Atrium / Headphone EQ / Grado
Grado EQ settings
Parametric EQ corrections for 38 Grado models, each derived from its measured frequency response. Pick a model for the full filter table, the curve, and how it compares with its siblings.
The Grado house sound, by the numbers
Across the 38 measured models, the most common tuning is bright (15 of 38, 39 percent). Next most common: bass-light (13), dark (4).
The model that needs the least correction is the GT220, with no band more than 2.7 dB from neutral. The one that needs the most is the PS2000e, off by up to 6.4 dB before EQ.