Delta PG-35 Service Manual Page 35

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6-1
SOUND LEVEL CHARACTERISTICS
SM DELTA 1-E.2 GB
6. SOUND LEVEL CHARACTERISTICS
6.1 Sound Pressure Level
Figure 1. Wall Mounted Figure 2. Floor Mounted
Figure 3. Ducted Figure 4. Cassette
6.2 Soud Pressure Level Spectrum (Measured as Figure 1)
Delta 22 Delta 25
Hz, AND CE TER FREQUENC ES
APPROXIMATE
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
-70NC
-60NC
-50NC
-40NC
-30NC
-20NC
MICRO AR0. 02 dB re , OCT VE BAN S UN PRES URE L VEL
Hz, AND CE TER FREQUENC ES
APPROXIMATE
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
-70NC
-60NC
-50NC
-40NC
-30NC
-20NC
MICRO AR0. 02 dB re , OCT
VE BAN S UN PRES URE L VEL
FAN SPEED LINE
HI
ME
LO
CONTENT
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