Aualex vs. DIY

Started by charliemack on 22 October 2007. 13 replies. In the Library under Acoustic treatment.

Originally posted at johnlsayers.com, topic 9637.

Has anyone compared the performance between the Auralex LENRDS bass traps and the DIY corner bass traps? :?:
charliemack wrote:
Has anyone compared the performance between the Auralex LENRDS bass traps and the DIY corner bass traps? :?:
Yes, I have. :) How well LENRDs fare depends on what sort of DIY you compare them to. You can see a direct comparison between LENRD bass traps and the bass traps my company sells (based on rigid fiberglass but with an added membrane) here: www.realtraps.com/data.htm --Ethan
I feel the DIY's performance is better. How to [SPAM LINK REMOVED BY MODERATOR]
depending on your skills ;) poor DIY results in poor performance
Ethan Winer wrote:
charliemack wrote:
Has anyone compared the performance between the Auralex LENRDS bass traps and the DIY corner bass traps? :?:
Yes, I have. :) How well LENRDs fare depends on what sort of DIY you compare them to. You can see a direct comparison between LENRD bass traps and the bass traps my company sells (based on rigid fiberglass but with an added membrane) here: www.realtraps.com/data.htm --Ethan
Just to be fair: The LENRDs are much smaller. A comparison with MEGA LENRDs should look quite different. But the basic idea is: DIY is as good as commercial products, depending how made. Commercial products exist for these people liking to work with modular, practical and simple to mount absorbers, bothering about the work, search and energy DIY involves. Most/lots professional studios are made on DIY principles (custom designed), only not called DIY because they're mostly executed by payed labor. Hence DIY is no acoustic quality label in neither sense.
Eric_Desart wrote:
The LENRDs are much smaller.
:)
Ethan Winer wrote:
Eric_Desart wrote:
The LENRDs are much smaller.
:)
Was just meant as a very dry, significant, correct and objective remark. And it's because they are that much smaller, and you're well aware off it, that the absorption values are lacking in that table with absorption coefficients on the page you linked, which should push these values up a lot. And that's not on my request as you once claimed before, since the FBM corner foam with identical shape is still included. As such that's not defined by acoustics coming from me, but commercially coming from you. If I don't agree with Auralex I will state that as clear. Also a standard 4" OC 703 (or comparable good DIY) will beat a LENRD, if only because it covers a larger corner area, but it will fail versus a Mega LENRD. And the MEGA LENRDs having the same section as the DIY Super Chunks, proved to beat the OC 703 glassfiber Super Chunks slightly, and possibly the ones your company sells as well. You started this commercial comparison. I didn't.
NEW MILFORD, CT--November 23, 2007--RealTraps has announced their newest product, the MEGAMondoTrap. In a surprise move, RealTraps co-founder Ethan Winer revealed today what he claims is the largest bass trap ever made. At ten feet tall, by three feet wide, and nearly a foot thick, the 275 pound RealTraps MEGAMondoTrap boasts 3,100 sabins of absorption at 30 Hz. According to Ethan Winer, "We are confident that no other acoustic treatment manufacturer will ever come close to achieving such a 'MEGA' amount of absorption at these very low frequencies. This much absorption is unprecedented in the bass traps business, and for good reason. Due to its size you won't find MEGAMondoTraps in most stores or online audio shops. However, it is available on special order." Pricing is yet to be announced, but Winer expects it to be "in the low four figures." Review units will be made available to legitimate audio magazines, as long as they are willing to cover the cost of shipping both ways. At press time shipping was estimated to be about $1,700 to most destinations.
External image, not preserved — original: http://www.ethanwiner.com/misc-content/megamondotrap.jpg
charliemack wrote:
Has anyone compared the performance between the Auralex LENRDS bass traps and the DIY corner bass traps? :?:
