Low Cut Filter on Mic vs. Mixer?

[DrTodd]

Okay, I am going to ask a dumb question....

I have a Shure FP33 mixer that has a built in low cut filter. I also know that there is a low cut filter on my microphone. Is there any difference between using the one on my microphone vs. using the one on my mixer to reduce low frequency background crud while recording dialog?

Should I ever use both?

Thanks a lot.

 

[gpforet]

I use the low cut on my mics so any unwanted low frequencies do not inadvertantly trigger my limiters on my mixer and/or recorder.

 

[DrTodd]

Oh, yeah. That makes sense. I purchased a Oktava MK012 for capturing interior dialog and didn't know if I should spring for the low cut capsule or not. It sounds like it would be the best option. I don't want a lot of my input signal to be low end that I will be cutting anyway.

Thanks.

 

[Noiz2]

I use the low cut on my mics so any unwanted low frequencies do not inadvertantly trigger my limiters on my mixer and/or recorder.

Kind of depends on the signal chain. The limit sense point may be after the low cut in the mixer. It certainly makes sense for it to be. The MixPre certainly acts as if the low cut were before the limiter but?

I use the one on the MixPre because it's a lot easier to get to and change than one attached to a mic and the curves seem steeper. But with the Oktava you will probably keep it in the whole time so probably not a bad idea to have it on the mic and you can always augment with the mixers low cut if needed.