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FDP Forum / FDP Unplugged - Acoustic Instruments / Feedback buster-tight fit

Contributing Member

Delco, PA

"I'll take a simple C to G
Jan 4th, 2017 01:58 PM   Edit   Profile  

Would it be damaging to the wood at the sound hole to use a little Vaseline to help get the 'buster to fit more easily into the hole? Is there a better way? Any help is appreciated.

Thanks you.

Contributing Member

The spotlight

looks like a prison break
Jan 4th, 2017 03:02 PM   Edit   Profile  

Yeah, I wouldn't use that. Try some beeswax, surfboard wax, or paraffin wax instead. Rub it in the sound hole and around the FB and pop it in. You can also soak the FB in hot water to soften it a bit and help it flex as it goes in.

Contributing Member

South Florida

Jan 7th, 2017 10:59 AM   Edit   Profile  

You might try dusting it with a little talcum powder.

Contributing Member

Northeast IL

Not very bright but does lack ambition
Jan 12th, 2017 07:41 AM   Edit   Profile  

I would be very careful using a too-tight feedback buster - you're putting stress on end grain, and I'd be worried about causing a split top. I think you'd do better to somehow reduce the diameter of the feedback buster.


Willoughby, OH , USA

I'm arrogant and a moron
Jan 12th, 2017 11:08 AM   Edit   Profile  

I sometimes use the black rubber one. I had to cut a "pie wedge" out of it to get it to fit oone of my guitars.

Contributing Member

Delco, PA

"I'll take a simple C to G
Jan 14th, 2017 01:52 PM   Edit   Profile  

Thanks for feedback everybody! ; )

Warren Pederson


Apr 17th, 2017 08:43 PM   Edit   Profile  

Could you take some files to the feedback buster instead?

Contributing Member

Delco, PA

"I'll take a simple C to G
Apr 18th, 2017 11:17 AM   Edit   Profile  

Warren, I did indeed use some files to take a bit off. Worked out fine.

FDP Forum / FDP Unplugged - Acoustic Instruments / Feedback buster-tight fit

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