Grace Design M905 立体声控制器
北京全球音兰科技有限公司
中国 北京
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型号
Grace Design M905 立体声控制器
类型
其他
耳机输出音源
其他
插头类型
其他
用途
控制器
控制2M
控制1M
| 加工定制：否 |
Grace Design M905 立体声控制器详细介绍
| m905是Grace Design第二代的立体声监听控制器，内置了各种专业需求的输入和输出接口，包括模拟和数字，同时有异步USB输入来跟电脑做同步的24bit/192kHz回放。***多可连接3对监听音箱，2对低音炮和一个监听耳机。它的遥控部分很强大又很简介，包含了耳机输出、对讲话筒和独立的实时SPL表。m905主要特性：?模拟输入：非平衡、平衡、CUE和对讲话筒?数字输入：双AES 3、1个S/PDIF、1个TOSLINK、ADAT（4对立体声通道或SMUX模式双立体声通道）?异步的USB 2.0 USB接口，支持24bit/192kHz精度的回放?母带级别数字模拟转换器电路，带de-emphasis滤波?S-lock双段Phase Lock，极低的时钟时基偏移?LCD屏幕可显示输入、音量、输出、SPL和数字模拟转换器状态?通过内置的ECU话筒来显示的SPL表?耳机和监听音箱的音量调节精度为0.5dB?独立的单声道、衰减、静音、低音炮静音按钮?3个立体声监听输出接口，其中两个可接2.1 m905分主机和遥控器两个部分：（如下图） |
技术参数：
| ANALOG I/O | |
| THD+N at Maximum Volume, 1kHz, 22Hz-22kHz BW | |
| +20dBu out | <0.0008% |
| +10dBu out | <0.0008% |
| 0dBu out | <0.002% |
| Intermodulation Distortion SMTPE/DIN 4:1 50Hz, 7kHz | |
| @+20dBu out | <0.002% |
| @ 0dBu out | <0.0015% |
| Frequency Response | |
| Balanced Inputs +/-3dB | 3Hz to 1.25MHz |
| Unbalanced Input +/-3dB | 3Hz to 275kHz |
| Dynamic Range | |
| 20-22kHz bandwidth | 118dB |
| 20-22kHz bandwidth and A weighting filter | 121dB |
| Output Noise | |
| 20-22kHz bandwidth, at -20dB gain | -99dBu |
| 20-22kHz bandwidth and A weighting filter, at -20dB Gain | -102dBu |
| Phase Deviation | |
| 20Hz to 20kHz | <10 degrees |
| 10Hz to 100kHz | < 19 degrees |
| Crosstalk any channel | |
| 100Hz | <104dB |
| 1kHz | <100dB |
| 20kHz | <79dB |
| Balanced Input CMRR | |
| 60Hz | >90dB |
| 1kHz | >85dB |
| 10kHz | >70dB |
| Gain Range | -104dB to +13dB |
| Channel Tracking Accuracy | |
| Any channel | +/-0.1dB |
| Maximum Output Level | +26dBu |
| Maximum Input Level | |
| Balanced inputs | +29dBu |
| Unbalanced inputs | +21dBu |
| Impedances | |
| Balanced inputs | 88k Ohms |
| Unbalanced inputs | 53k Ohms |
| Balanced outputs | 300 Ohms |
| Minimum load impedance | 300 Ohms |
| External Talkback Mic Preamp Gain | +7dB to +70dB in 1dB steps |
| DIGITAL TO ANALOG CONVERTER FIXED OUTPUTS | |
| Output Levels | |
| User selectable (0dBFS) | -76dBu to +24dBu in 0.5dB steps |
| Fixed output trim range (0.5dB steps) | |
| THD+N | |
| 1kHz, -1dBFS, (0dBFS = +20dBu), 20-22kHz bandwidth | 0.0006% |
| Dynamic Range | |
| 20-22kHz bandwidth, 0dBFS = +20dBu (AES17 filter) | 117dB |
| 20-22kHz bandwidth, 0dBFS = +20dBu (A-weighted) | 119dB |
| Input Lock Range | |
| AES3/SPDIF | 44.1kHz +/-400Hz 48kHz +/-700Hz 88.2kHz +/-1200Hz 96kHz +/-1300Hz 176.4kHz +/-2000Hz 192kHz +/-2000Hz |
| TOSLINK | 44.1kHz +/-400Hz 48kHz +/-700Hz 88.2kHz +/-1200Hz 96kHz +/-1300Hz |
| ADAT LIGHTPIPE? 8 Channels at 44.1kHz and 48kHz 4 Channels at 88.2kHz and 96kHz (s/mux) | 44.1kHz +/-50Hz 48kHz +/-70Hz 88.2kHz +/-50Hz 96kHz +/-70Hz |
| USB Supported Sample Rates | 44.1, 48, 88.2, 96, 176.4, 192kHz, DSD64 2.8224MHz, DSD128 5.6448MHz |
| s-Lock? Capture Range | |
| 44.1kHz | +/- 6Hz |
| 48kHz | +/- 7Hz |
| 88.2kHz | +/- 14Hz |
| 96kHz | +/- 20Hz |
| 176.4kHz | +/- 24Hz |
| 192kHz | +/- 30Hz |
| Word Clock / Superclock Input | |
| Impedance (switchable) | 75 ohm / 1Meg ohm |
| Minimum Voltage | 3V peak to peak |
| Maximum Voltage | 5V peak to peak |
| Word clock frequencies supported | 44.1, 48, 88.2, 96, 176.4, 192kHz |
| Superclock frequencies supported | N/A |
| POWER SUPPLY / GENERAL | |
| Power consumption | 60W |
| Input Voltage 50-60Hz | 100VAC – 240VAC |
| Dimensions | |
| Main chassis IEC 2U | 3.5" x 10.5" x 17" |
| Remote control unit | 8.9" x 5.1" x 2.2" |
| Weight | |
| Main chassis | 7.8lbs |
| Remote control unit | 2.2lbs |
