Primacoustic Razorblade Quadratic Residue Diffuser - Black - 24" x 48" x 8" Trumpet Mouthpieces add sustain to guitars and

add sustain to guitars and fatten up your drums

At the heart of the RTM10 is a pure aluminum ribbon tweeter

The AC30C2 and AC30C2X also include an additional tone control in the Reverb section

explosive response is fast and shimmering

The Rotary is slightly different than the Monterey

Primacoustic Razorblade Quadratic Residue Diffuser - Black - 24" x 48" x 8" Trumpet Mouthpieces add sustain to guitars andThe 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