![blue yeti microphone picking up keyboard blue yeti microphone picking up keyboard](https://west-games.com/wp-content/uploads/2021/05/razer-seiren-vs-blue-yeti.png)
But at least you should get 5-10dB less AC noise and centered at lower frequencies. This will have a lot of effect on its higher frequencies but the lower ones will still be heard. If you put headphones on, you can hear how turning the microphone (always on the cardioid setting) will change the level of the AC being recorded and you can pick the position that works best.
#Blue yeti microphone picking up keyboard manual
(I had a look on its manual to see what rejection you get on the back side but to my surprise I didn't find a polar diagram.)
![blue yeti microphone picking up keyboard blue yeti microphone picking up keyboard](https://m.media-amazon.com/images/I/71Nd7liEjwL._AC_SL1500_.jpg)
If this is not possible, the next best thing at the recording stage is to set your microphone to cardioid so that it picks up sound mainly from the front, and position it so that its back side is facing the AC.
![blue yeti microphone picking up keyboard blue yeti microphone picking up keyboard](https://homestudioexpert.com/wp-content/uploads/2020/12/Untitled-design-1.png)
Ideally you want that AC off while recording. This is the sort of problem that is best fixed at the source because AC noise has a very broad, uniform spectrum.