Fulltone GT-500 Distortion Booster Overdrive Pedal:Guitars, Pedals Amps Effects

The Fulltone GT500 Pedal offers discrete circuitry (no Op-amps) F.E.T Hi-Gain Distortion and discrete F.E.T Overdrive / Booster IN ONE BOX. You could think of the GT500 channels as 2 separate pedals in one box...or think of them as stages to be linked together for endless combinations. The GT-500 Hi-Gain side has Volume, Distortion knobs, Bass, Mid, and Highs minipots. The GT-500 Booster Side has Volume, Overdrive knobs, Bass and Highs minipots.(these new hi-Q sealed minipots don't break BTW)

Hard clipped distortion (the way most pedals achieve distortion) at one point in a circuit can be cool, but stage after stage of FET (GT-500) is very real, very amplike, has ridiculous amounts of sustain even at low volume, does the great chunky low string rhythm stuff and cleans up incredibly well when you turn down the guitar's volume.

The GT-500 has a discrete Inductor-Driven Midrange circuit....never been done in a pedal before. Yes there's wah wah inductor inside the pedal that gives the Midrange control its ability to drastically increase or decrease the entire Low Mid, Mid, and Hi-Mid frequencies, to comical proportions. All this is done without any opamps because all of the active 3 Band EQ's I've tried are horrible, killing all harmonics, all excitement, and sounding as sterile as the "EQ" in a Digital Recording Program. 100% discrete matched FET's ;)

This Mid control mixed with a strong Bass and Treble control help give the GT500 the ability to dial in more variations than a simple tone control, which can only roll off the Highs.

Series/Parallel switch allows for a nice range of tones: In "Series Mode" the signal path is FET Distortion w/ 3 band EQ--->FET Boost with 2 Band EQ. In "Parallel Mode" the signals travel side-by-side allowing infinite Blends of Distortion and Clean, or Distortion and Overdrive/Boost.... and when the two EQ sections enter into the equation, there are more chances to create a uniquely voiced tone. Most who have tried to offer this Parallel feature on a pedal don't realize that you can throw the signal out-of-phase.....not an issue here.

Devised and built in Southern California, Fulltones GT-500 ($225 retail/street price N/A) is a dual mode grind machine with independent Booster and Distortion modes. Like all Fulltone pedals, the GT-500 sports absolutely impeccable construction and top-shelf components. Housed in a folded-metal enclosure that is the same size as the company's classic Fulldrive 2 (a very pedalboard-friendly 5 3/4" x 4"), the GT-500 does its dirty work via F.E.T. circuitry, which, according to Fulltone's Michael Fuller, aids in giving the pedal a more musical tube-amp feel and response. But in the end, it wouldn't matter if the GT-500's circuit consisted of 20 lb-test fishing wire and a couple of resistors, because this pedal smokes.

The GT-500 Booster section sports Volume, Drive, Treble, and Bass controls, and the Distortion side offers Volume and Distortion controls, as well as Treble, Mids, and Bass.

The real crux of the Fulltone GT-500's biscuit, however, is its Series Switch, which allows you to place the Booster before the Distortion in the pedals circuit, or vice-versa, two very different tonal propositions. This, in conjunction with each side's ultra-musical, and ultra-tweakable EQ makes this pedal a very special thing indeed.

Using a Fender Telecaster and a couple of Gibson SGs, I ran the GT-500 through a Fender Deluxe Reverb, a 50-watt plexi Marshall, and a Victoria Regal. The GT's Booster side jolts the front-end of an amp with a serious dose of volume that pushed my clean-toned Deluxe Reverb into a full-on chunk-machine, and this is with the Drive control nearly turned off! Dialing in higher Drive settings, and backing down the Volume, I could approximate the sweet singing chirp of my Deluxe on 8, but at much quieter bedroom volumes. How sweet. How transparent. All of the sonic goodies that I love about a simple guitar-into-a-cranked-amp setup are here, including the dynamic interactions of how hard you hit the strings, and how you manipulate your guitar's volume control. Plus, the GT imparts none of the harsh crashiness in the treble frequencies that can hamper many distortion boxes. even boutique ones, when the pedal is the sole source of grind.

The GT-500 Distortion side is equally impressive, yielding some of the most musical, natural sounding distortion I've ever heard from a buzz box. The output in this mode is just as massive and punishing as on the Booster side, while the Mid control, which actually sports a wah inductor in its circuit, allows you to really fine tune your rig's all important midrange frequencies, from sucked-mid metal textures to a piercing, pointed honk. The Bass and High controls can yield some pretty drastic results, as well, but if you dig the sound of your guitar and amp, these controls are better utilized as tasty complementary seasoning.

But the rubber meets the road with GT-500's Series Switch. With the Distortion side dialed in for fat, squawky lead lines, and a thumping-yet-taught low string roar, I set the Booster to minimal Drive (nearly off), and cranked the Volume. With the Booster before the Distortion, the GT-500 amplified my aforementioned distorted tone with substantially more hair and volume. But the timbre remained basically the same. With the Series Switch in the opposite position, the Distortion-into-Booster configuration hit my amp with the tonal equivalent of 10,000 volts. The volume increase was astronomical, and the infusion of greasy midrange juice and sheer sonic force produced a whole different tone altogether. The amount of tones and textures you can pull out of the GT-500 boggles the mind, and if you can't find your grind in the GT-500, maybe it doesn't exist. And that's why this bad boy receives an Editors' Pick Award. Bravo!

Fulltone GT-500 Distortion Booster Overdrive Pedal

Fulltone GT-500 Dual Stage Distortion Booster Pedal

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