Replying to self ... phosphor rabbit hole ... so I apparently thought P3 was "the" amber phosphor but it may not be so simple. Old Wyse specs claim their amber

Replying to self ... phosphor rabbit hole ... so I apparently thought P3 was "the" amber phosphor but it may not be so simple. Old Wyse specs claim their amber is P134. And a handful of others are listed here ... https://en.wikipedia.org/wiki/Phosphor#Standard_phosphor_types https://en.wikipedia.org/wiki/Phosphor#Standard_phosphor_typ...