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Korg KFL-401 Flanger

Korg KFL-401 Flanger

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This product is Vintage or Discontinued

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Nils Lofgren

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Page last updated Jul 14, 2026

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Description

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The KFL-401 Flanger by Korg

The Korg KFL-401 Flanger is a vintage analog modulation effects pedal that delivers rich flanging textures, from subtle chorus-like movement to dramatic jet-plane sweeps. Part of Korg's early compact pedal lineup, it features simple, intuitive controls that allow players to easily shape the depth and speed of the effect. Its warm analog circuitry produces a classic, organic modulation sound that complements both clean and overdriven guitar tones. Built with a durable metal enclosure, the KFL-401 remains a desirable choice for collectors and musicians seeking authentic vintage flanger tones.

Specs:

• Analog flanger effects pedal
• Controls for Speed, Depth, and Manual (varies slightly by production version)
• Classic bucket-brigade (BBD) analog circuitry
• Mono 1/4" input and output
• Buffered bypass switching
• LED status indicator
• Durable metal chassis
• Designed for guitar and keyboard applications
• Made in Japan
• Vintage discontinued model

Product specs

Analog/Digital	analog
Power	9V
Bypass	buffered bypass
Mono/Stereo	mono

Videos

More Notes Less Talk

More Notes Less Talk

Guyatone Zip 100 (GA-100): one of my best kept secrets - Full amp demo with vintage MIJ Korg pedals!

Video thumbnail for Guyatone Zip 100 (GA-100): one of my best kept secrets - Full amp demo with vintage MIJ Korg pedals! by More Notes Less Talk

Guyatone Zip 100 (GA-100): one of my best kept secrets - Full amp demo with vintage MIJ Korg pedals!

More Notes Less Talk

More Notes Less Talk

Video thumbnail for The rarest 80s MIJ pedals? Korg PME-40x: a prized vintage modular multi-effects for guitars & more! by More Notes Less Talk

The rarest 80s MIJ pedals? Korg PME-40x: a prized vintage modular multi-effects for guitars & more!

More Notes Less Talk

More Notes Less Talk

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Artist usage

See how Nils Lofgren uses Korg KFL-401 Flanger

Nils Lofgren

Guitarist, Singer

Crazy Horse

Verified via reverb.com

This Korg KFL-401 is for sale straight from the personal collection of guitarist Nils Lofgren

Genre Usage

Based on how artists on Equipboard use this gear, it is most commonly found in the following genres.

Psychedelic Rock

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See also: Flanger Effects Pedals, Korg, Korg Flanger Effects Pedals

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