[Author: Chris Gilroy *]
I love guitars. Something about them excites all my nerve endings. From softly picked acoustics to a mountain of amps at full blast. These nuanced instruments can be tricky to record. Luckily for you, I’m setting up for a session right now where we will be tracking distorted guitars for the next 3 days. Let’s talk a bit about getting some of the best results you can while recording and the things I will be doing for this session.
Before you even get into the studio to shred, find a few different examples of recordings where you, the artist, producer, or whoever is in charge of the project, are inspired by for this session. Guy Picciotto of Fugazi has a very different tone then Matt Pike of Sleep/High on Fire. Talk to your engineer about how these different sounds speak to you and how they were achieved. What amps, guitars, pedals, etc etc were used for tracking.
If you are engineering, you need to learn the different sounds between guitars. Why grab a Fender Stratocaster over a Telecaster? What’s the draw of a hollow body guitar? Each instrument sounds very different. Then there are amps! A Fender Deluxe sounds AMAZING when cranked, but very different from a Marshall JCM50. It is a never ending task for us to learn these differences. I’m not a guitarist (my mind was simpler and could only handle smashing two pieces of wood against a drum) so every session I work on I make sure we try a few amps and guitars. Mostly so we can make sure that we have a sound we are happy with in the room, but partially so I can listen to different combinations of instruments and amps, learning it and internalizing it.
Luckily I am fortunate enough to work in a place that has a bunch of great sounding amps. When you turn the gain till the pre amp starts to clip, we reach a magical land. Which is emulated through so many pedals. To get geeky for a second, a lot of distortion pedals are trying to recreate the sound of tube amps distorting. Housed in much smaller and cheaper enclosures they are create to throw a few flavors in your bag for a gig.
But these boxes use transistors and diodes to compress and clip your sound, which will flatten your dynamics and take a ton of life out of your guitar. Live they totally rule, but if you are in the studio and have a Marshall Bluesbreaker, you probably also don’t need that OCD pedal on. Turn up the amp, and rock out.
A hard balancing act while tracking distorted guitars is not OVER distorting. When we play live we have the benefit of watching the player’s hands on the instrument. We don’t get that same luxury through a recording. Our guitar sound must be clear enough to make out all the notes and harmonies played. For listening example, blink-182’s Enema of the State is laden with giant and punchy sounding guitars that we hear everything Tom DeLonge is playing. Back a few albums to Cheshire Cat, it is much more difficult to hear exactly what he is playing. His sound is muddied and a bit too crunchy to full hear everything. When we are tracking back down the amount of distortion a little less then when we play live. The clarity will come through but we still have the amp growl.
Kurt Ballou of Converge is a master at getting an insanely aggressive sound while still maintaining note clarity. Don’t get me wrong I LOVE horribly recorded black metal records. But after a short period of time my ears get fatigued because the guitars basically almost white noise (which then I wonder why I didn’t put on a Merzbow record).
When I double guitars I first make sure I know why we are doubling. Recently I finished mixing the new Nihiloceros EP. I wash’t involved in tracking, so during mixing I heard sections that I wanted a slight energy boost like after a bridge into the final chorus of a song. To solve this we tracked a meatier guitar sound to blend in slightly behind the rest of the guitar assault. Mixed in you can’t quite tell that there is another guitar, it just feels like the part swells a little more.
For another record, a new band from Philadelphia called Puriden, we wanted to have a massive wall of hard panned guitars. They had recorded an SG through a Vox AC30 as the main guitar. Since the guitarist has that rig as his tone, we didn’t want to lose the Vox sound so we doubled using the same amp and a Telecaster. This gave us enough sonic difference to know that we had two guitars, but have no phasing issues between the two.
Steve Albini spoke about this very eloquently in Mix with the Masters. In short, if you have a different initial sound source with a different timbre you decrease the chances of having phase issues. Even if it is a different amp, mic, etc, the initial harmonic character is the same. For the most clarity and less phase related issues down the line change your instrument. If you have the ability then change your whole rig but at the very least try a different guitar.
Micing amps is a whole other beast. This section alone can be a whole book so I will only briefly gloss over some ideas here. Or buy me a beer at a show and we can chat all night.
The placement of an amp in the room affects your sound dramatically. Having an open back amp against a wall will increase the amount of low frequencies in your sound. Having a small amp on the floor will increase first order reflections. Is the room large and live (reverberant) or tight and dry? Often the room sound will slip into your mics and affect your recordings. Speaking of mics, each type of mic responds differently and adds or subtracts to our sound.
The SM57, love it or hate it, will always be around and serve it’s duties wonderfully. Learn it and how to use it. Ribbon mics, like the Royer R-121, will add extra lower mids to your sound and often tame harshness. Condenser mics also sound incredible on amps. I love the sound of a Schoeps M22 (tube small diaphragm) on amps like a Fender Deluxe. Or a Soyuz 017 slays on guitar amps, as do so many other large diaphragm options.
Be mindful that each mic has a limit of how loud it can handle. If you have a Marshall Plexi at full blast some mics won’t be happy and give you thinner or distorted tones. You could also damage the microphone, like the sensitive ribbon mics, rendering them into very expensive door stops.
Placement of the microphone on the cabinet has a big change of sound. The more on the center of speaker cone you get, the brighter a sound you capture. As you move off axis, the sound gets a little darker, or warmer. How far or close your mic is will also change the timbre and room tone. Among other reasons, if you place a cardiod mic too close you will get a bass bump known as proximity effect. Listen to talk radio to hear this overused. Justin Colletti, of Sonicscoop, has this wonderful video exploring the different sounds we get with just this principle alone.
Originally I was hoping to get into mixing guitars, but that must wait till next time. The last point I want to drive home is that this is a skill set that we can always improve on. We are constantly learning. Go to conferences (AES), workshops, talks. Read magazines (Tape Op!) and watch videos. Talk to peers at all levels. Whenever possible I try assist other engineers. It lets me see how other people do things and handle situations. The amount I have learned from that or the conversations after the session about techniques and decisions used in the session has been monumental.
*[This article was written by Chris Gilroy, producer and house engineer at Brooklyn-based Douglass Recording. Chris earned his degree in Sound Recording Technology from UMass Lowell. Chris has worked with a diverse range of artists including Ron Carter, Mike Stern, The Harlem Gospel Choir, Christian McBride, to name a few.]
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