Amp/Monitor isolation riser for 4x12s, 15", or 18" Speaker Cabinets
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! 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! Great GRAMMA comes complete with a carrying handle, road-ready carpet, Studiofoam Wedges (underneath), PlatFoam (underneath).
Dimensions: 30" long x 19" wide x 2.75" high
Weight Limit: 300lbs.
