Polar coordinates making spectrum smaller. Is there a way to fix it?

[Nazar33180433c3la]

So im trying to recreate Spectrum like in that video.

But, 

It supposed to be "bigger", isnt it? Also it has an invisible barrier even though i applied Motion Tile and set Output Height to 260. Whats the matter?

[Nazar33180433c3la]

+ I have the same audio and its the exact moment.