| Tobi,
It is not unusual in some Paphs for the old growths to eventually die off, but usually not quite that fast. The blooming and new growth is encouraging, but usually an old growth would not die off before the new growth is mature. Your new growth looks healthy to me. Paphs in the Parvisepalum section grow more slowly than those in other sections.
I think your light is probably fine.
What are your temps and do you have a constant year-round temps or do they fluctuate seasonally?
How moist are you keeping your Paph?
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