Specifications

20
Noise Level
MCK-A/AR
1/1 Octave A-weighted Sound Pressure (dBA), ref 20µPa
Model Speed
125Hz 250Hz 500Hz 1kHz 2kHz 4kHz 8kHz
Overall
A(dBA)
Noise
Criteria
High 46 45 40 38 32 21 14 42 37
Medium 44 43 37 33 28 18 12 39 32
MCK 020A/AR
Low 43 42 35 31 26 17 11 37 31
High 48 46 43 39 33 27 19 45 38
Medium 45 43 40 35 29 21 15 42 35
MCK 025A/AR
Low 43 42 38 32 27 19 14 40 33
High 50 48 47 43 37 35 28 49 42
Medium 48 45 43 38 32 31 27 45 38
MCK 030A/AR
Low 46 43 41 35 30 30 26 43 36
High 50 49 49 46 39 38 31 51 45
Medium 48 47 47 43 36 34 25 48 42
MCK 040A/AR
Low 46 45 46 41 34 30 23 46 41
High 54 52 51 48 43 42 34 53 47
Medium 52 50 50 46 41 40 32 52 45
MCK 050A/AR
Low 51 49 49 45 39 39 31 50 45
MCK-B/ BR
1/1 Octave A-weighted Sound Pressure (dBA), ref 20µPa
Model Speed
125Hz 250Hz 500Hz 1kHz 2kHz 4kHz 8kHz
Overall
A(dBA)
Noise
Criteria
High 41 42 42 34 30 23 13 41 37
Medium 40 40 39 30 28 17 10 38 34
MCK 015B/BR
Low 38 39 38 29 27 15 8 36 33
High 42 43 43 35 31 24 14 42 38
Medium 40 42 41 34 30 23 12 40 36
MCK 020B/BR
Low 39 40 38 29 28 15 9 37 33
High 47 45 46 38 34 28 17 45 41
Medium 42 43 43 35 31 24 14 42 38
MCK 025B/BR
Low 40 41 40 32 30 20 11 39 35
MCK-C/CR
1/1 Octave A-weighted Sound Pressure (dBA), ref 20µPa
Model Speed
125Hz 250Hz 500Hz 1kHz 2kHz 4kHz 8kHz
Overall
A(dBA)
Noise
Criteria
High 43 46 43 40 33 30 20 44 39
Medium 42 44 42 39 32 28 19 43 38
MCK 010C/CR
M5CK 010C/CR
Low 41 43 40 37 30 25 17 42 36
High 45 43 42 39 34 30 19 44 38
Medium 44 42 40 38 33 28 17 42 37
MCK 015C/CR
M5CK 015C/CR
Low 43 41 39 36 31 25 16 41 35
High 46 46 45 42 36 38 26 47 41
Medium 45 46 43 41 35 37 23 46 40
MCK 020C/CR
Low 43 44 42 39 33 35 20 44 38