Re: FET OPAs for mikes

Jules Ryckebusch All Messages By This Member #37338 I am using the OPA1642. It is 5.1nV√Hz. The OPA1652 is 4.5?nV√Hz? Both are very good. What is your noise floor based on out of curiosity? Jules toggle quoted message Show quoted text On Mon, Apr 7, 2025 at 4:39?PM Richard Lee via <ricardo_lee=[email protected]> wrote: I'm a bit out of touch with modern OPAs but note there are a number of new DIY mikes using FET OPAs like Homero's Charis and the OPA Alice. ? I'm after a FET OPA with less than 3.5nV/rtHz noise @ 1kHz and good 1/f, popcorn noise bla bla. ? What do you guys use and recommend ?? -- Best Regards, Jules Ryckebusch 214 399 0931

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