Sun Microsystems Ultra 2 series Service Manual page 186

B
B.1.10.2 Built-In Speaker
B-12
Table B-3 Audio Inputs and Output
Stereo I/Os Specifications
Line In 2V typical, 4V max.; 5-50Ω impedance
Frequency 20 Hz-17 kHz +/- 0.5 dB
Response
Internal CD Input
Input Level 0.1 Vrms typical at 10 kΩ; 2Vpp max.
Distortion 0.01%, typical at 1 kHz
S/N Ratio 84 dB, typical IEC 179 A-weighted
Frequency 20 Hz-17 kHz +/- 0.5 dB
Response
Microphone Input 15 mV typical, 0.6-1.0 kΩ impedance;
+5 VDC input bias via a 2.2kΩ resistor
Headphone Output 1V typical, 2.4V max.; 16Ω-1kΩ impedance
Line Out 1V typical, 2.4V max.; 5-50 kΩ impedance
The system unit or server contains a cost-effective speaker. The speaker
provides audio functionality in the absence of external speakers. Audio from
all sources is available. Table B-4 lists the built-in speaker specifications.
Table B-4 Built-In Speaker Specifications
Speaker Specifications
Power Output 1.5W average, 3W peak
Distortion 0.02%, typical at 1 kHz
Impedance 16Ω +/- 20%
Frequency 150 Hz-17 kHz +/- 0.5 dB
Response
Ultra 2 Series Service Manual—May 1996