need help with guitar string guage

[Jonnybmac]

Since I changed my strings on my guitar ive never been happy with the sound. I currently have on "Ernie Ball Super Slinky Phosphor Bronze Acoustic Guitar Strings 11-52" and the high notes seem to be a little too high and tinny.

I would love for them to sound like how this guy is playing but dont know much about guages. Do I need to go up the scale starting with a 12 or a 13?

I can provide a sound recording of my strings if that would help

This is my guitars note of the last chord of that video

http://s168.photobucket.com/albums/u179/spunkydamonkey/?action=view&current=6a45e9ec.mp4

 

[Jonnybmac]

Ive had these ones on for about 3 months and they havnt got any better. I know theres a break in period but that should only be a week max. most people change their strings every 1-2 months

 

[Jonnybmac]

Its just a cheap 80 pound guitar which i know wont ever sound the best but i thought i would atleast be able to get rid of that horrible high pitch on the higher strings. Ive looked up what tracy actually plays and its d'addario light guage which is what i think im going to try next, i just dont understand the difference between 9,10,11,12 or even 13? Is it just deeper the tone the higher you start off?