18"

C B 69 dB

B D 69 dB

C E 72 dB

D A 73 dB

B A 69 dB

D C 71 dB

B E 70 dB

C E 70 dB

D E 69 dB

C A 72 dB

D B 74 dB

C E 71 dB

B A 70 dB

B E 72 dB

C B 71 dB

B B 71 dB

C E 72 dB