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And you dial in your mic / preamp, how?

 
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Rick Riley
Flight Attendant


Joined: 12 Aug 2011
Posts: 807
Location: Portland, OR

PostPosted: Tue May 10, 2016 8:45 am    Post subject: And you dial in your mic / preamp, how? Reply with quote

Curious if anyone has used a tone generator that has its own speaker to dial in a mic.

Example: Put the tone in front of the mic. Dial in the Pre so it’s in/out is 0db. Then go down the line. If you use a limiter, make sure it’s putting out the same signal that’s coming in. If it goes into a mixer, make sure the settings on the mixer are putting out a 0db signal as well.

If you don’t dial it in, then your pre could be putting out a 0db signal while your limiter boosts or degrades it and then you make up for it with positive or negative gain on the mixer to get a 0db signal into your DAW.

Hope this isn’t confusing. Just wondering how others dial in a mic / preamp setting so it’s not boosted or diminished down the line to its final input.
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Bish
3.5 kHz


Joined: 22 Nov 2009
Posts: 3738
Location: Lost in the cultural wasteland of Long Island

PostPosted: Tue May 10, 2016 11:17 am    Post subject: Reply with quote

I have been known to use an old Casio mini keyboard with a key wedged down to check levels through the system. I honestly can't say that it was any real benefit... but it was an interesting experiment once I'd got the output level set to the same as my voice... well, the average of my voice... sort of, if I was speaking at a constant level with no dynamic range Smile
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NorthEndVoice
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Joined: 24 Jul 2005
Posts: 148
Location: Virginia/North Carolina/Florida

PostPosted: Tue May 10, 2016 11:48 am    Post subject: Reply with quote

Interesting....I was just thinking along the same lines awhile back.

I redo gain staging every now and then (with pink noise) since the inputs/outputs get turned and twisted occasionally. Fine for the line inputs but it misses the real world acoustic mic levels. I've just been finding a good, average mic level. and then work through the chain from there out to the Xstream and the digital interface.

Have you tried the speaker idea yet?

Les
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Monk
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Joined: 16 Dec 2008
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PostPosted: Tue May 10, 2016 11:55 am    Post subject: Reply with quote

Interesting.

I've always attacked gain structure this way:

Bring up the gain till the little light flashes, then turn it down two notches. Then I bypass everything else until it gets to the I/O device and make sure it's not too hot of a signal there. Done.

With my D4 preamp, I don't have a little light anymore, but I found I have to knock my U87 down with the pad to avoid coming in too hot on the input. Then everything is the same from there.
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