I’m slowly diving into the backlog of un-replied posts that were buried by our previous forum software a few years back.
LEDs are much better than old tube lights. We’ve converted to LEDs at Cone Editions Press. We use Soraa bulbs. These bulbs are the only ones with an R9 (red #9) value that is acceptable.
Also, thanks for the note on the ICCs. We do our best. Recently published all new ICCs for UltraHD Matte Black and HD Photo Black inks: ICC Profile Libraries