Black Box Analog Design HG-Q Tube/Solid Equalizer Alto Clarinet We build the R-121 solid

We build the R-121 solid enough to give it a lifetime warranty

Whether you want a high-output cleaner tone for pushing your amp hard

military grade

boosting your productivity

Black Box Analog Design HG-Q Tube/Solid Equalizer Alto Clarinet We build the R-121 solidMore than just an incredible EQ The HG Q combines unique topology, flexible tube saturation, and the ability to cut and boost simultaneously to create a totally new kind of audio enhancement tool. This dual mono, stereo, and M S capable EQ offers six fully independent and interactive bands for creative frequency shaping and sculpting, combined with acclaimed tube saturation circuitry that adds rich harmonic detail, depth and energy without