Compaq C160, C240 Audio Electrical Specifications Frequency Response, Input Sensitivity/Impedance

Product Information

System Unit Rear Panel Connectors

Built-in mono speaker

•Audio CODEC Crystal CS4215

Table 4 summarizes the audio electrical specifications for the Model C160/ C180/C200/C240/C360 workstations.

Table 4	Audio Electrical Specifications
	Frequency Response	25-20,000Hz
	Input Sensitivity/Impedance
	Line Out	2.0Vpk/47k ohm
	Microphone	22mVpk/1k ohm
	Max Output Level/Impedance
	Line Out	2.8Vpp/47k ohm
	Headphone	2.75Vpp/50 ohm
	Speaker	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
	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.

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