HP C160 Owner's Manual page 34

Product Information
System Unit Rear Panel Connectors
•
Table 4 summarizes the audio electrical specifications for the Model C160/
C180/C200/C240/C360 workstations.
Table 4 Audio Electrical Specifications
Frequency Response
Input Sensitivity/Impedance
Line Out
Microphone
Max Output Level/Impedance
Line Out
Headphone
Speaker
Output Impedance
Line Out
Headphone
Signal to Noise
Line Out
Headphone
Speaker
Line In
Microphone
THD (w nominal load)
Line Out
Headphone
Speaker
Line In
Microphone
To convert from dB to number of significant bits, use the
formula: n=dB/20 log10 = dB/6. For example, for 61dB
S/N then n=61/6 10 significant bits, or in other words,
about 6 bits of noise.
16
Built-in mono speaker
Audio CODEC
Crystal CS4215
25-20,000Hz
2.0Vpk/47k ohm
22mVpk/1k ohm
2.8Vpp/47k ohm
2.75Vpp/50 ohm
5.88Vpp/48 ohm
619 ohm
118 ohm
65 dB
61 dB
63 dB
61 dB
57 dB
-73 dB
-70 dB
-68 dB
-75 dB
-73 dB