Pigtronix FAT Drive Overdrive / Distortion Pedal

100%-analog Overdrive Pedal with Variable Lowpass Filter and Dual Gain Structure Modes
Pigtronix FAT Drive Overdrive / Distortion Pedal image 1
Pigtronix FAT Drive Overdrive / Distortion Pedal image 1
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Pigtronix FAT Drive Overdrive / Distortion Pedal
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Add Epic Overdrive to Your Rig!

When it comes to tone, the Pigtronix FAT Drive leaves typical overdrive pedals in the dust! That's because the FAT Drive isn't like ordinary overdrive pedals. It uses a series of cascading gain stages to create a smooth, natural-sounding overdrive that covers tones ranging from dynamic breakup to rich, dripping saturation. And the best part is that the FAT Drive won't alter your playing dynamics or lose the vital character of your axe. If you love the sound of your guitar, and you're looking for amazing overdrive tone, then order your Pigtronix FAT Drive from Sweetwater today!

Pigtronix FAT Drive Overdrive Pedal at a Glance:
  • Totally unique analog signal path
  • Tone-shaping lowpass filter
  • Change voicings with the flip of a switch
Totally unique analog signal path

Typical overdrive pedals (even high-end models) use a single gain stage to achieve their effect. But that's just not how real tube amplifiers work, which is why Pigtronix built their FAT Drive with a series of cascading gain stages. The result is a totally dynamic overdrive that responds to your playing style - just like a real amp! If you're used to conventional overdrive effects, prepare to be blown away when you plug into a Pigtronix FAT Drive.

Tone-shaping lowpass filter

With the tone control set all the way clockwise, the FAT Drive gives you that totally open, full-range tone of a guitar plugged right into a cranked tube amplifier. Start dialing in the tone, and Pigtronix's lowpass filter starts rolling off the highs. That lets you use the FAT Drive to carve your midrange and and open up a whole new world of bottom-end punch.

Change voicings with the flip of a switch

Here's something you can't do with an every-day overdrive pedal - flip a switch a totally re-voice it. In fact, it's because Pigtronix built the FAT Drive with multiple cascading gain stages that this is even possible. The way it works is by changing the overall gain structure. In "Lo" mode, the FAT Drive gives you a more wide dynamic range, breaking up a bit more the harder you hit it. In "Hi" mode, you get the pure madness of a high-gain amp cranked to 11. Talk about versatile! That's just one more reason your pedalboard isn't complete without a FAT Drive on it.

Pigtronix FAT Drive Overdrive Pedal Features:
  • 100% analog overdrive pedal which gives you an insanely wide range of tube style tone
  • Multiple cascading gain stages create a true tube-amp-style clipping effect
  • Hi/Lo gain switch lets you select between two distinct gain structures, completely re-voicing the overdrive effect
  • Passive lowpass tone control lets you roll off highs to free up bandwidth for heavy-hitting lows
  • True-bypass switching preserves your tone when disengaged
  • 18VDC 300mA supply included for maximum headroom, but the pedal will work with standard 9VDC power supplies
  • Circuit Design by Howard Davis
  • Sound Design by David Koltai
  • Proudly made in the USA
Go beyond the limits of typical overdrive pedals, with the amazing Pigtronix FAT Drive!

Additional Media

FAT Drive Overdrive/Distortion Pedal User Manual

Tech Specs

Pedal Type Overdrive
Inputs 1 x Instrument
Outputs 1 x 1/4"
Batteries 1 x 9V
Height 1"
Width 4.4"
Depth 2.4"
Power Supply Included Yes (18VDC 300mA)
Manufacturer Part Number FAT

Customer Reviews

Based on 10 reviews
Write your review

Great Pedal

Great Pedal, gives a nice tube saturation tone to many different amps. I have tired the pedal with a Marshall DSL 15, Fender Deluxe Reverb, Fender Bassman, Matchless lightning clone, Peavey Valveking, even a Hammond reverb driver amp converted into a guitar amp. Pedal Really makes Fender Style guitar sound very thick. Needs to be adjusted a little to sound good with a thicker Gibson Humbucker which also sounds great. Fat Drive works well alone, but adds a lot when stacked with other drive pedals. You can get and amp and guitar sounding pretty good together, turn on the Fat Drive it just sounds better!!

Best I've used

Best OD I've used so far. Was recommended by Seeetwater staff ( TJ) and I'm truly grateful.

Fuzzy in a good way!

Thought is was going to just be another average OD pedal. But its different than the hundreds of others out there. Love the way the tone knob works as a low pass filter. And the way it enhances the natural fuzzy characteristics of my tubes just blows me away! Great job Pigtronix!!
Music background: Active musician 30+ years

Many tones in this little box

This is just a great overdrive pedal. It is very transparent and cleans up really well as you roll off the volume or pick softer, very dynamic pedal. With the gain set low you can use it for a clean boost and as you turn up the gain you get some really nice bluesy tones and some really nice crunch the higher you set it. Flip the more switch up and you start moving more into the realm of distortion but the notes still ring through clearly instead of just becoming mush like some pedals. The tone knob really affects the character of the pedal's sound giving you a lot of very useful flavors to work with and it doesn't become useless at either extreme of the knob like some overdrives, I've had some that worked great in the middle of the knob's range but sucked when turned too far either direction. This is a very useful pedal that would be a great addition to any guitarist's rig, there's truly a sound for every player to be had from this pedal.

This masterpiece can beat many others!

This pedal is more of the mainstream which is not typical Pigtronix, but it is outstanding. Controls are extremely responsive and predictable, the sound is really big and airy with plenty of headroom. As Pigtronix mentions, it really shines with singles. I actually rewired my stacked humbuckers to have coil split and it really works, showing the bright and vintage rock-n-roll sound... But with high-end modern touch :) And the pedal is not expensive at all, although the work Pigtronix is all about top quality inside and outside. Whether you want to buy your first pedal or thinking about something new, this effect is going to become classic!

Sweetwater Advice

Chris Leonard

I've tried many overdrive and distortion pedals, but there's something about the Pigtronix FAT Drive that makes it unique. You can add rich overdrive to your sound without losing your dynamics and the character of your guitar. It's a staple in my rig, and it should be in yours too.
See also: Distortion Pedals, Pigtronix, Pigtronix Distortion, Overdrive, Boost & Fuzz