19"

C A 71 dB

B D 72 dB

A B 69 dB

B B 72 dB

B D 71 dB

C D 73 dB

B D 69 dB

C D 70 dB

C A 70 dB

C A 71 dB

D A 71 dB

C E 69 dB

B E 71 dB

B D 69 dB

C A 72 dB

B A 71 dB

C A 70 dB

C E 70 dB

C D 69 dB

B D 69 dB

C A 71 dB