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Gig & Recording Amplifier & Monitor Modulation Attenuator
The GRAMMA Sound Isolation Riser is an incredibly effective device
that's used to float an amp or loudspeaker and yields nearly total
acoustic sound isolation, resulting in a purity of tone that has to be
heard to be believed!
Great GRAMMA
Built on the success of GRAMMA, the Great GRAMMA is almost 30% bigger to float large speaker cabinets.
Now 4x12s, 15" or 18" speaker cabinets will benefit from the awesome Great GRAMMA.
Only Great GRAMMA can handle the big rigs!
GRAMMA and Great GRAMMA both come complete with a carrying handle, road-ready carpet, Studiofoam Wedges (underneath) and PlatFoam (underneath).
A GRAMMA sound isolation riser shown under a typical 4’x10’ bass cabinet.
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Maximum Weight: 300lbs.
For more information, click here | 
GRAMMA - Sound Isolation Riser: 23" long x 15" wide x 2.75" high
GreatGRAMMA - Sound Isolation Riser: 30" long x 19" wide x 2.75" high
Auralex - LENRD Bass Trap LENRD stands for Low-End Node Reduction Device. As you may know, a resonance bump in a room's frequency response is called a room node.
Now, thanks to LENRD Bass Traps, you can achieve the low frequency
sound control other companies can't give you!
Bass traps substantial enough to control nodes...
