TEAC DW-224E-V Hardware Specification - Page 9

5. PERFORMANCE 5.1 Operating Performance (1) Average random access time : 90msec average (CD-ROM, 24x), 110msec average (DVD-ROM, 8x) (2) Disc speed : Refer to 4.2 (3) Data transfer rate (a) Read sustained : 1,545 to 3,600kB/sec (CD-ROM model) 4,469 to 10,816kB/sec (DVD-ROM) (b) Programmed I/O : 16.7MB/sec max (Mode 0 to 4) (c) Multi-word DMA : 16.7MB/sec max (Mode 0 to 2) (d) Ultra DMA : 33.3MB/sec max (4) Starting time (a) When power is switched on/when disc is loaded : 19sec max (excluding the multi-session CD) (b) Return time from the standby mode : 4sec or less (5) Data buffer capacity : 2MB 5.2 Audio (1) Line output The following specifications apply during audio play. (a) Number of channels : 2 channels (stereo) (b) Frequency response : 20 to 20kHz (±3dB) (c) Dynamic range : 83dB or more (IHF A, 1kHz, LPF 20kHz) (d) S/N : 85dB or more (IHF A, 1kHz, LPF 20kHz) (e) Distortion factor : 0.05% or less (1kHz, 20kHz LPF) (f) Channel separation : 70dB or more (1kHz, 20kHz LPF) (g) Output level : 0.8Vrms ±3dB (load = 47kΩ ATT = 0dB) (h) Muting : each channel independent (using the ATAPI command) (i) Volume : Software volume using the ATAPI command; 255 steps from volume level 0 to −∞ (infinity) dB; variable for each channel independently. 5.3 Acoustic Noise (1) Operating (2) Ejecting : 45dBA or less (during seek/read/write/Active/Idle, distance 0.5m) : 65dBA or less (distance 0.5m) - 7 -