Shure PG27-USB Mode D'emploi page 74

Max SPL
+20
+10
–10
–20
74
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PAD OFF: 124 dB SPL
PAD ON: 144 dB SPL
31 dB
0
2 3
20 50 100
20 dB
–81 dB
–78 dB
–30 dB FS
1000 Hz
4 5 6 7 9 8 2 3 4 5 6 7 9 8
1000 10000 20000
Hz