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 MGA Platforms, Racks and Amp Stands

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PostSubject: MGA Platforms, Racks and Amp Stands   Sun Jan 18, 2015 5:43 pm



















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PostSubject: Re: MGA Platforms, Racks and Amp Stands   Sun Jan 18, 2015 5:44 pm

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PostSubject: Re: MGA Platforms, Racks and Amp Stands   Sun Jan 18, 2015 5:44 pm



How do you get in-tune? By learning how your system needs to vibrate and be tuned to harmonize the parts.



Tweaking an audio system has become as big as the components and speakers themselves. The audio industry quickly jumps on fads when someone hears a difference. Different is not always a good thing but what it has done is shown us that systems are highly affected by the energy that is around and touching them. MGA has gone farther in this area than anyone, building entire systems out of tunable parts. The more we tune the more music we hear and the closer we get to real performances as opposed to the sterile sound that so many have excepted. Just how good can a system become? Good enough to keep you in your listening chair and in the listening room for a long time.



Your system is not only interconnected by wire and solder joints, it is also interconnected by energy that is carrying and supporting the audio signal. This energy wants to makes it's way to ground and it will do so in harmony or distorting. Either way it will make this trip and you will hear your system in tune or out of tune. MGA tools are here to keep your music in-tune every inch of the audio chain.



Without taking the step of mechanically grounding your components you are loosing at least 30% of the music content the system is trying to pass. It would be very rare to go from the component rack or speaker to the floor or ground without distortion because of the missing dissipating step that a platform provides.



Any way you look at it a chassis is a shipping box housing the parts and pieces making the sound. They are also huge limiting factors in the way the parts need to resonate energy as well as pass it. Many who have already shifted from big boxes to plate type open designs will tell you how much more open their sound is once the chassis is taken out of the equation. Removing the box is a tremendously big step forward in the tuning revolution and for high end.




Regardless of how you tweak or how much you tweak the Platform is the biggest missing link in High End Audio's chain. Systems are not able to open up fully without the platform under both the speakers and the components.



It's highly possible that the reason you have not had success with your speakers is not necessarily the speakers fault but the way the speaker is interfaced with the rooms floor. Most speakers come with some type of stand or landing or spikes at the bottom but this is not enough to get a true interconnection between the energy in your speakers and the vibration in the floor. De-coupling is not the answer. There is no way to remove the sound of the floor but there is a way to tune the speaker to the floor.



People throw around words in this industry without thinking sometimes. Why would you for example want to decouple something from something else if the energy flow is going to end up going through that foundation anyway? Makes no sense to say I'm de-coupling a product from the floor. Your not removing the floor, at best your allowing the energy to dissipate into the floor in tune, but so much of the time the energy is entering the floor out of tune which makes the object being grounded out of tune.

I've been designing tunable speaker platforms for 25 years now and have only found 3 floors where the floor was actually in tune and the platform was not needed for the speaker. No ones perfect, but that means 99% of the floors out there with speakers sitting on them right now are causing the speaker and floor interconnection to be out of tune.

Big deal right, so it's out of tune a little. Out of tune a little as far as speakers go can mean decreasing the size of a soundstage dramatically, not allowing the drivers to co-exist in a cabinet or even change the dynamic range so much that whole parts of the perfromance sounds flat and lifeless.

When we took our platforms on tour in Nashville we set up one night at one of the rows popular night spots. The complaint was the bass was always muddy in the hall and almost not even there by the time you got to the back of the 135 foot long room. Sammy Kershaw's bass player assisted me as we put the bass amp on the platform, "sounds like a bass solo" was the comment of the house engineer afterword. We then put the other speaker components on theirs and the sound was "clear as a bell, I'm able to hear every note".

Speaker platforms are one of the biggest missing links in the high end audio industry today. There are huge tonal shifts that take place when a speaker is moved from the speaker designers facility to the end users home. Part of this is the acoustics but another is that the speakers are not able to form the same full range signatures designed into them. Many clients sit there disatisfied not realizing that the speaker is wanting to perform but not able to because an in-tune connection has not been made.

If your speaker is cold sounding, or the music is stuck in the speaker, or if you get a weird U shape stage in your room, one of the problems could be that your speakers are in need of a speaker platform.
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PostSubject: Re: MGA Platforms, Racks and Amp Stands   Wed Jun 24, 2015 5:38 pm

Don't forget your acoustical treatments!

Join your Get Tuned! host Harold Cooper on you tube https://www.youtube.com/watch?v=rufEnsVR_eE


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