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Public Address Systems in Doha Qatar


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.

  •  AL SAKHOOR TRADING & SECURITY SVCS CO WLL SUPPLIERS IN DOHA QATAR
  • OFFICE EQUIPMENT SUPPLIERS AL MOAYYED COMMERCIAL SERVICES SUPPLIERS IN DOHA QATAR
  • FIRE ALARM MAINTENANCE ADVANCE TECHNICAL SERVICES - ADVANCE FIRE PROTECTION SUPPLIERS IN DOHA QATAR

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.

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  •  21 TRADING CONTRACTING & SERVICES WLL SUPPLIERS IN DOHA QATAR

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!




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

  • UNITED ELECTROMECHANICAL INT'L EST
    Location: VILLA 2, ZONE 23, AL HAMMAD ST 986, FRIJ BIN MAHMOUD,
    Phone: 44479105;44479106
    Timings:8.00AM-5.00PM
    Key Personnel:SALIM HABAYBEH , Mng Dir
    MOAYYAD AL NAJJAR, TENDERS
  • AL JABER SECURITY SYSTEMS
    Location: OFFICE 3, 1ST FLR, BLDG 210, ZONE 43, ST 330, NUAIJA, AL HILAL,
    Phone: 44140477
    Timings:8.00AM-5.00PM
    Key Personnel:RASHAD RAZAK, G M
    ZULFIKAR ALI TAHA, BUSI MNGR
  • CONTROL ELECTRONICS & ELECTRICAL TRADING CO WLL
    Location: SHOP 38, BLDG 11, BARWA VILLAGE, AL WAKRAH,
    Phone: 40012112;77551067 - MOBILE
    Timings:8.00AM-9.00PM
    Key Personnel:SHAMEEM, SHOWROOM MNGR
    ARUN , SALES EXEC
  • 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
  • ZONE TECHNOLOGY WLL
    Location: VILLA 10, AL JAZIRA AL ARABIA ST, FRIJ KHULAIB,
    Phone: 44129215;44215864
    Timings:8.00AM-5.00PM
    Key Personnel:KHALID ALAWA, G M
    SARAVANAN R, SR ENGR
    ABDUL RASHEED , TELECOM ENGR
  • 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 , Gen Mngr
  • FONTAS ENGINEERING TECHNOLOGY WLL
    Location: AL FARABI ST, FRIJ ABDULAZIZ,
    Phone: 44353595
    Timings:
    Key Personnel:NIDHIN CHACKO, SALES MNGR
  • ADVANCE TECHNICAL SERVICES - ADVANCE FIRE PROTECTION
    Location: OFFICE 5, 2ND FLR, BLDG 13, ST 995, ZONE 56, BIN SHEIKH HOLDING, ABU HAMOUR,
    Phone: 44671539
    Timings:7.30AM-6.00PM
    Key Personnel:Rajeev T A , G M
    ARUN B NAIR, OPS MNGR
    RAHUL A THARAKAN, SALES / MKTG MNGR
  • AZIMUTH TRADING WLL
    Location: OFFICE 9, RETAJ BLDG, AL SADD,
    Phone: 50080871 - MOBILE
    Timings:9.00AM-7.00PM
    Key Personnel:SHERIFF NAWAZ DEEN, G M
    H F M RIZAN, ADMIN / ACCTS
  • BLUTRONIC WLL
    Location: NEAR TEYSEER SERVICE STATION, SALWA RD ( SALWA SHOP ) ; ST 2, INDL AREA ( INDUSTRIAL AREA SHOP ),
    Phone: 44632250
    Timings:8.00-12.30/4.00-8.30
    Key Personnel:R S KUMAR NAIDU, B D M
    PREMJITH, .
    BINEESH CHANDRAN, .


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PUBLIC ADDRESS SYSTEMS

Public Address Systems in Doha Qatar


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
    -

    •  AL SAKHOOR TRADING & SECURITY SVCS CO WLL SUPPLIERS IN DOHA QATAR
    • BATTERY SUPPLIERS CONTROL ELECTRONICS & ELECTRICAL TRADING CO WLL SUPPLIERS IN DOHA QATAR
    • CABLE & WIRE SUPPLIERS ELECTRA - AL SHAGHAIRI TRADING & CONTRACTING CO WLL (TRADING DIV) SUPPLIERS IN DOHA QATAR

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


Related Tags:
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Author

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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