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Read the Post in new Window Read the Post in Threaded view  Post #40: Sand vs. Sand by Paul S on 2013-12-01 
Browse the content of the threads in new Window  Thread: Mastodont DIY Rack: Wall Mount? in Audio Discussions  68 Replies 
There are lots of different types of "sand", including various sizes and shapes of the aggregates, not to mention the constituent materials, themselves. I thought that in most cases the idea of in-frame sand is to quench/diffuse "ringing", not ULF. O...

Read the Post in new Window Read the Post in Threaded view  Post #5: Correction : "Man in the street" by jessie.dazzle on 2008-10-31 
Browse the content of the threads in new Window  Thread: Macondo vs. the “industry sponsored speakers” in Horn-Loaded Speakers  4 Replies 
"Sand-carb" ?I meant to write sand-crab....

Read the Post in new Window Read the Post in Threaded view  Post #5: Different factors affecting bass quality by haralanov on 2009-04-28 
Browse the content of the threads in new Window  Thread: Constructing LF modules to the limits in Audio Discussions  54 Replies 
[quote user="Romy the Cat"]Sand damping it beautiful, it is well-recognized, but you do pay cost for it, in your case the cost is space. [/quote]I know that Romy… but without the massive amounts of sand, there are always some vibrations felt when I t...

Read the Post in new Window Read the Post in Threaded view  Post #289: Not decoupler but damper. by Romy the Cat on 2010-09-17 
Browse the content of the threads in new Window  Thread: Macondo’s Midbass Project – the grown up time. in Horn-Loaded Speakers  455 Replies 
Ric, I will not be using sand for decoupling. In fact I fill that sand is not good load bearing decoupler as I will have more or less point loading and sand will not work. I will be using sand for damping the horn surface, primary atop of the horn. A...

Read the Post in new Window Read the Post in Threaded view  Post #4: Sand and... polystyrene beads by tuga on 2009-04-28 
Browse the content of the threads in new Window  Thread: Constructing LF modules to the limits in Audio Discussions  54 Replies 
Hello Haralanov,That's a nice strong heavy box you have there.You might want to check and add some more sand in the future because vibration helps the grains to adjust which in turn reduces volume.[quote user="Romy the Cat"]10)   Do you know that you...

Read the Post in new Window Read the Post in Threaded view  Post #86: Sand man by Paul S on 2008-07-18 
Browse the content of the threads in new Window  Thread: Jessie Dazzle Project in Horn-Loaded Speakers  172 Replies 
Jessie, I love the way you have got it so you can EASILY move anything in any direction.  I imagine this will be a key in maintaining your sanity as you and your system evolve together.  And I agree with the form-follows function aesth...

Read the Post in new Window Read the Post in Threaded view  Post #10: Re: sand horns by teodor_gugulanov on 2009-06-23 
Browse the content of the threads in new Window  Thread: The absolutely “best” material for horns construction. in Horn-Loaded Speakers  41 Replies 
[quote user="Romy the Cat"]... a trip to a beach…. [/quote]Maybe it will be better if this is a beach on a river. Usually, seaside sand is not appropriate for construction works, especially if portland cement is involved.Regards,Teodor...

Read the Post in new Window Read the Post in Threaded view  Post #66: Tubed sand by decoud on 2009-08-22 
Browse the content of the threads in new Window  Thread: Midbass Horns and Real Estate. in Horn-Loaded Speakers  247 Replies 
I thought of filling with sand braided multifilament nylon cable sleeving (http://cableorganizer.com/nylon-multifilament/) which comes in 2 inch diameter and does not expand enough to allow coarse sand to come out. It can be wrapped around as densely...

Read the Post in new Window Read the Post in Threaded view  Post #66: Sand damping by N-set on 2013-12-05 
Browse the content of the threads in new Window  Thread: Mastodont DIY Rack: Wall Mount? in Audio Discussions  68 Replies 
[quote user="decoud"]For sand to work here in friction does it not have to be load bearing itself: i.e. inside a steel cage that propagates the vibration through the walls there will not be much friction, no? What you want is a sandcastle.....[/quote...

Read the Post in new Window Read the Post in Threaded view  Post #7: Scanspeak, sand and sound. by oxric on 2011-09-21 
Browse the content of the threads in new Window  Thread: Constructing LF modules to the limits in Audio Discussions  54 Replies 
[quote user="haralanov"]  Romy the Cat wrote:If you feel that 25W/8565-00 is a good driver then try many of 25W/8565-00. You might try it using both channels on one side and playing mono recordings…That was the first thing I made when I finished th...

