Philips SM30 Car Speaker User Manual


 
46
Audio signal level diagram
20114
104
94
84
74
64
54
44
34
24
14
10
4
0
-10
-30
-40
-60
-70
-80
-90
-110
-120
dB
10V
100mV
10mV
1mV
124
134
CST CSM CALL
MIM MUM
SM30
MUSIC
CONTROL
CENTRE
Limiter
CST
MIM
CSM
MUM
Noise
Noise
1V
Signal
dBV
SPL
9520/10
LBB
= Equivalent Input Noise
(RMS B=20kHz Flat)
1 µ V
10 µ V
100 µ V
-50
-100
DLL
MAX
GB/SM 30 user manual 5/26/98 10:18 AM Page 46