMERCIAL SERVICES
Location: OFFICE 6, GR FLR, SALATA COMPLEX, BLDG 258, ZONE 40, ST 250, D RING RD, AL HILAL,
Phone: 44375951
Timings:8.00AM-5.00PM : SUN - THUR
Key Personnel:George P John , G M
QATAR SITE & POWER WLL
Location: BLDG 59, ZONE 45, ST 250, D RING RD,
Phone: 44405150
Timings:
Key Personnel:WALID EL KHATIB, G M
AHMAD SAADE, G M
FIRST ADVANCED SAFETY SYSTEMS
Location: OFFICE 20 B, 1ST FLR, AL MIRQAB COMPLEX, BLDG 66, ST 840, AREA 39, FRIL AL NASR,
Phone: 40012127
Timings:8.00AM-5.00PM
Key Personnel:ABDELHAMID FATNASSI, M D
WISSEM AMARA, FIN MNGR
BLUTRONIC WLL
Location: NR TEYSEER SERVICE STATION, SALWA RD ( SALWA SHOP ) ; ST 2, INDL AREA ( INDUSTRIAL AREA SHOP ),
Phone: 44632250;44694440;50037788;50022572
Timings:8.00-12.30/4.00-8.30
Key Personnel:R S KUMAR NAIDU, B D M
BINEESH CHANDRAN, .

PUBLIC ADDRESS SYSTEMS

Find below a list of the top products suppliers of Public Address Systems in Doha, Qatar:

2N
- Ip Video Intercom, Gsm Gateways, Ip Public Address Systems
A E X
-
ACEITES
- Audio Visual Systems, Public Address Systems
AHUJA
- Public Address Systems
AITES
-

APART
- Speakers, Amplifiers, Mikes, Conference Systems
ATEIS
- Public Address Systems, Voice Alarm Systems
ATIES
- Voice Evacuation / Public Address System S
AUCHAN
- Units & Amplifiers
AUDAC
-

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Chantelle D'Mello

Chantelle D'mello is an avid writer with over four years of hard news experience as part of the award-winning Doha News team. She's previously worked at Al Jazeera and the Huffington Post, and hopes to bring her passion for writing to the Qatar Oil and Gas Directory.

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Public Address Systems in Doha Qatar

PA SYSTEMS Installation Tips for Indoors and Outdoors

PUBLIC ADDRESS SYSTEMS

Chantelle D'Mello

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