Read the Post in new Window Read the Post in Threaded view  Post #9: Filing them to sand. by Romy the Cat on 2010-12-18 
Browse the content of the threads in new Window  Thread: Adding one more non-spherical to Macondo. in Horn-Loaded Speakers  23 Replies 
As I told the design requirements were to makes the horns fillbale with sand. So I did it with one horn. I still keep shaking it rotating it to settle the sand down. So felled up one horn, it took 57 pounds of sand. Add to it 20 pounds of own mass ma...

Read the Post in new Window Read the Post in Threaded view  Post #41: Sand context by N-set on 2013-12-01 
Browse the content of the threads in new Window  Thread: Mastodont DIY Rack: Wall Mount? in Audio Discussions  68 Replies 
Paul, I can olny speak within my context and with no audio tests, only knuckling.I use pure silca sand in 3 granulations (2 of them fine unfortunately), mixed with steel shots.Of course the sand is there to quench the steel ringing. But while achievi...

Read the Post in new Window Read the Post in Threaded view  Post #47: Sand by Jorge on 2013-12-03 
Browse the content of the threads in new Window  Thread: Mastodont DIY Rack: Wall Mount? in Audio Discussions  68 Replies 
For some reason I cannot post pics, they wont upload to the server so I cant select them.The way Aurios work is with 3 ball bearings rolling inside a round chanel, something like an inverted doughnut...top and bottom.On the center they have a bol...

Read the Post in new Window Read the Post in Threaded view  Post #67: Confined sand by Jorge on 2013-12-05 
Browse the content of the threads in new Window  Thread: Mastodont DIY Rack: Wall Mount? in Audio Discussions  68 Replies 
I used to have a rack where sand was placed inside the structure of the rack (square pipe) and then I would insert a rugged construction rod inside it so it would be "suspended"  by friction inside the sand.  It didnt work,  there was no advantag...

Read the Post in new Window Read the Post in Threaded view  Post #288: Sand. by tuga on 2010-09-17 
Browse the content of the threads in new Window  Thread: Macondo’s Midbass Project – the grown up time. in Horn-Loaded Speakers  455 Replies 
[quote user="Romy the Cat"]Anyhow, now the back chambers are done and the 40 bags of sand (300 pounds) are prepared to be loaded to the horn’s top. We are back on the schedule. When the horns will be installed I will fine-tine the Fs by pocking the s...

Read the Post in new Window Read the Post in Threaded view  Post #65: Sand damping topologies. by Romy the Cat on 2009-08-22 
Browse the content of the threads in new Window  Thread: Midbass Horns and Real Estate. in Horn-Loaded Speakers  247 Replies 
I site visitor, whose midbass horns I heard and liked, sent me email describing how he made his 50Hz horns: “The horn’s walls having an inner layer of 3/4 inch high density compress board and outer wall of 3/4 inch high density plywood with a 1 inch ...

Read the Post in new Window Read the Post in Threaded view  Post #68: A considerable amount of sand pressure. by Romy the Cat on 2009-08-22 
Browse the content of the threads in new Window  Thread: Midbass Horns and Real Estate. in Horn-Loaded Speakers  247 Replies 
[quote user="decoud"]I thought of filling with sand braided multifilament nylon cable sleeving (http://cableorganizer.com/nylon-multifilament/) which comes in 2 inch diameter and does not expand enough to allow coarse sand to come out. It can be wrap...

Read the Post in new Window Read the Post in Threaded view  Post #97: Sand and Sinagogues by tuga on 2009-09-04 
Browse the content of the threads in new Window  Thread: Midbass Horns and Real Estate. in Horn-Loaded Speakers  247 Replies 
[quote user="jessie.dazzle"]Here's my latest hallucination :So I'm sitting there listening and sucking down a beer, when, à propos de rien, it comes to me; more on how to neutralize a suspended floor. After shoring it up with screw jacks (which btw, ...

Read the Post in new Window Read the Post in Threaded view  Post #9: Filing them to sand. by Romy the Cat on 2010-12-18 
Browse the content of the threads in new Window  Thread: Adding one more non-spherical to Macondo. in Horn-Loaded Speakers  23 Replies 
As I told the design requirements were to makes the horns fillbale with sand. So I did it with one horn. I still keep shaking it rotating it to settle the sand down. So felled up one horn, it took 57 pounds of sand. Add to it 20 pounds of own mass ma...

Read the Post in new Window Read the Post in Threaded view  Post #67: Confined sand by Jorge on 2013-12-05 
Browse the content of the threads in new Window  Thread: Mastodont DIY Rack: Wall Mount? in Audio Discussions  68 Replies 
I used to have a rack where sand was placed inside the structure of the rack (square pipe) and then I would insert a rugged construction rod inside it so it would be "suspended"  by friction inside the sand.  It didnt work,  there was no advantag...

