Performance Standards
Frequency Band (cycles per second) | Sound-Pressure Level (decibels re: 0.0002 dyne/cm2) | |
|---|---|---|
20 to 75 | 75 | |
75 to 150 | 60 | |
150 to 300 | 54 | |
300 to 600 | 48 | |
600 to 1,200 | 45 | |
1,200 to 2,400 | 42 | |
2,400 to 4,800 | 39 | |
Above 4,800 | 36 |
Frequency Band (cycles per second) | Sound-Pressure Level (decibels re: 0.0002 dyne/cm2) | |
|---|---|---|
20 to 75 | 65 | |
75 to 150 | 50 | |
150 to 300 | 44 | |
300 to 600 | 38 | |
600 to 1,200 | 35 | |
1,200 to 2,400 | 32 | |
2,400 to 4,800 | 29 | |
Above 4,800 | 26 |
Performance Standards
Frequency Band (cycles per second) | Sound-Pressure Level (decibels re: 0.0002 dyne/cm2) | |
|---|---|---|
20 to 75 | 75 | |
75 to 150 | 60 | |
150 to 300 | 54 | |
300 to 600 | 48 | |
600 to 1,200 | 45 | |
1,200 to 2,400 | 42 | |
2,400 to 4,800 | 39 | |
Above 4,800 | 36 |
Frequency Band (cycles per second) | Sound-Pressure Level (decibels re: 0.0002 dyne/cm2) | |
|---|---|---|
20 to 75 | 65 | |
75 to 150 | 50 | |
150 to 300 | 44 | |
300 to 600 | 38 | |
600 to 1,200 | 35 | |
1,200 to 2,400 | 32 | |
2,400 to 4,800 | 29 | |
Above 4,800 | 26 |