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Thread: FYI for mic/pres plugged into Audio interfaces that have Built in Mic-pres.

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    FYI for mic/pres plugged into Audio interfaces that have Built in Mic-pres.

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    My son went to record last night at a friends house. I guess he been listening to me about having a clean signal chain for mics.

    He told his friend that there was too much noise in the mic. So his friend then put a gate on it. My son then told him
    that there is still noise whenever the gate if off while speaking into the mic. So he called me. I told him I would have
    to come see it and listen. I never had to listen because he was running a mic/preamp plugged into the audio interface's
    mic/pre. They keyboard player had a extra DI-Box. Simple. Mic>Mic/pre>DI>audio interface mic in.

    For those who may not know.
    Strap it Cross Dat Stereo Buss !!

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    Well, technically, he should have gone from the mic to the interface mic in. But, if there's a mic pre, it goes to a LINE IN, not the Mic in. There should be no need for a DI.
    "... I know in the mornin' that it's gonna be good
    when I stick out my elbows and they don't bump wood." - Bill Kirchen

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    Quote Originally Posted by keith.rogers View Post
    Well, technically, he should have gone from the mic to the interface mic in. But, if there's a mic pre, it goes to a LINE IN, not the Mic in. There should be no need for a DI.
    Mic Pre is better than the Audio Interface's mic/pres. DI

    If I am wrong, then please explain it. I learn something new everyday.
    Strap it Cross Dat Stereo Buss !!

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    i was told going into to the Mic IN is ok too, the 2nd preamp becomes a pad like thing.
    It works, but Line In is the first choice in most diagrams Ive seen.

    some pro's I was reading today mention the weaker less desirable preamp can hinder the sounds a bit e the Line In would bypass. I dont know how old some of this folklore is based off of though. My personal experience I couldnt hear a big difference going into one or the other.

    if it's not happening in the room, it ain't gonna happen on tape.-HG

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    Quote Originally Posted by malcolm123 View Post
    Mic Pre is better than the Audio Interface's mic/pres. DI

    If I am wrong, then please explain it. I learn something new everyday.
    Well, first you have to define better. Some can be better, but it's nothing I'd take for granted. It depends on the mic pre and the interface. I probably wouldn't put a cheap mic pre between a good mic and a Focusrite Clarett, for instance, but in any case, I'd always suggest actually recording both ways to compare.

    And, with the pieces you've strung together, you're going through the interface's mic preamp anyway.

    But, if we just assume this is a good preamp and it makes the mic'd performance sound better (edit, or perhaps it was necessary because the i/f didn't have sufficient gain), then it will be better to plug it into the line input of the interface.

    I'm assuming, of course, that the interface has a line input!
    "... I know in the mornin' that it's gonna be good
    when I stick out my elbows and they don't bump wood." - Bill Kirchen

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    Quote Originally Posted by keith.rogers View Post
    Well, technically, he should have gone from the mic to the interface mic in. But, if there's a mic pre, it goes to a LINE IN, not the Mic in. There should be no need for a DI.
    Quote Originally Posted by malcolm123 View Post
    Mic Pre is better than the Audio Interface's mic/pres. DI

    If I am wrong, then please explain it. I learn something new everyday.
    It would be interesting to know the original I/F -mic pre situation to cause excess noise. Likely gain had to be jacked up perhaps? Yet if it was ok with the external pre (and D/I), I'd bet what happened was the I/F pre saw higher level, and worked better set lower.
    A mic pre can do ok seeing a 'line out', as long as the level up stream is tamed and input it isn't clipped.
    Might could have done the same w/o the D/I, but maybe the D/I helped loose some level to make it happen?
    Placebo stomps 96k ....... Recent projects
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    Quote Originally Posted by CoolCat View Post
    i was told going into to the Mic IN is ok too, the 2nd preamp becomes a pad like thing.
    It works, but Line In is the first choice in most diagrams Ive seen.

    some pro's I was reading today mention the weaker less desirable preamp can hinder the sounds a bit e the Line In would bypass. I dont know how old some of this folklore is based off of though. My personal experience I couldnt hear a big difference going into one or the other.
    You have a link to what you were reading?
    "... I know in the mornin' that it's gonna be good
    when I stick out my elbows and they don't bump wood." - Bill Kirchen

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    RME-QuadMic-II running to some type of M-Audio box. He say he got the RME from his Dad's friend.
    Strap it Cross Dat Stereo Buss !!

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    Quote Originally Posted by keith.rogers View Post
    You have a link to what you were reading?
    Some people may have only 1 Mic/line and 1 input on the audio interface.

    Active bass guitar, etc>Passive DI>Audio Interface's input..
    Passive bass guitar, etc/Non condenser mic (No Phantom)>Audio Interface's input.
    Condenser mic (Phantom)>Mic preamp>Passive DI>Audio Interface's input... XLR or Input.

    If Audio Interface's "Input" has a "Line/Inst" switch,, then switch to line and forget about a DI Box.
    Strap it Cross Dat Stereo Buss !!

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    Quote Originally Posted by malcolm123 View Post
    RME-QuadMic-II running to some type of M-Audio box. He say he got the RME from his Dad's friend.
    That RME preamp is rubbish unless modified in a secret way known only to ME! PM me IMMEDIATELY and I will pay shipping plus a nifty for your trouble.....

    Heh! Does his dad's friend KNOW he has it? Over 1/2 a bag's worth of kit in the hands of noobs!

    Dave.

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