Howdy Ron. I added the CSC to my Silver uMax back around December (was a gift from my family) and I don't think I have taken it off since then, lol. My opinion follows, in regards to using it on my Silver....
Love it! Coverage is fantastic! You do lose some depth... I get a quarter around the 5 inch mark. Good enough for me. Lol
Pinpointing is Spot on!!! I get a hit... I simply wiggle it and move it backwards, and it pinpoints right off the tip!
It is "different", for me anyways, having been used to both my round coils on my Compadre and Silver... but I really like it!
It does scan from front to back, so again, lots of coverage... I "think" closer to the center of the "coil" it does go a bit deeper, can't say for sure.... but I am very satisfied. This is a fun coil to really allow coverage, without perhaps the greatest depth, but as I am jewelry hunter mostly... I am more that ok with the depth.
Also, will feel "funny" to swing at first, lol, because it is different. But I easily got used to it. Of course it's a bit heavier than my 8inch round coil... but, for me, was/is not a big deal.
Having used this now for several months, I find that its the "smaller"/"quieter" hits that usually end up being coin/ring etc... at the 4-5 inch mark... these "subtle" types of hits, with my old coil, I may not have always dug... but with this coil, on my machine, its ends up being a good target, so don't get fooled by thinking the quiet hits are small foil lol.
Although my Silver uMax was NOT balanced/tuned for this coil, it's has not been noisy or falsing, etc.... although Tesoro did recommend that I send in my Silver uMax and the coil and they would be happy to tune it for the coil... I ended up not doing that, seems to work fine and dandy... of course sometimes I wonder if it may even be deeper with having them tune it... lol, but again, i am satisfied the way it is. I set my Sensitivity, typically right up to max, and it has worked great in my parks etc. I usually hunt at MAX and in ALL METAL (again, am using a Silver uMax) and use MIN DISC to check the target, if it sounds the same, it gets dug, period. has worked out well for me. It has found small earrings and the such... actually I was/am quite surprised at the sensitivity, provided you "listen" and don't walk from those quieter hits.
I did just acquire a nice like new Bandido II uMax... will probably try it on that machine as well, as I can tune it on that machine... have no idea if the depth will be better or not.
Sooooo, all in all, even if it was not a gift, I'd buy this coil again in a heartbeat... its been a lot of fun and has paid for itself already several times over... but thats not why we all hunt, lol, its the fun of it. And I love it on the Silver. More than satisfied.
Hope that helps, there are others who experiences may vary etc... but, thats my .02 cents worth. Lol.
Good luck with whatever you do. If you have any other questions and think I could help you out, just let me know.
Take care.
Ron