Speaker stands from reinforcing steel?

markus76 · 24th February 2011, 06:54 PM

Hi guys,

I'm thinking about building speaker stands welded together from reinforcing steel. What are the potential problems and (how) can they be solved?
The stands would need to carry two different types of speakers, 11kg and 26kg.

Thanks.

sdclc126 · 24th February 2011, 07:20 PM

Tube or solid? Round or square?

Do you have all the necessary tools and skills?

markus76 · 24th February 2011, 07:26 PM

Quote:

Originally Posted by sdclc126

Tube or solid? Round or square?

Quote:

Originally Posted by sdclc126

Do you have all the necessary tools and skills?

I'll have a pro that will do it for me.

sdclc126 · 24th February 2011, 07:36 PM

Oh OK - we call it "rebar" here in the States.

What sort of problems did you think you might have? I can only think of the possibility of the bars vibrating, but i have no idea if it would be audible - my instincts tell me it won't be.

However I'd recommend you not place the speakers directly onto the metal - make bases out of mdf and place the speakers on those, either with isolation spikes or rubber feet, etc. You should probably do the same thing at the bottom, but that depends on what the floor is made of - solid or carpet.

Andrew Eckhardt · 08:10 PM

It will be hard to avoid making a mechanically low loss structure out of this material. Maybe if you finally cast it in rubber or something.. Concrete?

tinitus · 24th February 2011, 08:05 PM

Quote:

Originally Posted by markus76

What are the potential problems

scatches on your speaker's finish

and, best not to have too much iron close to Xover

and needs a complicated construction to make i stable

hmm, might look special with lots of it welded close together side by side
and it would be stable

markus76 · 24th February 2011, 08:13 PM

I'd like to have it as lightweight as possible but the questions is if a rather flexible construction with rubber damping between speaker/stand and stand/floor is desirable?

Here's an idea how the stand could be decoupled from floor and speaker:

sdclc126 · 24th February 2011, 08:33 PM

No reason for them to be light weight - they should be robust and relatively heavy.

markus76 · 24th February 2011, 10:10 PM

Quote:

Originally Posted by sdclc126

No reason for them to be light weight - they should be robust and relatively heavy.

The worst case scenario would be a speaker hanging from the ceiling. Is this detrimental to the speakers performance?

dantheman · 24th February 2011, 11:03 PM

I prefer mine to be heavy just for safety. Don't want them to get knocked over.

Dan

24th February 2011, 06:54 PM	#1
markus76 diyAudio Member Join Date: May 2008 Location: Switzerland	Speaker stands from reinforcing steel? Hi guys, I'm thinking about building speaker stands welded together from reinforcing steel. What are the potential problems and (how) can they be solved? The stands would need to carry two different types of speakers, 11kg and 26kg. Thanks. __________________ Markus

24th February 2011, 07:49 PM	#5
Andrew Eckhardt diyAudio Member Join Date: Nov 2005 Location: PA	It will be hard to avoid making a mechanically low loss structure out of this material. Maybe if you finally cast it in rubber or something.. Concrete? Last edited by Andrew Eckhardt; 24th February 2011 at 08:10 PM.

24th February 2011, 08:13 PM	#7
markus76 diyAudio Member Join Date: May 2008 Location: Switzerland	I'd like to have it as lightweight as possible but the questions is if a rather flexible construction with rubber damping between speaker/stand and stand/floor is desirable? Here's an idea how the stand could be decoupled from floor and speaker: __________________ Markus

24th February 2011, 11:03 PM	#10
dantheman diyAudio Member Join Date: May 2008 Location: Mountain View, CA	I prefer mine to be heavy just for safety. Don't want them to get knocked over. Dan __________________ My Blog My Music Recordings

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24th February 2011, 07:20 PM	#2
sdclc126 diyAudio Member Join Date: Jan 2005 Location: San Diego, CA	Tube or solid? Round or square? Do you have all the necessary tools and skills?

24th February 2011, 07:36 PM	#4
sdclc126 diyAudio Member Join Date: Jan 2005 Location: San Diego, CA	Oh OK - we call it "rebar" here in the States. What sort of problems did you think you might have? I can only think of the possibility of the bars vibrating, but i have no idea if it would be audible - my instincts tell me it won't be. However I'd recommend you not place the speakers directly onto the metal - make bases out of mdf and place the speakers on those, either with isolation spikes or rubber feet, etc. You should probably do the same thing at the bottom, but that depends on what the floor is made of - solid or carpet.

24th February 2011, 08:33 PM	#8
sdclc126 diyAudio Member Join Date: Jan 2005 Location: San Diego, CA	No reason for them to be light weight - they should be robust and relatively heavy.

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