19"

A A 69 dB

D B 74 dB

B B 72 dB

A B 69 dB

D A 72 dB

D C 70 dB

C E 71 dB

C C 70 dB

B D 69 dB

C A 72 dB

B A 70 dB

C B 72 dB

C B 71 dB

B A 70 dB

C B 71 dB

C B 71 dB

C A 72 dB

B D 69 dB

C B 72 dB

C C 71 dB

C E 72 dB

A A 73 dB

C B 71 dB

B E 71 dB