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FDP Forum / Performer's Corner / So I got a buzzy PA speaker...

mroulier
Contributing Member
**********

Suburban MD.

Are your prayer beads maple or rosewood?
Jun 30th, 2017 05:53 PM   Edit   Profile   Print Topic   Search Topic

It's a Peavey 115 TLS.
There's no tears or visible damage anywhere.
If I apply a bit of pressure on the edge of the speaker, while the speaker is in use, it clears right up.
Any ideas for a fix or should I just replace the basket and speaker?

And since they're a set of two, should I be worried about the other one going anytime soon?

Peegoo
Contributing Member
**********
**********
******

The rain sounds like

a round of applause
Jul 1st, 2017 12:16 PM   Edit   Profile   Print Topic   Search Topic

If the speaker is mounted tightly (the screws are all snug and it's not the basket rattling), remove the speaker and inspect it and the inside of the cabinet for anything loose.

Connect the loose speaker to a sound source and hold it by the magnet as you listen for buzzing. If it does buzz, you may have a loose voice coil that's rubbing in the magnet gap--and that means you need a re-cone. If the speaker is quiet though, it's probably something loose somewhere.

Use your knuckles to rap against the speaker frame and in various places on the cabinet, and listen for buzzes and rattles. Make sure there are no dangling wires in the cab that can come in contact with the speaker basket or cone.



Roly
Contributing Member
**********
**********
*

Whitehorse Canada

I don't get out much
Jul 2nd, 2017 07:59 PM   Edit   Profile   Print Topic   Search Topic

Have a careful look at the spider.
That's that sort of corrugated fabric that connects the center of the cone to the outside edge.
Sometimes the glue can fail and cause the symptoms you describe.

mroulier
Contributing Member
**********

Suburban MD.

Are your prayer beads maple or rosewood?
Jul 3rd, 2017 01:58 PM   Edit   Profile   Print Topic   Search Topic

The surround and cab itself are fine. I did loosen the speaker to get at the back, nothing was loose or otherwise damaged. I was hoping to pull it fully out and test, but wire was too short. Even with the speaker solidly anchored, it still buzzes, except when I dampen the travel with my finger.

I'll check tonight on the magnet part, and I think,I need to shine a light behind it to check for any issues with the cone. BTW, does anyone around here re-cone? Can I take it to Chuck Levin's?

Peegoo
Contributing Member
**********
**********
******

The rain sounds like

a round of applause
Jul 4th, 2017 07:25 AM   Edit   Profile   Print Topic   Search Topic

Right up the road from you in Gaithersburg.

The Speaker Factory

Hammond101
Contributing Member
**********

So. Cal. USA

Jul 12th, 2017 02:20 PM   Edit   Profile   Print Topic   Search Topic

Many Peavey speakers have bolt on baskets/cones. You buy a cone and slap it on the old magnet....done.

BbendFender
Contributing Member
**********

American Patriot

About as ordinary as you can get.
Jul 17th, 2017 06:19 PM   Edit   Profile   Print Topic   Search Topic

Is the 15" a Black Widow?

Tony Wright
Contributing Member
****

Stillwater, OK

I never met a calorie I didn't like.
Sep 12th, 2017 09:52 PM   Edit   Profile   Print Topic   Search Topic

BbendFender...I believe that the 115TLS has a Sheffield Pro 1500 plus woofer.

FDP Forum / Performer's Corner / So I got a buzzy PA speaker...




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