Hitachi RPK-1.8HNBUSQ - Page 16

10
Selection Data
 Sound Data
Model Power Supply: Model Power Supply:
RPK-0.8HNBUSQ  RPK-1.0HNBUSQ 




Octave Sound Pressure Level (dB: Overall C Scale)
NC-15
NC-20
NC-25
NC-30
NC-35
NC-40
NC-45
NC-50
NC-55
NC-60
NC-65
NC-70
0
10
20
30
40
50
60
70
80
90
31.5 63 125 250 500 1k 2k 4k 8k
HH2
HH1
HI
ME
LO
SLO
Octave Sound Pressure Level (dB: Overall C Scale)
NC-15
NC-20
NC-25
NC-30
NC-35
NC-40
NC-45
NC-50
NC-55
NC-60
NC-65
NC-70
0
10
20
30
40
50
60
70
80
90
31.5 63 125 250 500 1k 2k 4k 8k
HH2
HH1
HI
ME
LO
SLO
Model
Power Supply:
Model
Power Supply:
RPK-1.3HNBUSQ

RPK-1.5HNBUSQ





Octave Sound Pressure Level (dB: Overall C Scale)
NC-15
NC-20
NC-25
NC-30
NC-35
NC-40
NC-45
NC-50
NC-55
NC-60
NC-65
NC-70
0
10
20
30
40
50
60
70
80
90
31.5 63 125 250 500 1k 2k 4k 8k
HH2
HH1
HI
ME
LO
SLO
Octave Sound Pressure Level (dB: Overall C Scale)
NC-15
NC-20
NC-25
NC-30
NC-35
NC-40
NC-45
NC-50
NC-55
NC-60
NC-65
NC-70
0
10
20
30
40
50
60
70
80
90
31.5 63 125 250 500 1k 2k 4k 8k
HH2
HH1
HI
ME
LO
SLO
Central Frequency (Cycle per Second)
Central Frequency (Cycle per Second)
Central Frequency (Cycle per Second)
Central Frequency (Cycle per Second)