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Old 03-08-2017, 04:14 PM   #11
karbomusic
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Originally Posted by matthewjumpsoffbuildings View Post
Oh no this isnt interference. It is the actual pure noise floor that all digital preamps have, and its pretty much just white (or brown or pink, i can never remember which is which) noise.

Perhaps I worded it wrong - the noise is coming from the Analogue to Digital converters in my preamps, and all AD converters have a noise floor, some better than others. For example I have 3 preamps in my rack, and after level matching them, with nothing plugged into them, simply arming/monitoring them, they all exhibit a different db level noise floorIts definitely to do with the AD process

ReaFir is too slow from what i recall.
Just mentioning, it still isn't a 'digital preamp'; it's an analog preamp feeding an A/D converter. The converters aren't 'in' your preamps, they are after them but in the same enclosure.
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Last edited by karbomusic; 03-08-2017 at 05:27 PM.
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