Klipsch HP-3
According to
soundstagenetwork.com/index.php?option=com_content&view=article&id=1837:klipsch-heritage-hp-3-headphones&catid=263&Itemid=203
They have good low distortion except below 100 Hz
Regarding
github.com/jaakkopasanen/AutoEq/tree/master/results/crinacle/gras_43ag-7_harman_over-ear_2018/Klipsch%20Heritage%20HP-3
and
github.com/jaakkopasanen/AutoEq/tree/master/results/referenceaudioanalyzer/referenceaudioanalyzer_hdm-x_harman_over-ear_2018/Klipsch%20HP3
There are two different corrections; I assume the Crinacle one targets Harman. I don't know what the other one targets.
But the Crinacle EQ preset doesn't show a Harman score.