Atrium / Headphone EQ / IKKO
IKKO EQ settings
Parametric EQ corrections for 8 IKKO 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 IKKO house sound, by the numbers
Across the 8 measured models, the most common tuning is warm (3 of 8, 38 percent). Next most common: bass-heavy (2), bass-light (1).
The model that needs the least correction is the OH10, with no band more than 2.2 dB from neutral. The one that needs the most is the OH1S, off by up to 6.3 dB before EQ.