Testing for rattles

Helpful hints on how to build 'em, and where to get the stuff you need.
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nola50
Posts: 315
Joined: Sun May 14, 2006 11:58 pm
Location: Baton Rouge, LA

Testing for rattles

#1 Post by nola50 »

Is the best way to run test tones at different frequencies and fix what's making the noise?

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Tom Smit
Posts: 7465
Joined: Sat Jan 05, 2008 1:24 pm
Location: Sarnia, Ont. Canada

Re: Testing for rattles

#2 Post by Tom Smit »

Pretty much, yup.
TomS

CoronaOperator
Posts: 1648
Joined: Wed Mar 25, 2009 7:07 pm
Location: Medicine Hat, Alberta, Canada

Re: Testing for rattles

#3 Post by CoronaOperator »

That is exactly how I do it. Turns out after I tested my T-60's that the rattles weren't coming from the subs but rather from the entire stage!

I took a trick out of the plans and am currently installing braces "no more than 8" apart" on the whole 20' x 7' main stage and already did three 4' x 8' risers. I even used PL on everything too!
Image

I'm almost done however I found a whole bunch more rattles coming from the ceiling panels! I might be at this for awhile. :wall: :wall:
Image

If you are only concerned about the speakers, then I use the same tone sweeps/listen/fix technique for those too.
Built:
17" width 10" driver Autotuba
2 x 29" width dual Lab12 Tuba60
6 x DR250 2510/asd1001
In progress:
2 x DR250 2510/asd1001
For best results, point the loud end of the array towards the audience

nola50
Posts: 315
Joined: Sun May 14, 2006 11:58 pm
Location: Baton Rouge, LA

Re: Testing for rattles

#4 Post by nola50 »

OK! I bet using the tone sweep finds lots of stuff to tighten up!

I found a free iPhone Tone Generator app that I'll be using. Just don't use it to annoy those around you!

;)

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