Converge’s 6-string steamroller—who also happens to be a famously heavy and in-demand producer (and gear designer)—takes PG inside his GodCity Studio to talk mics, tracking, instrument building, and more.
If you’ve thought to yourself, “this is the most vicious-sounding record I’ve heard,” chances are Kurt Ballou’s fingerprints are on it. Since officially starting in 1995 inside his parents’ garage and eventually opening GodCity Studio’s doors in 2003 (in “Witch City” Salem, MA, no less), Ballou has chiseled out granite tones for bands like Every Time I Die, High on Fire, Torche, Cave In, Old Man Gloom, American Nightmare, and Kvelertak. (“He brings a lot to the table, and he’s been pretty important in terms of how our sound got formed,” Kverlertak’s Vidar Landa in a PG interview on working with Ballou.) Oh, and we can forget his genre-shaping band Converge, that he’s played guitar in since 1990, co-produced since 2001’s hardcore pillar Jane Doe and been the console captain since 2006’s No Heroes.
As you’ll soon find out in this hour-plus episode, the dude is fascinated with every component of guitar tone. In between recording projects and creating new instruments and pedals, Ballou virtually welcome PG’s Chris Kies into GodCity Studio. In this Rig Rundown, Ballou details his own GodCity Instruments Craftsman Series 1 (something he calls a “simple rock ’n’ roll machine”), provides a crash course on mics (types and techniques), and shows off additional GCI pedal wares—and a few foreign specimens—that contort, mangle, and destroy any (in the prettiest way possible) guitar’s native tongue.
D'Addario Auto Lock Strap:https://ddar.io/AutoLockStrap
[Facing a mandatory shelter-in-place ordinance to limit the spread of COVID-19, PG enacted a hybrid approach to filming and producing Rig Rundowns. This is the 38th video in that format.]
As you’ll quickly find out, if Kurt can’t find exactly what he’s after, he’ll design something that will get the job done. Above is his first guitar—built under the God City Instruments brand—called the Craftsman Series 1. This one features a chambered mahogany body with a spruce top (“it’s incredibly resonant, snappy, and lively”), set-neck construction (maple neck/wenge fretboard), 25.5" scale, Graph Tech nut and bridge, and a custom-wound, hot Slugjammer humbucker (13k output, 44 AWG). He prefers D’Addario NYXL strings (.011–.052), hammers away with Planet Waves Duralin picks .70 mm (yellow), and Ballou uses a bunch of tunings for Converge, but two of his favorites are “a little out of tune” D standard and one he calls “open Slayer” (C–F#–C–F#–C–F#).
(This isn’t the first time we’ve seen a God City Instruments’ Craftsman Series 1 on a Rig Rundown. For those that missed it, Djunah’s Donna Diane rocked out a wenge-top Craftsman Series 1 in her Rundown in late 2020.)
A close-up of his Malcolm Young-inspired Craftsman Series 1 body.
Need proof that Converge have diehard fans all over the world? Look no further than this Sparrows’ Sons head that was built for (and sent over to) Kurt from their Belarus guitar shop. He doesn’t know much about the circuit, but he notes in the Rundown that early in the signal path sits an active inductor-based midrange boost that sort of acts like a Neve preamp. Another think he mentions is that its gain knob is a dual pot that controls two tube stages at the same time giving the amp a wide range of crunch. (Ballou admits that he doesn’t use it for clean and rather make it a blast furnace of rock.)
The handmade beast (even has handwound inductors) floored Ballou enough that he ordered a second head for his European setup (but has since brought it home). He believes he owns are two of four or five in existence.
The Sparrows’ Sons custom jobber runs into a massive Emperor 6x12 that is loaded with various speakers, but what was mic’d and recorded for the Rundown were a pair of Eminence Texas Heats.
Because he’s Kurt and he’s awesome, not only did he treat this like a recording session, but he used four mics, in four different positions, to show how each works independently and how they work in unison to create a monolithic sledgehammer. The lineup starts (left to right) with an AEA N22 active ribbon mic, Heil Sound PR 30 large diaphragm dynamic supercardioid mic, a Rode (top) Reporter omnidirectional dynamic mic, and an sE Electronics X1 D large diaphragm unidirectional condenser mic.
“One of the nicest things about owning a studio and designing pedals is that I can figure out what do I have a need for,” admits Ballou. And as you’ll soon find out, his biggest (and constant) need is angry, violent, metallic distortion. Starting at the top left (and then going clockwise), we have the Demedash Effects T-120 Videotape Echo. “This is one of the coolest analog delay pedals,” giddily asserts Ballou. He loves the overall functionality of the pedal and its feature set, but the icing on the cake is that when bypassed you can hold down the left footswitch and it will act as a momentary freeze/shimmer/oscillator. Next you have the Shift Line A+ Astronaut III Multiverb Space Unit. Kurt got hip to this pedal when Converge was touring Russia and ventured into a guitar store in St. Petersburg. For this pedal, Kurt’s go-to setting is the reverse shimmer.
The single-knob red GCI design (Oh Yes!) is Kurt’s latest creation (mentions tentatively it may be called Onslaught) that is a “mid-forward, ultimate thrashy, djenty, clanky, articulate, heavy guitar pedal.” The red pedal on the right is Kurt’s first original codesign—the SBD or Super Beatle Distortion—that was inspired by a circuit from Fu Manchu bassist Brad Davis’ Creepy Little Fingers. Taking it up a notch, Ballou added in an active mid boost in front of the fuzz circuit. Additionally, he boosts the bass level after the fuzz circuit so it sounds huge.
Next up in green is the God City Instruments OGR (a collaboration with Electronic Audio Experiments’ John Snyder). The Optical Gain Reduction is a compressor that Ballou uses on every bass-recorded track in God City Studio.
