Make sure it reaches 160 degrees or it might make you sick.
Stuffing the inside of a hollowbody Gretsch
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- Rated: 57 ↑
Nov 18, 2008 11:19 a.m. Curt:
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Nov 18, 2008 11:28 a.m. fauves:
I once (in my youth mind you) read how Billy Duffy filled his falcons with foam to cut feed back. Not having the good sense given a goldfish I put insulation foam in a old harmony! what a disaster! Yes, I had been drinking....
If you are going hyper distorted a la psycho billy madness. The foam used for furniture avail at most upolestery or craft stores will work. but, I am now in the camp of dont do it.
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Nov 18, 2008 11:37 a.m. jose:
Any more famous player stuffing his Gretsch?
Malcom Young stuff the pick up cavities of his Firebird Jet with socks but being a solid body, this a different history.
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- Rated: 93 ↑
Nov 18, 2008 11:46 a.m. Pappy:
There are ways beyond stuffing your guitar to eliminate feedback, from putting a blocker in front of your amp, to maybe even turning the amp to face a direction that isn't facing the same way you are. Also there's where YOU stand, how loud you're playing, etc. etc.
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- Rated: 20 ↑
Nov 18, 2008 11:46 a.m. truthtellerspook:
jose, sent a PM/email to you.
On the general subject of feedback reduction, which has been a part of this thread, I suggest to those interested in such, before installing post, before cutting f-hole plugs, to get the pickups in that guitar that you really want.
A hollow body can react differently to different pickups, frequency scoops, boosts. Also can be a difference between dual coils that use mounting rings, singles that mount on top. Also between plastic and foam for mounts for those singles.
These variables, interactions of guitar/pickups don't hold true for all, but I've come across a single guitar where they all did.
Get the pickups you want in there, then see where you stand.
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- Rated: 54 ↑
Nov 18, 2008 12:09 p.m. tartan phantom:
Pappy said: Also there's where YOU stand, how loud you're playing, etc. etc.
Cardinal Rule #1 for reducing feedback!
Thanks Pappy!
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- Rated: 53 ↑
Nov 18, 2008 1:58 p.m. Ratrod:
David Lee used to stuff his 6120 with foam.
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Nov 19, 2008 10:39 a.m. jose:
Ok then;
- Duane Eddy stuffed pillows
- Paul Roman glued small wooden blocks
- Reddog, duct tape and clear packing tape over the f holes
- David Lee, foam
thanks giving day coming soon
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- Rated: 212 ↑
Nov 19, 2008 10:44 a.m. Proteus:
The black flip-flop plugs are a completely serious solution.
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Nov 19, 2008 11:08 a.m. jose:
Proteus said: The black flip-flop plugs are a completely serious solution
I have seen them. I guess Gretsch started to paint the f holes for the same reason.
However, if you have a guitar with faked fs like 1963 Nashville, and you still have feedback, you're going to need some stuffing.
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- Rated: 102 ↑
Nov 19, 2008 11:13 a.m. Setzer:
Jose, I have glued two sound post in my '61 Anniversary. IT gave ME what I wanted, controlled feedback and made the top and back vibrate as one. I inserted two Spruce post through the bridge pickup cavity, test fitting dry at first then glued them in, They can still be knocked out if I so choose.:
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- Rated: 30 ↑
Nov 19, 2008 11:17 a.m. Wishinfora(nother)Falcon:
Somebody (I thought it was Billy Duffy) stuffed theirs with cotton balls.
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- Rated: 102 ↑
Nov 19, 2008 11:22 a.m. Setzer:
Before that I tried foam inserts and black construction paper. This was OK but still did not do the trick. The Anniversary did however take on a sealed top Tenny type tone. I can still insert these into the guitar along with the post that I installed. I may just do that today and play it like that for awhile. The sponge...a car wash version from the Dollar Store is cut in half and is tall enough to press against the top and back and act as a softer brace. You squeeze it in from the F hole and position it under the opening and then slip in the folded piece of black construction paper...a tip from Duane Eddy(and Deed).
Stuff has been done like this for years. You just gotta have the nuts to do it!
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- Rated: 2 ↑
Nov 19, 2008 11:39 a.m. jose:
Hey Setzer!
That's exactly what I wanted to see. Watching your pictures it seems a very easy job and it is a great improvement.
I find it quite odd that two wooden blocks work better than all the foam.
