Atrium / Headphone EQ / Astell
Astell EQ settings
Parametric EQ corrections for 6 Astell 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 Astell house sound, by the numbers
Across the 6 measured models, the most common tuning is bass-heavy (4 of 6, 67 percent). Next most common: near-neutral (1), dark (1).
The model that needs the least correction is the & Kern AURA, with no band more than 2.2 dB from neutral. The one that needs the most is the & Kern Rosie (max), off by up to 7.2 dB before EQ.