My audiologist has a special device which measures the performance and distortion of my hearing aids. It graphs input to output quality of reproduction. Does such equipment exist for studio speakers, ...
What do equalizer controls provide in db? What do equalizers (like New Klark Teknik | High-Performance Dual-Channel 30-Band 1/3 Octave Analogue Graphic Equalizer, DN370 with Low/Hi Pass and Notch ...