TC Electronic

TC Electronic THUNDERSTORMFLANGER Vintage Flanger Pedal

4.4 (140 reviews)

TC Electronic Thunderstorm Flanger delivers lush, vintage bucket-brigade modulation in a rugged true bypass pedal.

$46.05*
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*Price sourced from Amazon.com. Last updated:Jun 04, 2026.Price and availability are subject to change.

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Overview

The TC Electronic Thunderstorm Flanger is an analog flanger pedal built around a classic bucket-brigade device circuit, the same technology that defined the flanger sound in its original era. Unlike digital recreations, the BBD circuit produces modulation by physically passing the audio signal through a chain of capacitors, resulting in the warm, slightly unpredictable character that players associate with vintage flanging. The pedal delivers lush, three-dimensional modulation tones ranging from subtle movement to deep, jet-like sweeps.

Practical design choices reinforce the pedal's stage-readiness. True bypass switching ensures that when the flanger is disengaged, your guitar or bass signal passes to the next pedal or amplifier without any tonal coloring or signal degradation. The full-metal chassis is designed to handle the demands of touring and heavy pedalboard use. For guitarists and bassists seeking an affordable entry point into authentic analog flanger territory, the Thunderstorm delivers the essential vintage sound in a straightforward, no-frills package.

Key Features

Vintage-style flanger pedal

Legendary, all-analog bucket-brigade (BBD) circuit

Lush three-dimensional modulation tones

True Bypass for ultimate signal integrity

“Built-like-a-tank” metal chassis

Specifications

Brand
TC Electronic
Model
THUNDERSTORMFLANGER
Type
Flanger Pedal
Circuitry
All-Analog Bucket-Brigade (BBD)
Bypass
True Bypass
Construction
Metal Chassis

Pros & Cons

👍 Pros

  • Analog bucket-brigade circuit produces warm, authentic vintage flanger tones that digital emulations struggle to match
  • True bypass preserves your clean signal integrity when the pedal is off
  • Metal chassis construction is built to survive gigging and pedalboard use
  • Works with guitar, bass, and other instruments for broad versatility

👎 Cons

  • Analog BBD circuit can introduce subtle noise at extreme settings compared to digital flangers
  • Limited to a single flanger voice without preset saving or additional modulation modes
  • No stereo output, restricting use in stereo rig configurations
  • Requires external power supply or pedalboard power, as no battery compartment is mentioned

Frequently Asked Questions

It uses an all-analog bucket-brigade device (BBD) circuit, which is the same technology found in classic vintage flanger pedals from the 1970s and 1980s.
No, the Thunderstorm Flanger features true bypass switching, meaning your signal passes through unaffected when the pedal is disengaged.
Yes, TC Electronic designed this pedal for use with guitar, bass, and other instruments, so it handles a range of input signals.
It is housed in a full-metal chassis that TC Electronic describes as "built like a tank," designed to withstand the rigors of live performance and frequent transport.