19"

C E 70 dB

C D 69 dB

B D 69 dB

C A 71 dB

B A 70 dB

B A 70 dB

B E 70 dB

B E 71 dB

D B 72 dB

C E 71 dB

C E 71 dB

C B 72 dB

B A 72 dB

C B 71 dB

B E 71 dB

C B 71 dB

B D 69 dB

B D 69 dB

C A 73 dB

B A 73 dB