Specifications

14
Noise Level
1/1 Octave Sound Pressure Level (dB, ref 20µ Pa)
Model
125Hz 250Hz 500Hz 1kHz 2kHz 4kHz 8kHz
Overall
A (dBA)
Noise
Criteria
M(4)RT060A
67 61 59 60 55 49 42 63 55
M(4)RT080A/AR
51 56 61 62 55 50 38 65 61
M(4)RT100A/AR
52 58 61 60 57 52 40 66 58
M(4)RT120A
68 64 62 65 60 53 45 68 64
M(4)RT150A/AR
58 59 65 67 61 54 42 70 66
M(4)RT200A/AR
57 60 63 66 61 53 41 70 65
M(4)RT250A/AR
76 72 70 71 65 55 46 74 66
M(4)RT300A/AR
77 72 71 72 65 55 46 74 68
Note:
1. M(4)RT080A/AR, M(4)RT100A/AR, M(4)RT150A/AR and M(4)RT200A/AR
- Microphone position: 1 m in front of the unit and 1 m above the floor.
2. M(4)RT060A, M(4)RT120A, M(4)RT250A/AR and M(4)RT300A/AR
- Microphone position: 1 m from the service panel and 1 m height from the floor level.