Apple Power Mac G5 (Late 2005) - Manual (Page 28)

28 Technology Overview
Power Mac G5
Optical digital audio specifi cations
Input Output
Data format S/PDIF (IEC60958-3) S/PDIF (IEC60958-3)
Connector type Toslink optical (IEC60874-17) Toslink optical (IEC60874-17)
Sample rates
– External clock mode 32kHz to 96kHz 32kHz to 96kHz
– Internal clock mode 32kHz to 96kHz 32kHz to 96kHz
Bits per sample 16 or 24 16 or 24
Signal-to-noise ratio
– External clock mode Greater than 130 dB Greater than 130 dB
– Internal clock mode Greater than 110 dB Greater than 130 dB
Total harmonic distortion
– External clock mode Less than 0.00003 percent Less than 0.00003 percent
– Internal clock mode Less than 0.0003 percent Less than 0.00003 percent
Analog input specifi cations
Line input
Sample rates 32kHz, 44.1kHz, or 48kHz
Bits per sample 16 or 24
Jack type 3.5-mm stereo
Input impedance Greater than 47K ohms
Maximum input voltage 2V
rms
(+8.2 dBu)
Frequency response 20Hz to 20kHz, +0.5 dB/–3 dB
Signal-to-noise ratio Greater than 90 dB
Total harmonic distortion Less than 0.006 percent
Analog output specifi cations
Line output Headphone jack
Sample rates 32kHz, 44.1kHz, or 48kHz 32kHz, 44.1kHz, or 48kHz
Bits per sample 16 or 24 16 or 24
Jack type 3.5-mm stereo 3.5-mm stereo
Output impedance 24 ohms 24 ohms
Output voltage 1.4V
rms
(+4.1 dBu) 1.4V
rms
(+4.1 dBu)
Frequency response 20Hz to 20kHz, +0.5 dB/–3 dB 20Hz to 20kHz, +0.5 dB/–3 dB
Signal-to-noise ratio Greater than 90 dB Greater than 90 dB
Total harmonic distortion Less than 0.01 percent Less than 0.01 percent
Output power (into 32 ohms) — 20 mW
Based on typical performance specifi cations.
To learn more about audio and the Mac platform, visit www.apple.com/pro/audio.