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Author Topic: Mic'ing Electric Guitars: PART 1  (Read 4025 times)

TwilightOdyssey

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Mic'ing Electric Guitars: PART 1
« on: April 07, 2006, 01:51:39 AM »
With all the talk going around re: a BKP CD, I thought it would be cool to post a few examples of different mic'ing techniques that I thought yielded a really big guitar sound.

A common misconception people have is that if there is a guitar panned to the left and a guitar panned to the right then they are listening to stereo guitars. In fact, you are listening to multi mono guitars, since the original mono guitar tracks are simply panned left and right. True stereo recording requires at least one pair of matched microphones.

Something else I've noticed is that most guitarists are so used to hearing either direct guitars or guitars through modelers that they've become addicted to that very in-your-face sound. Not that there's anything wrong with that sound, but you're really missing out on the subtleties you can get when you postion mics to pick up room reflections and out of phase parts of the signal.

If enough people find this interesting/informative, I will  cover a few of the more obscure methods of mic'ing.

The methods I'm going to cover here are close mic'ing, room mic'ing, spaced pair mic'ing, and middle-side mic'ing.

CLOSE MIC'ING
As the name implies, you simply place a mic very close to one driver on the amp cab and move it around until you get a sound you like. This sound is very direct and doesn't allow for any of the room's reflections to get into the mic.

ROOM MIC'ING
There are several ways to achieve this, but in it's simplest form, you place one mic right on the cabinet, and you place another someplace further out so that it captures a bit of the direct sound, but mostly gets the room reflections. Some people face the mic in the opposite direction of the cabinet so that it's not getting ANY direct sound! You can then take the two signals and blend them to taste.

You have to make sure that both mic's are in phase. The simple way to do this is with the close mic turned up, raise the room mic until it is the same level. If the sound gets LOUDER, then they are in phase. If the sound gets SMALLER or doesn't seem to change, then they are out of phase and the room mic needs to be adjusted slightly.

SPACED PAIR MIC'ING
This method involves 3 mics. You mic the cabinet up close, as before. But now you place TWO room mics side by side facing the cabinet, further into the room. You pan one mic hard left and the other hard right. When blended in, this will give you a HUGE, but slightly defuse guitar sound. The amount of close mic'd guitar you mix in will have a baring on how much focus the sound will have.

I like using a stereo bar for this mic'ing technique, so you only use one stand and it's easy to set up.

MIDDLE-SIDE MIC'ING
To me, this is the most interesting mic'ing technique of the 4 mentioned, and it yields a HUGE guitar sound, but more focused than the spaced pair mic'ing technique.

You keep your close mic as before, but now you place another mic with a figure 8 pickup pattern either above or below the close mic, as close as possible without touching, and turn it SIDEWAYS. This mic will now be picking up all the sounds that are 90 degrees out of phase with the close mic.

When mixing, you need to copy/paste the side mic's audio to an empty track, and reverse the phase of one of them. You then pan them hard left and hard right, and VOILA, you have a stereo track. You then bring up the close mic and blend/pan to taste.

Here's a quick sample of the mic'ing techniques described above. The sample goes in the same order:
Close Mic
Close + Room
Close + Spaced Pair
Middle-Side

http://www.soundclick.com/util/getplayer.m3u?id=3754409&q=hi

Here's how the guitars sound when mixed. The guitar on the left was recorded using m-s mic'ing and the guitar on the right is spaced pair mic'ing. You can hear how they are both different, but the spaced pair seems to take up a lot more room on the mix.

 http://www.soundclick.com/util/getplayer.m3u?id=3754419&q=hi

Hope you find this helpful!!!

JamesHealey

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Mic'ing Electric Guitars: PART 1
« Reply #1 on: April 07, 2006, 11:42:49 AM »
I tried to get one of the technicians recording my bands demo to try different micing techniques but the arrogant b*&**ard wudnt let me he was like no no no straight up close micing is the only way ur gonna get a good metal sound.

absolutle shitee.

Muttley

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Mic'ing Electric Guitars: PART 1
« Reply #2 on: April 07, 2006, 12:08:57 PM »
Another way to get a fantastic sound is two mics.  Both close-mic'd, one straight at the dustcap of the speaker and the other angled towards the centre.  Just watch for phasing issues and adjust the angled mic accordingly.

