Primacoustic Razorblade Quadratic Residue Diffuser - Black - 24" x 48" x 8" Strings & Slides original-era tone

original-era tone

To the jazz player

This method is great for both acoustic and electric guitar

21" Medium Ride answers the call for a thinner Ride with added versatility

Primacoustic Razorblade Quadratic Residue Diffuser - Black - 24" x 48" x 8" Strings & Slides original-era toneThe Razorblade is a high performance quadratic residue diffuser (QRD*) based on a primitive root sequence that employs a grated array of 17 precisely calculated wells to break up and scatter acoustic energy to create a diffuse sound field. Originally developed by Schroeder, QRDs have long been considered to be one of the most effective forms of diffusion. A series of wells are mathematically arranged in such a fashion that sound waves entering the