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TC Electronic Thunderstorm Flanger Pedal

Name: TC Electronic Thunderstorm Flanger Pedal
Brand: TC Electronic
Rating: 5 (43 reviews)

Bucket Brigade-style Flanger Guitar Effects Pedal

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Item ID: Thunderstorm

TC Electronic Thunderstorm Flanger Pedal

Backordered - More On The Way!

This item requires extra delivery time from TC Electronic. Order today to reserve yours now, risk-free, or contact us for more information. Estimated July 2026.

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Thunderstorm Flanger Pedal with EBS Patch Cables

Original price, crossed out: $52 and 90 cents, now $47 and 90 cents

Modulation Pedals Pack

Original price, crossed out: $166 and 68 cents, now $146 and 69 cents

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This article was Written By

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Lush, Three-dimensional Analog Flanger

If you long for classic flanger tones, the TC Electronic Thunderstorm churns out a take-no-prisoners flanger frenzy that's guaranteed to curb your craving. This guitar stompbox boasts a vintage-style bucket brigade circuit for authentic analog tape-like sweeps and lush-sounding chorus effects. This outstanding analog effects pedal features an easy-to-dial-in 4-knob interface with Rate, Depth, Manual, and Feedback controls. The guitarists here at Sweetwater appreciate the Thunderstorm's roadworthy metal housing, and its true bypass design maintains your tone when the effect isn't in use. If you're chasing rich, 3D-inspired modulation tones, the Thunderstorm flanger delivers the goods.

TC Electronic Thunderstorm Flanger Pedal Features:

Vintage-style bucket brigade circuit produces authentic analog flanger effects
Rate knob adjusts the speed of the effect
Depth knob tweaks the intensity of the effect
Manual knob dials in your higher frequencies
Feedback knob fine-tunes the amount of resonance
True bypass design maintains your tone when the effect isn't in use
Roadworthy metal housing

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Tech Specs

Pedal Type: Flanger
Analog/Digital: Analog
Inputs: 1 x 1/4"
Outputs: 1 x 1/4"
True Bypass: Yes
Power Source: 9V DC power supply (sold separately)
Power Usage: Up to 15mA
Batteries: 1 x 9V
Height: 2.3"
Width: 2.9"
Depth: 5.2"
Weight: 1.1 lbs.
Manufacturer Part Number: 0709-AFM86-001

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Reviews

4.9

Customer Photos & Videos

Highly adjustable and easy to get a good flange sound

After years of assuming flangers were not for me/mainly for airplane noises or other shenanigans, I came across a video demoing how to cover basically all the usually modulation types using a Boss BF-2. My interest was piqued for sure, though I wasn't interested in paying market rate for the classic discontinued Boss.

Enter the Thunderstorm. This really does seem to be a pretty spot on clone. In a few shootouts that I listened to I thought maybe the BF2 had a slightly deeper/bassy tone, but after playing with this in person the manual knob can totally be tweaked to get what you're looking for.

I already had the TC 3rd Dimension so I knew about what to expect with build quality, but I was still very impressed by how substantial and rock solid the knobs and enclosure are. it feels and sounds much more expensive for sure. I don't care for these soft touch switches but they get the job done fine I suppose. The overall enclosure size is good, not huge and not a mini, and the huge knobs are kind of fun and super easy to read.

None of this really answers whether you need a flanger or not. You probably don't. There are a ton of weird sounds in here that I would never really use. But if you want one anyway, or do need one of the very many sounds it can do, you seriously can't go wrong with one of these at the price point. Even if I pull it off my board later it will be worth keeping around for a rainy day where I want to knock out a 90's cover of whatever.

I needed a flanger and I didn't have a lot of money so I took a chance on this. Built solid. Sounds great!

I had a Boss Flanger in the 90s, this one is every bit as versatile. The tones you can dial on this pedal have a lot of range. TC Thunderstorm is an all singing all dancing Flanger with dynamic range with the controls to add the jet swirl flange I've been looking for. The way we hear it in A forest by The Cure. Tried the JHS 3 series Flanger, it only made me want a Flanger. This has to be the best one made right now as of Jan 2023. Its also really sturdily built and the size looks in scale on my pedalboard with similar sized JHS and Earthquaker pedals. No regrets.

This flanger is fantastic. It's Really well constructed and a welcome addition to my board. Responsive controls let you dial in a number of different sounds. I like the switch too. It doesn't click like most switches in this style, and requires only a soft touch to activate the effect. -Very useful if you're recording a song idea at quieter volumes. My only gripe about the pedal (and this is so minor, I realize I sound like a crybaby) is it comes with the rubber feet already attached. That's not a big deal, but they're paper backed and when you remove them it leaves glue and paper residue behind. It would be cooler if they left them off but included them in the box. Overall it's a great pedal for the money. Highly recommended.