18"

D C 73 dB

C C 72 dB

D A 71 dB

D B 72 dB

D B 72 dB

B A 69 dB

D D 72 dB

C C 73 dB

C B 71 dB

C E 72 dB

B A 69 dB

D B 72 dB

B A 71 dB

B A 71 dB

B C 72 dB

D A 71 dB

C A 72 dB

C E 72 dB

D A 71 dB

C A 72 dB