Electra WNG 50 DCI Service Manual page 29

SOUND LEVEL CHARACTERISTICS
Sound Pressure Level Spectrum (Measured as Figure 1)
WNG 80
APPROXIMATE
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
BAND CENTER FREQUENCIES, Hz
6-2
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
Revision Y05-02
Service Manual - WNG 50_60_80 DCI
CONTENT