Thiel CS7's tweeter not working please help

hi, my name is ban mac. I would like to reach out for help to all experience audiogon members, please help. My thiel cs7 tweeter gave up on me last night during my normal late night listening. I would like to know where can i bring the tweeter to fix at? (The tweeter sit in the middle of the mid-range). The mid-range is fine, just the tweeter is out.

Thanks...

ban mac