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Post subject: Sound systems and Fender
Posted: Mon Nov 05, 2007 10:35 am
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Hello experts. I play on a worship team at my church and oversee the sound system in the church. One of our guitar players has a great Fender Tele, American made that produces a buzz in our sound system. We've swapped cables, direct boxes, played with EQ and basically done just about everything that we can think of to do in order to eliminate the buzz. Most other guitars don't cause any issues with our sound system.

Does anybody have any advice? Anything that we can try to eliminate the buzz? Is there anything that needs to be done to the guitar to help this?


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Posted: Mon Nov 05, 2007 11:19 am
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I know I'm hard on the Mexican made ones, but that's the same problem I had.

1. I'd recheck the soldier's on the tele first...and ask if it does it on his amplifier....if not:

2. Cables: Have you used one with a hard condensor?

3. Do an impedance check on the output of the guitar.

4. For $49 get a Furman electro and ground station...it will handle eight plug ins to clean up the problem.


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Posted: Mon Nov 05, 2007 11:25 am
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I forgot>...if you add any other guitar to it, using the same combination...is there a problem? If so, you may have an amp situation to address...or need a pre amp on one of the imputs...

how about a decent pre amp with noise reduction?..

I'd opt for a music store that would let me 'try on' a filter first for the units...and go from there if nothing was wrong with the tele set up.

Everyone forgets about grounding...in your church you should have an electriction...have him set up a good ground or seperate one for your stage with it's own grounding system....there are a lot of variables reguarding any feedback or impedance questions.


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Post subject: Sound systems and Fender
Posted: Mon Nov 05, 2007 12:08 pm
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Thank you Jozluck, that's good advise.

We did have an electrician wire up a seperate grounded curcuit for the sound system when we installed it. We also have Furman power conditioners in the racks in the sound room. This guitar would be through a direct box, through a 150' snake to the board. Other guitars don't seem to cause any problems.

I don't know if this one buzzes through his amp. I'll check that tonight. We also haven't thought about the solder joints or impedance check. those are things that we will pursue.

I did swap cables, direct box and channel with him last week. The problem followed the guitar, my Schecter was still fine.

I'm not sure what you mean by a "hard condensor" cable.


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Posted: Mon Nov 05, 2007 2:05 pm
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There is a cable end you can purchase or cable which has a 'capacitor'..sorry not condenser..in it...

He may try purchasing some 'shielding paint' for the electronic cavities. Most commercial guitars for professional use have shielded compartments...'rack' equipment seldom does....and most use a 'braided and shielded' ground Impute wire for the Jack...... a ' Switch Craft' jack may work better.

I noticed the Fenders do not 'enlarge' their ground leads ID...for some reason. I worked with the Industrial Electrician when I was a kid in Pops plant and he always put the id of the ground wire larger at it's last connection to impute source...when more than one 'lead' came into it on testing equipment, etc. He said most people assume there is a 'equal' ground size for all wireing and that's not ture, especially on small electronics...-I don't know what the heck he ment when he got into reducing impediance variations, etc... ...just one of those things I never forgot....and it worked well on my tele....


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Posted: Mon Nov 05, 2007 3:32 pm
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Its the ground, most likely. For a simple test, plug the PA in with one of those adapters that covert the three prong to a two prong. It takes the ground out of the picture for both the PA and the guitar. Those converters are getting hard to find, so you can just break the ground prong off of an extension chord. Don't use this permanently, its just a test!! If that takes away the buzz, then you have a grounding issue in the guitar. In order to cure this, I solder on a ground wire connecting all three pots, the bridge and the body. I hope this helps.


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