Recently I sold my Sound Devices 744T 4-Channel Portable Audio Recorder with Time Code and Sound Devices 442 Portable 4 Channel Field Mixer. The end game was to replace them both with the SD 644. The 664 Field Production Mixer is the flagship in Sound Devices’ line of portable audio mixers. It has 12 analog inputs, four output buses, and records these 16 tracks to both CF and SD cards. This unprecedented amount of I/O connectivity and recording capability makes the 664 perfect for a wide range of production applications. I was able to put it to work as soon as it arrived. As is the trend, a lot of hardware such as the former tiny switches for phantom power, etc. were replaced with software controls. It was daunting at first but the functions are quite intuitive for the little knowledge I have in this discipline. It is a compact solution and offers redundancy while recording simultaneously to SD and Compact flash. The only complaint I had was the media has to be removed in order to download files whereas my previous recorder had the option of using a USB cable connection. I even connected it to a Zoom recorder just as an added security.
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