Hi Charliemack, in my post from page 2 to page 7 there is so many measurements and pictures about this, I'm not an expert but my room never sounded right with those little pieces of foam in the corners , so I decided to understand and learn and like you see on my post I made so many experiments and measurements and I will keep experimenting for a little more I guess probably two more weeks I'm open to more experiments so if any of the expert would like to give me some assignment I will be very happy to measure more and post. page 2 to page 7 in my post http://www.johnlsayers.com/phpBB2/viewtopic.php?t=9383 regards
Ethan Winer wrote:
NEW MILFORD, CT--November 23, 2007--RealTraps has announced their newest product, the MEGAMondoTrap.
...and you wonder why I make statements stating my unwillingness to be involved in "pi$$ing matches"... :roll:
Ethan, I do agree, being the master you can wrap them all, and divert them from acoustic topics. Lots will laugh, and you get them right where you want them, away from your wrong absorption coefficient approach. Edit: And I clearly wrote:
Eric_Desart wrote:
Also a standard 4" OC 703 (or comparable good DIY) will beat a LENRD, if only because it covers a larger corner area, but it will fail versus a Mega LENRD.
What I want to point out is the relationship between used section of the corner and absorption. BTW the Mega Lenrd is a standard used and existing product, not covering more corner section than your Mondo. But it's a marketing technique as any other: Use what's less good (and cheaper) to prove your superiority, and make a joke of the rest which is possibly better. And in this thread I did NOT prefer commercial products (whichever) over DIY. But you're good, I agree, in certain things.
charliemack wrote:
Has anyone compared the performance between the Auralex LENRDS bass traps and the DIY corner bass traps? :?:
Hi Charliemack, in my post from page 2 to page 7 there is so many measurements and pictures about this, I'm not an expert but my room never sounded right with those little pieces of foam in the corners , so I decided to understand and learn and like you see on my post I made so many experiments and measurements and I will keep experimenting for a little more I guess probably two more weeks I'm open to more experiments so if any of the expert would like to give me some assignment I will be very happy to measure more and post. page 2 to page 7 in my post http://www.johnlsayers.com/phpBB2/viewtopic.php?t=9383 regards
NEW MILFORD, CT--November 23, 2007--In response to disgruntled former competitors, RealTraps has announced an even newer product, the UltraMEGAMondoTrap. Topping even their own previous record for a ten foot tall bass trap, this newer model is even larger at 30 feet high, boasting 17.3 KS (Kilosabins) to as low as 4 Hz. Ethan Winer of RealTraps observed, "Apparently some people are impressed only with bass trap performance, not practicality or cost. So we decided to blow the doors off the competition and sell our newest 'big bad bass trap' at a loss, for only $49 each, including air shipping to anywhere in the world." Ethan was later observed muttering, "Take that GLENN KURAS!"
External image, not preserved — original: http://www.ethanwiner.com/misc-content/ultramegamondotrap.jpg
NEW MILFORD, CT--November 24, 2007--Disappointed by lackluster sales of the MEGA and UltraMEGA bass trap line, RealTraps has announced their newest model, the PicoTrap. This diminutive bass trap measures 5 by 2.5 inches, and is slightly thicker than a standard business card. Made from a top-secret proprietary absorbing material, the PicoTrap boasts absorption coefficients greater than 1.4 to well below 100 Hz. According to RealTraps co-founder Ethan Winer, "Apparently some professional acousticians fail to understand that the size of an acoustic panel has a direct bearing on its suitability as a commercial product. Our new PicoTrap has only 0.02 sabins of absorption at bass frequencies, but by using absorption coefficients we found it compares very favorably with other, much larger bass trap products. Since coefficients are the standard measure of absorber performance, we are able to offer the PicoTrap to the popular home studio market with a straight face." Rather than sell this bass trap, RealTraps has arranged with General Mills to give it away for free inside cereal boxes. Winer continued, "If you're willing to eat a lot of Cheerios and Corn Chex, eventually you'll accumulate enough PicoTraps to treat half of one wall in a very small vocal booth."
External image, not preserved — original: http://www.ethanwiner.com/misc-content/picotrap.jpg