MAYA44e声卡中文说明书

8. 技术参数

<模拟音频>

1. 采样率

- 32, 44.1, 48, 88.2, 96 kHz recording & playback 2. 模拟输入

1) connector type: 4 channel analog inputs

* 1/4" TRS (stereo) jack (line in 1 and 2) common with microphone input * 1/4" TRS (stereo) jack (line in 3 and 4) common with Hi-Z input 2) peak level: 0dBFS @ +6dBV

3) programmable gain: -48dB ~ +24dB (1dB step size) 4) impedance: 10K Ohm 3. 模拟输出

1) connector type: 4 channel analog line outputs * 1/4" TRS (stereo) jack 2) peak level: +6dBV @ 0dBFS

3) attenuation: -48dB ~ +0dB (1dB step size)

4) impedance: 33 Ohm (line out 1 and 2, headphone out), 33 Ohm (line out 3 and 4, headphone out) 4. 话筒前置放大器

1) mic preamp gain: +21dB 2) peak level: 0dBFS @ 246mV 3) +48V phantom power supply 4) impedance: 3.3K Ohm

5. Hi-Z / Guitar Input 高阻抗/吉他 输入 1) impedance: min. 330K Ohm 6. 耳机放大器

1) load impedance range: 32-300 Ohm (for best performance) 2) output power: 125mW @ 32 Ohm per channel

<数字音频>

1. 采样率

1) 32, 44.1, 48, 96 kHz input and output 2. A/D Converter 模数转换器

1) SNR: 102dBA (0dB @ fs=48kHz) 2) dynamic range: 102dBA 3) THD: -95dB (1kHz, -1dBFS) 4) interchannel isolation: 90dB 3. D/A Converter 数模转换器

1) SNR: 108dBA (0dB @ fs=48kHz) 2) dynamic range: 108dBA 3) THD: -97dB(1kHz, 0dBFS) 4) interchannel isolation: 100dB 4. 数字输入