Panasonic U-26PE1U6 Technical Data & Service Manual page 87

1-8. Noise Criterion Curves
Wall Mounted (Type K2)
: S-26PK2U6
MODEL
: High
SOUND LEVEL
Low
: Distance 3.3 ft., Under the unit 3.3 ft.
CONDITION
SOURCE : 208-230V, 1 Phase, 60Hz
90
80
70
60
50
40
30
Approximate
minimum
20
audible limit for
continuous noise
10
Overall 63 125 250 500 1000 2000 4000 8000
Frequency at center of sound pressure band (Hz)
48 dB(A)
38 dB(A)
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
1-79
1. Specifications
High
Low
1