Atrium / Headphone EQ / Superlux
Superlux EQ settings
Parametric EQ corrections for 8 Superlux 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 Superlux house sound, by the numbers
Across the 8 measured models, the most common tuning is bass-light (3 of 8, 38 percent). Next most common: bright (3), near-neutral (1).
The model that needs the least correction is the HD 660 Pro 150 Ohm, with no band more than 1.5 dB from neutral. The one that needs the most is the HD 651, off by up to 5.9 dB before EQ.