I use a 3 x 18 CS on my Silver Sabre.
Today, I went over part of a nicely mowed grassy park after hitting the sand volleyball court.
It covers real estate fast!
I do not feel it is a deep seeking coil. Cannot recall digging a target deeper than 4, maybe 5" at most in our CA dirt/turf.
Pinpointing is excellent.
Response time of the Sabre is so good, a wiggle of the tip, (or tail), of the bar as you pull back determines where the target is.
When audio drops out, target is just about an inch behind, (inside, underneath), tip of the bar.
I do not feel targets would be missed, because of the quick Tesoro response/recovery time.
If I get a 'confused' audio tone, I stop my pace, as with any target, and step aside for a swing from another angle.
I don't whip the coil, but do use a brisk swing, generally.
A slow sweep is NOT necessary.
I definitely consider it a surface tool, and return with a machine using a concentric coil if promising.
It is the only coil I use a scuff cover on.
HH
rmptr