Brunswick Gibson Echo

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AzB Silver Member
Silver Member
I have a Brunswick Gibson 9-footer I bought about 3 years ago that I love. Covered with Simonis 860 and triple-shimmed pockets. There's only one thing that I'm not very happy about: it echoes!

When you place balls on the table or they jump for whatever reason, the sound is more of an echo than the solid-rock sound I hear on most tables (GC's and Diamonds, in particular). I've been wondering why since I got it. Is it because of the type of wood it's made of? (curubixa - Brazilian mahogany)

Is there a way to fix/dampen the echo? (Like maybe gluing some type of material to the underside of the slates: acoustic tiles, styrofoam, plywood, whatever?)

Any ideas?

Thanks in advance.

George in Alexandria, VA
 
Brunswick's slate is a mystery to everyone except Brunswick. I have a problem with a way they classify their sdlate as being "Brunswick Certified". Who is Brunswick to certify anything they would have a vested interest in selling?

I don't have an answer for you but your suggestions seem logical... Try it out.
 
to much difference in the frame thickness and so forth to compare the gibson to a gc or diamond. Trying some styrofoam glued to the state bottom could help. The frame underneath is only 2 inches thick, if the slate has been shimmed up off of the frame a good bit then you would hear an echo so to speak because there isn't as much slate touching the frame so the vibration dampening is not as good. Where as a gold crown has a massive frame underneath. I do have to say that the gibson on my floor and the gold crown both sound the same to me when a ball is dropped on them. The gold crown is setup to play on however the gibson is not.
 
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Thanks for your replies, guys. I might try the styrofoam or acoustic tiles fix.

After NineBallNut's response, I'm wondering if it's just ME! It could very well be that there is no greater echo on my Gibson than a Gold Crown; maybe it's just that I notice it more in my home than I do in a large pool room with other ambient noise. Maybe I should just crank up my stereo!

Anyway, thanks again. If I try the styrofoam or acoustic tile fix, I'll post how it comes out.

George in Alexandria, VA
 
You also could try some dynomat, the stuff they use for car audio sound noise cancellation, that stuff is easy to lay and cut and is made for sound dampening.
 
That's a good suggestion... Its pretty pricey the last time I bought some I paid $130 . It was enough to cover the inside of my trunk. Its was well worth it to me. I have an electronics background and distortion drives me insane. I would have paid $500 and been happy.

I'm willing to bet 9ballnut is right on when he mentioned the table being shimmed. If you can get underneath the table, check and see whats going on. If its shimmed real high you'll see the wedges or shims sticking out or stacked on the inside.

I have seen mechanics take leveling shortcuts and shim the slate only. This can be beneficial in some applications but can also lead to problems if there is too much space between the cabinet and the slate. Echo, slate seams popping, wedges working their way out, unlevel pcs., slate screws not properly mounted, screws stripping etc...

I wouldn't worry unless your tables starts to play different.
 
Thanks for both of those follow-ups. I'll probably try something cheap and easy like styrofoam or acoustic tiles to start. If they make any difference, I might try the dynomat to make it even better.

I've had this table in two different houses, assembled and disassembled by three different mechanics, and it's been pretty much the same each time. It's not as prevalent in it's present location in a room on the ground floor on carpeted concrete. It used to be in a large second-story loft (on carpet) with a very high ceiling, and before it's current location, it was in a room with an exposed hardwood floor. I don't think it's been serviced improperly (nothing noticeable, at least).

Thanks again,
George
 
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