Atrium / Headphone EQ / Onkyo
Onkyo EQ settings
Parametric EQ corrections for 4 Onkyo 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 Onkyo house sound, by the numbers
Across the 4 measured models, the most common tuning is near-neutral (1 of 4, 25 percent). Next most common: warm (1), bass-heavy (1).
The model that needs the least correction is the A800, with no band more than 3.6 dB from neutral. The one that needs the most is the IE-HF300S, off by up to 4.6 dB before EQ.