Manker MK34 (12x Nichia 219B, 3x18650) Review: RUNTIMES, BEAMSHOTS, VIDEO and...
I don't have an integrating sphere at all, so you are way ahead of me.
According to Nichia's homepage the link goes to the spec. of their highest output high CRI 219B.
I have both the MK34 and the Noctigon M43...