Noise issue at venue

Discussion in 'Amps and Cabs' started by 11justin22, Feb 11, 2012.

  1. 11justin22

    11justin22 Member

    Messages:
    242
    Joined:
    Oct 23, 2008
    I play a mini recto at my church on Sundays, the church is in a school building that is ony a couple of years old. When I plug in there I get awful hiss and buzz from my amp. It only happens there, doesn't do it at my house or at the practice place. I'm thinking it may be the power even though it's a new building. What do u guys do about noise? Would a power conditioner help? If so which one.
     
  2. pbmw

    pbmw Member

    Messages:
    6,237
    Joined:
    Mar 22, 2011
    Location:
    Bremerton, Wa
    There's a dimmer switch somewhere nearby.
     
  3. 11justin22

    11justin22 Member

    Messages:
    242
    Joined:
    Oct 23, 2008
    Now that I think about it there is. I'm guessing that causes hum? Hw do I fix it?
     
  4. Tread

    Tread Member

    Messages:
    2,009
    Joined:
    May 17, 2006
    Location:
    Viginia
    Turn off dimmer switch.
     
  5. 11justin22

    11justin22 Member

    Messages:
    242
    Joined:
    Oct 23, 2008
    Not possible.....
     
  6. pbmw

    pbmw Member

    Messages:
    6,237
    Joined:
    Mar 22, 2011
    Location:
    Bremerton, Wa
    Dimmers are notorious for producing line noise.
    I only have one in my house and we took out all of them in the studio.
    I'm not an electrician but I know there are ways to cure this.
     
  7. axelfoley

    axelfoley Supporting Member

    Messages:
    1,309
    Joined:
    Feb 11, 2009
    Location:
    Northeast
    Tell them to rewire the building or you are out!

    J/k. I have heard that if the switch is either off or on completely you can dodge the noise. Worth a shot.
     
  8. Endr_rpm

    Endr_rpm Member

    Messages:
    2,880
    Joined:
    Oct 30, 2009
    Location:
    St. Louis, MO
    [​IMG]

    In the FX loop? Or the plug version. Otherwise, you're gonna need a power conditioner that is more than a glorified power strip, and those can get pricey.
     
  9. WaterBearOne

    WaterBearOne Member

    Messages:
    74
    Joined:
    Aug 11, 2009
    Location:
    Glenside PA
    Eliminate the guesswork: Do a quick & simple test to determine how & where the noise is getting into your amp:
    - Unplug your guitar cord (at the amp input). With the amp on and at playing volume, is the noise still there?
    If the noise remains with the guitar unplugged, you have a problem with noise on the incoming AC power line, or you have an RF or radiant electrical noise source near your amp that it is picking it up inductively through transformers, internal wiring etc. This type of noise can often be cured with a good quality power conditioner that has noise filtering circuitry (Monster makes some good models). Also, always make sure that the AC outlet you are using has a proper ground connection (get a $5 circuit tester at H. Depot and keep it in your guitar case).

    If the noise goes away when you unplug your guitar - then it is your guitar and not your amp or the AC power line that is the source of the problem. On guitars, usually single coil pickups are the culprit, followed closely by bad guitar cables, poor control cavity & pickup shielding, dirty or loose jacks, etc. As some of the earlier posts indicate, RF and electrical noise often comes from nearby dimmers, fluorescent lights, stage lights' transformers and dimmer packs, etc. Using a guitar with humbuckers can help if it is a pickup issue. Otherwise, here is a great and very thorough summary of how to properly shield a noisy guitar:

    http://www.guitarnuts.com/wiring/index.php
     
  10. 11justin22

    11justin22 Member

    Messages:
    242
    Joined:
    Oct 23, 2008
    It's not the guitar as I use 5 different ones on a regular basis. It hums with all of them.
     
  11. Rockyrollercat

    Rockyrollercat Member

    Messages:
    2,044
    Joined:
    Apr 16, 2010
    Location:
    South Jerrrsey not Noith Jiosey
    Well maybe all 5 guitars have the same problem.
     
  12. Lance

    Lance Member

    Messages:
    9,684
    Joined:
    Feb 28, 2007
    Location:
    SF, CA
    Do you have any Suhrs with the BPSSC noise thing on the back plate? These work well, as long as you have your back to the amp. That, and a good power conditioner should do the trick.
     
  13. GT100

    GT100 Member

    Messages:
    3,068
    Joined:
    Nov 6, 2009
    Location:
    Stygia
    Then turn it all the way up.
    Its the "dim" settings that generate the noise.
    Full on and off don't.

    Lloyd
     
  14. 11justin22

    11justin22 Member

    Messages:
    242
    Joined:
    Oct 23, 2008
    Can't do that because it's the lighting for the "Santcutary". Pastor would have a cow if I told him I needed the lights on cause my amp is humming a little:bonk


    I got a ground lift and an old power conditioner a friend let me borrow I'm going to try in the morning to see if that helps any. Will report back.
     
  15. 11justin22

    11justin22 Member

    Messages:
    242
    Joined:
    Oct 23, 2008
    Well good news and bad. It's not my amp!........it's my pedal board. Unplugged everything and the amp was quiet, plugged board back and hum. It still has something to do with the power as I doesn't do it other locations. Ground lift didn't work and the power conditioner I got was nothing more than a glorified power strip. So I guess I need to find a good power conditioner now....
     

Share This Page