Then there is the Foxrox Electronics Octron2 (inspired by the guitar feedback lassoed by Mahogany Rush guitarist Frank Marino) that Ballou uses for thorny solos that bristle with weird overtones and elastic ghost notes. Following that is a newer GCI Crimson Cock (original codesigned with Rob Davis) that is a treble booster loosely based on the Rangemaster circuit with an added range control (a cap blend on the input) and the switch toggles in a Muff stage at the end of the circuit.
The penultimate stomp is the God City Instruments Ape Eye (collaborated with Soursound) that is dirt box centered around the API 2520 discrete op amp. Lastly, we have Kurt’s Jugendstil silicon fuzz that is aptly described on their site: “If there were a Venn Diagram showing the overlap between ‘90s British shoegaze and ‘90s Swedish death metal, Jugendstil would feel right at home in the middle.” And everything was powered by a Truetone 1 Spot PRO CS7.
An unheralded but appreciated tool used by Ballou is this Radial Engineering SGI TX that is line driver system that takes an unbalanced instrument signal and allows you to drive it as far as 300' feet without noise.
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Silos features six presets, tap tempo, one full second of delay time, and three voices—two of which are styled after bucket-brigade and tape-delay sounds. In the $150 price category, it’s not unusual for a digital delay to leave some number of those functions out. And spending the same money on a true-analog alternative usually means warm, enveloping sounds but limited functionality and delay time. Silos, improbably perhaps, offers a very elegant solution to this can’t-have-it-all dilemma in a U.S.-made effect.
A More Complete Cobbling Together
Silos’ utility is bolstered by a very unintimidating control set, which is streamlined and approachable. Three of those controls are dedicated to the same mix, time, and repeats controls you see on any delay. But saving a preset to one of the six spots on the rotary preset dial is as easy as holding the green/red illuminated button just below the mix and preset knobs. And you certainly won’t get lost in the weeds if you move to the 3-position toggle, which switches between a clear “digital” voice, darker “analog” voice, and a “tape” voice which is darker still.
“The three voices offer discernibly different response to gain devices.”
One might suspect that a tone control for the repeats offers similar functionality as the voice toggle switch. But while it’s true that the most obvious audible differences between digital, BBD, and tape delays are apparent in the relative fidelity and darkness of their echoes, the Silos’ three voices behave differently in ways that are more complex than lighter or duskier tonality. For instance, the digital voice will never exhibit runaway oscillation, even at maximum mix and repeat settings. Instead, repeats fade out after about six seconds (at the fastest time settings) or create sleepy layers of slow-decaying repeats that enhance detail in complex, sprawling, loop-like melodic phrases. The analog voice and tape voice, on the other hand, will happily feed back to psychotic extremes. Both also offer satisfying sensitivity to real-time, on-the-fly adjustments. For example, I was tickled with how I could generate Apocalypse Now helicopter-chop effects and fade them in and out of prominence as if they were approaching or receding in proximity—an effect made easier still if you assign an expression pedal to the mix control. This kind of interactivity is what makes analog machines like the Echoplex, Space Echo, and Memory Man transcend mere delay status, and the sensitivity and just-right resistance make the process of manipulating repeats endlessly engaging.
Doesn't Flinch at Filth
EarthQuaker makes a point of highlighting the Silos’ affinity for dirty and distorted sounds. I did not notice that it behaved light-years better than other delays in this regard. But the three voices most definitely offer discernibly different responses to gain devices. The super-clear first repeat in the digital mode lends clarity and melodic focus, even to hectic, unpredictable, fractured fuzzes. The analog voice, which EQD says is inspired by the tone makeup of a 1980s-vintage, Japan-made KMD bucket brigade echo, handles fuzz forgivingly inasmuch as its repeats fade warmly and evenly, but the strong midrange also keeps many overtones present as the echoes fade. The tape voice, which uses aMaestro Echoplex as its sonic inspiration, is distinctly dirtier and creates more nebulous undercurrents in the repeats. If you want to retain clarity in more melodic settings, it will create a warm glow around repeats at conservative levels. Push it, and it will summon thick, sometimes droning haze that makes a great backdrop for slower, simpler, and hooky psychedelic riffs.
In clean applications, this decay and tone profile lend the tape setting a spooky, foggy aura that suggests the cold vastness of outer space. The analog voice often displays an authentic BBD clickiness in clean repeats that’s sweet for underscoring rhythmic patterns, while the digital voice’s pronounced regularity adds a clockwork quality that supports more up-tempo, driving, electronic rhythms.
The Verdict
Silos’ combination of features seems like a very obvious and appealing one. But bringing it all together at just less than 150 bucks represents a smart, adept threading of the cost/feature needle.
EarthQuaker Devices Silos Multi-generational Time Reflection Delay Pedal
In this episode, we’re celebrating the thrill of guitarmony, sick riffs, and driving 8th-note rhythms by talking about Judas Priest. Before getting ready for this episode, neither of your esteemed hosts had ever delved into the Priest discography beyond the rock-radio hits and Beavis and Butthead—though we’d both spent our time with Heavy Metal Parking Lot. Since so many of the GOATs hold the band in the highest of regard, we knew that K.K. Downing and Glenn Tipton belonged on this list, so we embarked on a journey to find out why.
After hours of listening and watching, we’re happy to report that we get it. From their debut, 1974’s Rocka Rolla, through 1980’s British Steel, deep into the ’80s-production era with 1986’s Turbo, and through the speed-metal bravado of 1990’s Painkiller, plus live videos and records—the super-loud US Festival performance and the crushing Unleashed in the East record—we found a lot that we love.