Read the Post in new Window Read the Post in Threaded view  Post #299: Reflections (sound) by tuga on 2010-09-19 
Browse the content of the threads in new Window  Thread: Macondo’s Midbass Project – the grown up time. in Horn-Loaded Speakers  455 Replies 
[quote user="Romy the Cat"]Ric, I will not be using sand for decoupling. In fact I fill that sand is not good load bearing decoupler as I will have more or less point loading and sand will not work. I will be using sand for damping the horn surface, ...

Read the Post in new Window Read the Post in Threaded view  Post #65: Sand damping topologies. by Romy the Cat on 2009-08-22 
Browse the content of the threads in new Window  Thread: Midbass Horns and Real Estate. in Horn-Loaded Speakers  247 Replies 
I site visitor, whose midbass horns I heard and liked, sent me email describing how he made his 50Hz horns: “The horn’s walls having an inner layer of 3/4 inch high density compress board and outer wall of 3/4 inch high density plywood with a 1 inch ...

Read the Post in new Window Read the Post in Threaded view  Post #68: A considerable amount of sand pressure. by Romy the Cat on 2009-08-22 
Browse the content of the threads in new Window  Thread: Midbass Horns and Real Estate. in Horn-Loaded Speakers  247 Replies 
[quote user="decoud"]I thought of filling with sand braided multifilament nylon cable sleeving (http://cableorganizer.com/nylon-multifilament/) which comes in 2 inch diameter and does not expand enough to allow coarse sand to come out. It can be wrap...

Read the Post in new Window Read the Post in Threaded view  Post #3: Some comments about the bass inclosure. by Romy the Cat on 2009-04-28 
Browse the content of the threads in new Window  Thread: Constructing LF modules to the limits in Audio Discussions  54 Replies 
Haralanov, Here some raw cements of my on it, without any particular order of importance…. 1)      Sand damping it beautiful, it is well-recognized, but you do pay cost for it, in your case the cost is space. Sand is very little compressibl...

Read the Post in new Window Read the Post in Threaded view  Post #1: The absolutely “best” material for horns construction. by Romy the Cat on 2008-02-23 
Browse the content of the threads in new Window  Thread: The absolutely “best” material for horns construction. in Horn-Loaded Speakers  41 Replies 
In reply to my post: [quote user="Romy the Cat"] The epoxy carbon-kevlar and glass fibers staffed with damping? I wonder how more fun would be if they staff these hollow horns with sand, I would…. I had once an idea to have a very soft sand horn usi...

Read the Post in new Window Read the Post in Threaded view  Post #47: Sand by Jorge on 2013-12-03 
Browse the content of the threads in new Window  Thread: Mastodont DIY Rack: Wall Mount? in Audio Discussions  68 Replies 
For some reason I cannot post pics, they wont upload to the server so I cant select them.The way Aurios work is with 3 ball bearings rolling inside a round chanel, something like an inverted doughnut...top and bottom.On the center they have a bol...

Read the Post in new Window Read the Post in Threaded view  Post #62: Finishing and texturing process by jessie.dazzle on 2008-06-24 
Browse the content of the threads in new Window  Thread: Jessie Dazzle Project in Horn-Loaded Speakers  172 Replies 
Here are a couple shots of the finishing process. Foreground : Pair of 180Hz hornsLeft : Halves of a 115Hz hornRight : Pair of 400Hz hornsNear the center of the above image there is a rectangular box of sand... This sand is w...

Read the Post in new Window Read the Post in Threaded view  Post #49: Ad hoc fixes by N-set on 2013-12-03 
Browse the content of the threads in new Window  Thread: Mastodont DIY Rack: Wall Mount? in Audio Discussions  68 Replies 
[quote user="Paul S"]Again, you might gain something by fastening the rack to adjacent walls and adjusting the tension and/or damping of those connections. In any case, you'll want to prevent swaying of a TT support, and likely a CD transport, as wel...

Read the Post in new Window Read the Post in Threaded view  Post #41: Sand context by N-set on 2013-12-01 
Browse the content of the threads in new Window  Thread: Mastodont DIY Rack: Wall Mount? in Audio Discussions  68 Replies 
Paul, I can olny speak within my context and with no audio tests, only knuckling.I use pure silca sand in 3 granulations (2 of them fine unfortunately), mixed with steel shots.Of course the sand is there to quench the steel ringing. But while achievi...

Read the Post in new Window Read the Post in Threaded view  Post #4: Finishing my Multicell. by Romy the Cat on 2010-12-19 
Browse the content of the threads in new Window  Thread: How to paint Multicell horns? in Horn-Loaded Speakers  3 Replies 
I spent today some time to finish my Multicell as I am not able to look at it if it not black. First that I discovered is that it is irrelevant how it painted at throat as horns is so deep that it dark in there anyhow.  Jessie’s idea to fill up the c...
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