Have you tried using the Pure Cab "Space" feature in the output menu?
edited: I did not mention the parameter I intended to mention.
while this has noting to do with the digital/analog debate (after all, guitars can sound very 'analog' coming from a digital medium like a CD)
I'd try the Space stomp and maybe a lower Definition setting.
If this is an issue you experience with numerous rigs, maybe, just maybe, it's your pickups you have an issue with 
When you say direct do you mean harsh? Are you using any compression in the stomps or at the end of the output?
A compressor is a force that does try to to defeat your attack. That's how I read you sir. Muddy 
while this has noting to do with the digital/analog debate (after all, guitars can sound very 'analog' coming from a digital medium like a CD)
I'd try the Space stomp and maybe a lower Definition setting.
If this is an issue you experience with numerous rigs, maybe, just maybe, it's your pickups you have an issue with
It's not my pickups.
It's not an issue.
Maybe i do not yet master the kemper.
Maybe, the pure cab function is not efficient enough.
It's not my pickups.It's not an issue.
Maybe i do not yet master the kemper.
Maybe, the pure cab function is not efficient enough.
still, the use of the word 'analog' seems weird.
if the sound is 'too direct' as you put it, try the Space stomp or a ambience-type reverb preset
hth
