I too have a Zoom F4, purchased so I could capture 4 channels needed for the Sennheiser Ambeo VR (Ambisonic) microphone. Kudos to Zoom for getting the noise floor down (vs. the H4n, lol, which was really bad).  Using Schoeps mics for voice recording (CMC641 and CMIT5U), the extra quality provided by the Sound Devices preamps and complete audio path is worth it. From my own projects, the Sound Devices hardware is much fuller, more detailed, smoother, and has an analog feel to it. The Zoom F4 is c