Sound Level Characteristics - Electra Monoblock 7 Service Manual

SOUND LEVEL CHARACTERISTICS

6.3 Sound Pressure Level Spectrum (Measured as Figure 2)
SP 11 Cooling
APPROXIMATE
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
BAND CENTER FREQUENCIES, Hz
SP 16 Cooling
APPROXIMATE
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
BAND CENTER FREQUENCIES, Hz
6-2
Fig.2 Microphone Distance from Unit
NC-70
NC-60
NC-50
NC-40
NC-30
APPROXIMATE
THRESHOLD OF
HEARING FOR
NC-20
CONTINUOUS
NOISE
NC-70
NC-60
NC-50
NC-40
NC-30
APPROXIMATE
THRESHOLD OF
HEARING FOR
NC-20
CONTINUOUS
NOISE
Revision Y05-01
CONTENTS
SP 11 Heating
BAND CENTER FREQUENCIES, Hz
SP 16 Heating
BAND CENTER FREQUENCIES, Hz
Service Manual - MOBILE Series
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20