Hello Dominique
First of all, your second version - without the phasing issues - sounds better and not so cheesy than the first.
I've checked your file now.
There are several resonances in the high range, which are "singing" soon when you increase the frequencies at their points.
So I suppressed them only for some dBs and I used also a high cut filter (6dB/Oct).
Maybe it sounds already too dark now...
I used the Fabfiltre because you can nicely make out what corrections I made.
How does it sound? Originalsound After the filter
After this correction you could use another (musical) EQ now for giving air, warmth, or any other "colour")
As I mentioned above in an other post: Such correction you should normally do in each track and not in the sum because you don't only suppress resonances this way but also the frequencies of those instruments which are sounding correct at these certain points.
And also: If you have the Suite Effects you will find within the presets the EQ the one called "Dimension Strings Ensemble Violins Resonance Menu" and dito for the violas, cellos,...
Those presets can be a help as a starting point.
All the best
Beat
- Tips & Tricks while using Samples of VSL.. see at: https://www.beat-kaufmann.com/vitutorials/ - Tutorial "Mixing an Orchestra": https://www.beat-kaufmann.com/mixing-an-orchestra/