What do the forum experts think? is this just a matter of making the top and back vibrate as one?
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- Rated: 93 ↑
Nov 19, 2008 11:49 a.m. Pappy:
I have complete faith in Setzer's opinion.
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Nov 19, 2008 12:04 p.m. jose:
Pappy said: I have complete faith in Setzer's opinion.
Me too
but I do not catch why two wooden blocks work better than all the foam.
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- Rated: 54 ↑
Nov 19, 2008 1:04 p.m. tartan phantom:
The wooden posts are called soundposts. It's a common luthier construction method that physically connects the top of the instrument to the back. In theory, this allows synchronization of the body vibrations for a clearer, more focused tone. It's primary purpose is not to reduce feedback, but that happens to be one of the beneficial side effects, since the top and back of the instruments are working in harmony to project the sound. The reduction in feedback occurs because top+back = more mass than just the top alone. Therefore, in theory it takes more energy to move them. Soundposts won't eliminate feedback, but they will definitely help. Consider it as a similar principle to using a solid centerblock, but instead of totally killing the resonance (like a centerblock) it simply makes it more focused.
Soundposts have been used in violin, viola, cello, and mandolin construction for many, many years.
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- Rated: 18 ↑
Nov 19, 2008 1:38 p.m. jimmy peters --oldest fart:
paul--what is that round metal object sticking out of the F hole in your bottem picture, some new kind of pup?
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- Rated: 20 ↑
Nov 19, 2008 1:51 p.m. truthtellerspook:
Since the f-hole plug subject has been broached, a link
Necessity was the mother of invention on this one. In a hobby store, Hobby Lobby, looking at foam sheets, foam products for this purpose. They happened to have some cheap flip flops there, presenting the ideal foam.
Hence, flip-flop foam plugs.
Note the carefully designed ridges on the sides that go into the body, arrived at through meticulous trial and error assisted by computer modeling, damping culprit waves in an even fashion to assure a smooth dispersal and reflection of optimal frequencies in the interior of the box that has become an enclosed chamber dedicated to producing the finest sounds possible from your guitar's pickups... that's a joke, folks, a joke.
You can buy foam f-hole plugs (not from me) here.
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- Rated: 2 ↑
Nov 19, 2008 2:04 p.m. jose:
tartan phantom said: that happens to be one of the beneficial side effects, since the top and back of the instruments are working in harmony to project the sound. The reduction in feedback occurs because top+back = more mass than just the top alone. Therefore, in theory it takes more energy to move them. Soundposts won't eliminate feedback, but they will definitely help.
Ok, thanks
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By the way, when I swapped my old pre-fender Filtertrons for tvjones, I noticed at least one post behind the bridge zone of my Tenny. Is it one of these sound posts?
jimmy peters said: -what is that round metal object sticking out of the F hole
I think it is light to take the picture.
truthtellerspook said:Since the f-hole plug subject has been broached, a link
A good example
I had seen them before in black colour.
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- Rated: 20 ↑
Nov 19, 2008 2:08 p.m. truthtellerspook:
You can see the sound post in this one.
It is placed smack dab center under the bridge.
I used only the finest forest product, carefully cured, selected for pristine resonant properties, from people dedicated to the proposition that we all should have the finest sounds available from our instruments, be they violins or guitars.
Meaning I went to the local Home Depot and picked a piece of mystery hardwood dowel without major knots, bug colonies, wood rot.
It is true that the birds go, "cheap cheap," when they fly over my house, but they do stop in to visit.
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- Rated: 32 ↑
Nov 19, 2008 2:23 p.m. cyclopssam:
humm.....? i've yet to open a guitar case& close it due to a burst of ungodly amount of feedback,it's the environment you place it in and or what you plug in to the guitar that's the problem...
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Nov 19, 2008 2:24 p.m. jose:
Yep, thanks for the pictures truthtellerspook
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- Rated: 18 ↑
Nov 19, 2008 8:20 p.m. jimmy peters --oldest fart:
I think it is light to take the picture
you could be right, but knowing PAUL he could be converting this axe to ROCKET POWER.
jimmy
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- Rated: 48 ↑
Nov 19, 2008 9:38 p.m. BillyZoom:
If you don't have a tressle brace, a violin shop can install a sound post under the bridge. It's not expensive, but let them do it. There's a lot of technique involved.
