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Auralex GRAMMA Amplifier and Monitor Isolation Platform

Acoustically isolates amps and speakers from the floor.

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Description
From Our Catalog
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Gig and Recording Amplifier and Monitor Modulation Attenuator
The GRAMMA is an incredibly effective device that's used to float an amp or loudspeaker and yields nearly total acoustic isolation, resulting in a purity of tone that has to be heard to be believed!

GRAMMA comes complete with a carrying handle, road-ready carpet, Studiofoam Wedges (underneath), and PlatFoam. 1-2 GRAMMAs will support most amps, speaker cabinets, subwoofers, and monitors.

Technical Info

Dimensions (L x W x H): 23 x 15 x 2.75 in.

Weight Limitations: 300 lbs.
The GRAMMA 'floats' an amp or loudspeaker and yields near-total acoustic isolation for an incredibly pure tone!
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Item: AURGRAMMA
 
In Stock
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$49.95
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Ground: $1.99
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Auralex GRAMMA Amplifier and Monitor Isolation Platform Reviews

13 People rated this product :
           9 out of 10
           10 out of 10
"Better tone, less hassles, idiot proof, no manual."
Feature:
Although we have made similar isolation devices cheaply, these look nice and are not terribly over-priced. Considering the cost of plywood, carpet and good acoustic foam, these are cost-effective labor-savers.

Quality:
It is hard to make a better one... believe me, I have tried.

Value:
Like I said, considering materials and labor, the price is fair.

Desirability:
You won't realize how helpful these are until you have used them. Once you hear and feel the difference, you won't forget them. If you have sound-people, they will thank you! If you do your own sound, these make life a little easier. If you goof-balls do your homework, you will start to think more about acoustics and less about power-ratings or gizmos. You get more bang-from-your-bucks when you cooperate with the laws of physics. BTW... these things do double-duty as door-stops when loading and un-loading. If you use tube amp-heads, like the double-HI-WATT and Marshall stacks I used to travel with, you will get more life from your tubes if you put one between your head and the cab. Don't worry, you can still get controlled feedback when you want. Trust me.

Sound:
Of course this thing doesn't make a sound, but it can help reduce problematic low-end rumble, especially on boom-box stages. It's particularly effective for bass, but remember, guitar is a LOW instrument. ( low E is around 82 Hz.) And if you are a metal-head, monkey-knuckle, drop-tuning-dork, these things will make you sound just as manly, but less stupid.

Ease of Use:
Drop it. Set your cab.

Support:
What support could you possibly need on a thing like this? There's no support hot-line for gravity. I suppose a genuine idiot could use it upside down, but it would still work OK.

Overall:
Been using them for years. One got wet and froze in the van. It still works despite a few missing chunks of foam.

Submitted: 02/02/2010
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           9 out of 10
  zZounds has verified that this customer bought this product from us.
"Stage rumble is gone forever"
This thing is so simple and effective that I wish I'd thought of it myself. My 4x10 Ampeg SVT has never sounded so clean and precise. Even the low B string on my bass doesn't rumble on a hollow stage.
Submitted: 06/06/2002
Style of Music: Rock
1 of 1 people (100%) found this review helpful. Did you?    
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