Difference in sound between Siemens e88cc and e188cc?


Interested in user experience with the Siemens e88cc and e188cc. In my rig the Siemens e88cc offers great detail, clarity, imaging, nauturalness and dynamics, but is far less tonally saturated than the Amperex e88cc. Is the Siemens e188cc (forget CCa -- $) better in that regard? How do the Siemens e88cc and e188cc differ in sound?
pmboyd
PS. Yes, I've looked at Joes Tube Lore and VTV, etc. Interested in expanded commentary and user experience.
HI,
E188CC round getter sounds more like Amperex (USA).
A Frames sound more like Cca with more speed and closer to Voskhod 6323P mid 70's.
petg60... please elaborate. Does the Siemens e188cc have the same great clarity, detail, imaging, naturalness and dynamics as the e88cc, but a more saturated tonality, similar to Amperex? I find the e88cc seductive, but somewhat astringent.