HP C100/110 - Manual (Page 27)

11
System Overview
System Unit Rear Panel Connectors
The audio electrical specification for this workstation are summarized in
Table 1.
*To convert from dB to number of significant bits, use the formula:
For example, for 61dB S/N then n=61/6 or approx. 10 significant bits, or in other
words, about 6 bits of noise.
Table 1 Audio Electrical Specifications
Frequency Response 25-20,000 Hz
Input Sensitivity/Impedance
Line In 2.0Vpk/47k ohm
Microphone 22mVpk/1k ohm
Max Output Level/Impedance
Line Out 2.8Vpp/47k ohm
Headphone 2.75Vpp/50 ohm
Speaker (internal) 5.88Vpp/48 ohm
Output Impedance
Line Out 619 ohm
Headphone 118 ohm
Signal to Noise*
Line Out 65 dB
Headphone 61 dB
Speaker 63 dB
Line In 61 dB
Microphone 57 dB
THD (w nominal load)
Line Out -73 dB
Headphone -70 dB
Speaker -68 dB
Line In -75 dB
Microphone -73 dB
'n
dB
20 10 log
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dB
6
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