Kinda like this:



Except not so close of course, no need to remove the speaker grille

This technique has been used extensively in the past, especially by Metal producer Fredrik Nordström who's recorded such bands as Arch Enemy, At The Gates, In Flames, Opeth and loads of others.

Muttley

dave_mc

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Mic'ing Electric Guitars: PART 1
« Reply #3 on: April 07, 2006, 12:46:04 PM »
Great article, TO.

Now i just need to buy a decent mic or two.

Damn PC world £10 pc-mic jobby!

 :twisted:

Brow

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Mic'ing Electric Guitars: PART 1
« Reply #4 on: April 08, 2006, 12:23:38 AM »
1 thing I do myself is to have 2 mics relatively close to the speaker, and in the positions of those in Muttleys picture, but use 2 different mics aswell as a room mic.

When recording my bands CD, I used an SM57 pointing directly intot he centre of the speaker, but moved it off centre slightly (to get rid of a little top end) and then used a Blue Baby Bottle (thanx TO! :D) mic about 3 feet away pointing directly into the centre of the speaker.

I then mixed in the signal from an AKG414 which was set back about 10 feet from the amp, to fill the sound out when required :)
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Davey

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Mic'ing Electric Guitars: PART 1
« Reply #5 on: April 08, 2006, 11:16:43 PM »
wow, even on my speakers, the diference is imense!

i've seen the miccing technique in muttleys post before, but the sound of the spaced pair mic is WOW, right in your face, while the middle-side one is broader, more 'airy'. would be great for tracking solos if you ask me.. or black flag type intros, so you dont need to add any extencive ambience to achieve a fuller spectrum.




very nice. i didnt realise there's THAT much diference!

i need to buy two more mics LOL
which mics did you use? and can ya post a couple of pics of your mic setup?

lepersmeesa

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Mic'ing Electric Guitars: PART 1
« Reply #6 on: April 09, 2006, 01:11:43 AM »
Good topic TO and good posts and tips as well  PDT_015

What i quite like doing is having your amp hooked up to two cabs. Then using around 6 mics....i know, excessive. 2 close mic'ed on each cab in different areas and then also 2 room mics.

What you do from there is choose 2-3 or your favs, blend them together and you will have a huge sound.

Another good one is to get a reamp box. Record one guitar part. Then reamp through a high gain amp ( Mesa eg ) then a more mid range ( Marshall eg ) then a clean ( DI ). If you mix those three tones together, it can be crushing but also at the same time, very clear.
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TwilightOdyssey

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Mic'ing Electric Guitars: PART 1
« Reply #7 on: April 09, 2006, 01:35:29 PM »
Thanx for the feedback & additional tips, guys.

lepermeesa: reamping IS really cool! There's an "inexpensve" but high quality reamp made by Radial Engineering, btw,

INEXPENSIVE ONE, http://www.radialeng.com/di-xamp.htm

MORE EXPENSIVE ONE, http://www.radialeng.com/di-jd7.htm

davey: I used affordable, garden-variety mics: Shure SM57, Oktava 319s.

Please note: There is a difference between the multi-mono schemes suggested and the true stereo mic'ing I demonstrated. The more mics you add, the bigger the sound can get. But if you're looking to fill space with a minimum number of guitar overdubs, stereo mic'ing, especially MS mic'ing, is the way to go.

Davey, I'll snap some pics later and post em!

Like davey said --  personally, I would use MS mic'ing for solos, and multi-mono for rhythm tracks.

MDV

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Mic'ing Electric Guitars: PART 1
« Reply #8 on: April 09, 2006, 01:58:11 PM »
Thats a dammed fine article, TO. Very helpfull to a recording n00b like me!

Petre

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Mic'ing Electric Guitars: PART 1
« Reply #9 on: April 10, 2006, 02:04:59 AM »
Great stuff! I just wish i had more than one mic... and i wish i hadnt payed out for this damn m-audio firewire solo interface  :x  ! Only allows for one mic and direct input guitar. Bit of a silly purchase really, as i dont do vocals and mic my guitar rather than DI. I could just get a mic -> jack cable and stick it in the direct input but dunno how it would cope.  :oops: still a little new to this recording stuff.

Cheers for the article tho! Damn useful

Petre