The answer is
When the system sounds good and you run out of money for anything more elaborate.
Once you get a feel for what the fundamental sound is for a type of metal a manufacturer, a geometry, you are at the point of diminishing returns.
Little is gained IMO by further changes if you can't make the system sound good after trying a variety of cables. I presume you've tried ICs that cost as much as $500-1000 a meter.
Your problems are not resolvable with cable tweaking. Look elswhere to make your system work for you .
When the system sounds good and you run out of money for anything more elaborate.
Once you get a feel for what the fundamental sound is for a type of metal a manufacturer, a geometry, you are at the point of diminishing returns.
Little is gained IMO by further changes if you can't make the system sound good after trying a variety of cables. I presume you've tried ICs that cost as much as $500-1000 a meter.
Your problems are not resolvable with cable tweaking. Look elswhere to make your system work for you .