Super chunk Vs. straddle

mr. torture · 25th July 2007, 11:00 PM

In everyones opinion which is the better method? I don't really know all the numbers based on the two different methods, the only difference I can see is this:

Super Chunk corner - solid 1' of Rigid Fiberglass

Straddle corner - 2" thick bass trap with air gap behind.

Which is the better method? Which has better benefits? Any real world numbers, or is it all speculation?

Thank you

tINY · 26th July 2007, 12:37 AM

Everywhere is a little different. What frequency do your walls resonate at?

A limp mass behind 4" of rockwool may work even better, but it won't be as cheap as filling the corner.

Best thing to do is get a bigger room - say 20' x 33' with sloped ceilings 9-15 feet high .... or bigger.

-tINY

mr. torture · 26th July 2007, 01:25 AM

Quote:

Originally Posted by tINY

Everywhere is a little different. What frequency do your walls resonate at?

A limp mass behind 4" of rockwool may work even better, but it won't be as cheap as filling the corner.

Best thing to do is get a bigger room - say 20' x 33' with sloped ceilings 9-15 feet high .... or bigger.

-tINY

I have a small room, 12' x 15'. So bass build up and modes come into play. I simply cannot afford to build a facility, so my only avenue is to fix what I have.

Some say straddling the corners with traps, some say Super chunk. I am just looking for the better method for my application.

Glenn Kuras · 26th July 2007, 02:16 AM

Quote:

Originally Posted by mr. torture

In everyones opinion which is the better method? I don't really know all the numbers based on the two different methods, the only difference I can see is this:

Super Chunk corner - solid 1' of Rigid Fiberglass

Straddle corner - 2" thick bass trap with air gap behind.

Which is the better method? Which has better benefits? Any real world numbers, or is it all speculation?

Thank you

First up 2" straddling a corner is not going to give you to much, but 4" will do a great job.

The super chunk will out perform a 4" panel straddling the corners, but sabins per dollar the 4" is a better choice. Coverage beats mass, all day long.

Meaning if you are on a budget it is better to have more 4 inch panels throughout the room then fewer super chucks, with both taking up the same amount of material.

If budget is not a factor then go with super chunks. If a factor then make just as many panels but make them 4”.

Glenn

mr. torture · 18th August 2007, 04:19 AM

Quote:

If budget is not a factor then go with super chunks

This is what I ended up doing. I cut 2" thick 703 panels in half, giving me 2' x 2' panels. I have them stacked from floor to ceiling, over 7 feet high in the two back corners. I call it "Mega-chunking"

nukmusic · 18th August 2007, 04:26 AM

why not try cutting them diagonal?? Just a thought.

mr. torture · 18th August 2007, 04:43 AM

Quote:

Originally Posted by nukmusic

why not try cutting them diagonal?? Just a thought.

More mass, 2 foot thick in the corners. Basement studios with small rooms need massive trapping.

nukmusic · 18th August 2007, 05:28 AM

Quote:

Originally Posted by mr. torture

More mass, 2 foot thick in the corners. Basement studios with small rooms need massive trapping.

u lost me.

I think the BIGGER blue triangles would equal much more mass than the SMALLER red triangles stacked from floor to ceiling in each corner.

mr. torture · 18th August 2007, 11:26 AM

Quote:

Originally Posted by nukmusic

u lost me.

I think the BIGGER blue triangles would equal much more mass than the SMALLER red triangles stacked from floor to ceiling in each corner.

If you are willing to give up 8 feet across in a small room, then by all means.

2 foot by 2 foot in each corner was what I could spare in my small room. I still have the same amount of mass as your 2 x 4' triangles, just not spread over as far.

Ethan Winer · 19th August 2007, 08:07 PM

Quote:

Originally Posted by mr. torture

This is what I ended up doing. I cut 2" thick 703 panels in half, giving me 2' x 2' panels. I have them stacked from floor to ceiling, over 7 feet high in the two back corners. I call it "Mega-chunking"

Yes, that's even more effective than the traditional "chunk" because it puts twice as much rigid fiberglass in the corners. Your next step is to do the wall-ceiling corners, and even wall-floor corners if you have room. It's impossible to have too much bass trapping, but you can have too much absorption at mid and high frequencies. If you stick to corners only you should be fine.

--Ethan

desotoslo · 27th July 2008, 02:35 AM

how about 6" bass traps in corners? wouldn't that be more effective than 4" straddling? (i mean, duh, right?) or is there some other physical explanation as to why 4'd be better than 6 straddling a corner?

GoldenOne · 27th July 2008, 02:57 AM

It's my understanding that rigid panels from OC, or Auralex or other companies comes in 2" or 4" panels. I'm sure it would be great to stack a 4" with a 2", but I think it's a convenience issue in that situation.

desotoslo · 28th July 2008, 08:03 AM

To reply to my own question, I remember reading in another thread that Andre said bass trapping is not intuitive, and that 4" traps would outperform 6" traps in the corner, if the material is Rockboard 60.

But I may be wrong.. altho I'm pretty sure I'm not.

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25th July 2007, 11:00 PM	#1
mr. torture Gear maniac Join Date: Dec 2004 Location: NY Posts: 184	Super chunk Vs. straddle In everyones opinion which is the better method? I don't really know all the numbers based on the two different methods, the only difference I can see is this: Super Chunk corner - solid 1' of Rigid Fiberglass Straddle corner - 2" thick bass trap with air gap behind. Which is the better method? Which has better benefits? Any real world numbers, or is it all speculation? Thank you __________________

27th July 2008, 02:57 AM	#12
GoldenOne Gear nut Join Date: Aug 2007 Location: Lawrence, KS Posts: 127	It's my understanding that rigid panels from OC, or Auralex or other companies comes in 2" or 4" panels. I'm sure it would be great to stack a 4" with a 2", but I think it's a convenience issue in that situation. __________________ Alex Chase "Beer is proof that God loves us and wants us to prosper." - Ben Franklin A CHARTER MEMBER OF THE LA, MAFIA Kansas City never had it better...

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26th July 2007, 12:37 AM	#2
tINY Lives for gear Join Date: Jul 2004 Location: Orygun Posts: 6,067	Everywhere is a little different. What frequency do your walls resonate at? A limp mass behind 4" of rockwool may work even better, but it won't be as cheap as filling the corner. Best thing to do is get a bigger room - say 20' x 33' with sloped ceilings 9-15 feet high .... or bigger. -tINY

27th July 2008, 02:35 AM	#11
desotoslo Gear addict Join Date: May 2008 Location: Tucson, AZ Posts: 334	how about 6" bass traps in corners? wouldn't that be more effective than 4" straddling? (i mean, duh, right?) or is there some other physical explanation as to why 4'd be better than 6 straddling a corner?

28th July 2008, 08:03 AM	#13
desotoslo Gear addict Join Date: May 2008 Location: Tucson, AZ Posts: 334	To reply to my own question, I remember reading in another thread that Andre said bass trapping is not intuitive, and that 4" traps would outperform 6" traps in the corner, if the material is Rockboard 60. But I may be wrong.. altho I'm pretty sure I'm not.