I have a Sennheiser K6/ME66 microphone attached with an XLR cable to a Marantz PMD661 MKIII recorder.
I set my presets to: 16-bit/44.1khz sampling rate. Low cut off/high cut off/mic attenuation to 0db/manual recording, etc. I also have an internal battery in the sennheiser mic and phantom power is turned to off.
When I do this, I get a decent signal in my recording, but there appears to some amplitude cutoff. Almost like a limit/ceiling for the signal. Indeed, when I examine the file you can see a clear cutoff, where the audio above a certain threshhold is clipped completely. I attached a photo to show what I mean.
It’s like someone took scissors and cut the rest of my signal. I want my signal to be as “natural as possible”, so even if it goes over 0db in recording I want that to be reflected in the waveform. Very weirdly the problem gets sort of fixed when I turn low-cut on. I have no idea why this is, and it’s not a great solution since I don’t want to manipulate my signal prior to analysis.
Does anyone have any insight as to how to set up the marantz recorder so that it won’t limit my signal? If it helps, when I change the recording level, the “limit” just shifts a little but the same thing occurs.