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C-42 Sun Ultra 60 Service Manual • August 2001
C.2.2 Built-In Speaker
The system unit contains a cost-effective speaker. The speaker provides audio
functionality in the absence of external speakers. Audio from all sources is available.
TABLE C-15 lists the built-in speaker specifications.
Hard drive,
1.6-inch
7200 rpm
2 1.5 3.0 1.65 3.3 20.0 40.0
Mammoth
tape
1 2.4 2.4 0.7 0.7 17.0 17.0
DBZ graphics 0 0.4 0 5 0 0.1 0 20 0.0
PCI (5 Vdc)
4
312
0.5 2.0 0.1 0.4 15 60.0
PCI (3.3 Vdc) 4.6 18.2
MII 1 0.8 0.8 4 4.0
Fan 2 0.4 0.8 4.8 9.6
Total 20.0 28.4 15.4 15.4 26.7 32.0 4.9 7.0 0.1 0.4 185 264
TABLE C-15 Built-In Speaker Specifications
Speaker Specifications
Power output 1.5W average, 3W peak
Distortion 0.02%, typical at 1 kHz
Impedance 16Ω +/- 20%
Frequency response 150 Hz to 17 kHz +/- 0.5 dB
TABLE C-14 Mass Storage Device Power Estimates (Continued)
Description Qty
5-Vdc
System
(amps)
2.5-Vdc Core
(amps)
3.3-Vdc
System
(amps)
12-Vdc
System
(amps)
-12Vdc
System
[amps]
Watt
(max
)
Watt
(max
)