You’re right, I don’t know why I forgot about SP version in Lumity line. Maybe because of frequency response range?
However, in theory PR could provide better amplification than P receiver in my Sphere:
I have just also “tried” to “fit” in Lumity SP model:
To sum up, I don’t see much difference in my case. SP could be better only if my hearing would be much poorer up to 4 kHz. What’s more, there is poorer amplification over 4 Khz in SP:
There’s AI-produced table and graph with gain values:
I have quite useful hearing in the 6–8 kHz regions, and even more so above that; I don’t want to lose its potential.