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Keeley Dark Side Fuzz Modulation Guitar Pedal

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It hold's all the allure and depth of the Dark Side...

We should all be so lucky as to be identified by the sound of a single note.  Some players are so well defined that their entire musical journey can be heard in a single note they play.  Tone is in the fingers.  Tone is in the mind.  Effects can be a great way of expressing emotions or creating textures.  The Dark Side is about creating sounds and adding new tones to your symphony.  It’s the things you can’t create with your fingers or mind.  It’s metasymphonic.  The Dark Side provides all the textures that define an essence, in one pedal.


The individual pieces that make up the Dark Side workstation are Fuzz, Delay and Modulation.  The Fuzz side of the Dark Side is a big fuzz style distortion based on a 1977 op-amp style.  We used something similar in our Psi Fuzz.  This one is completely and radically different.  We made what seemed like endless changes to extract the nuances of earlier transistor based fuzzes.   We gained it way to down to fit the time period and the style.  This is a more transparent Big Fuzz.  This one lets your guitar sing with sustain, yet retains the essence of you guitar whether single coil or humbucker based.

The next core element in the Dark Side pedal is the Delay and Modulation side.  You can select between a multi-head tape delay effect or between a combination of 4 different modulation sounds.  The Dark Side delay has 12 different syncopated delays.  They are rhythmic and have the tonal quality of the old spinning drum tape delays.  The Dark Side has many subtle filters to get the tape delay setting to have the feel and warmth of the original machines, yet gives you range of control to have modern features like expression pedal control for the number of repeats.  You can use it for creating a feedback oscillation delay.  Extremely subtle modulations in the delay make it very musical.

The next atom in this workstation is the modulation effect.  There are four parts to this effect.  Flanger, Rotary Speaker Cabinet, U-Vibe, and Phaser.  You can blend between the “Electric Lady” Flanger and a Les-Rotary cabinet, creating new sounds.  You can find that perfect blend between a vintage sounding opto-coupler based U-Vibe and the little orange phaser.

There is also an Expression Pedal port on the pedal.  It is highly recommended to have an expression pedal handy.  You can make many adjustments on the fly that just increase the fun and functionality of the pedal while you’re creating music.  It has to be a TRS style expression pedal.  We suggest something like the M-Audio or Moog expression pedals.


You spoke and we listened!  Make America TRS-Free Again.  Okay, we heard you, you can’t switch order on the fly during a gig.  You never used the TRS cable to insert effects.  You just tossed the cable aside.  You all said YES when we said effect-order switch.  New units have a simple push button switch to change the order!  Sweetwater has the first stock available of the new units.  Mike Hermans did a new video with the effect-order switcher.

Product Videos

Keeley Dark Side (08:36)
rkfx.com https://robertkeeley.com/product/dark-side/ The Keeley Darkside is a powerhouse of tone, packed in our popular workstation style enclosure. On the right, it features a thick, creamy fuzz, based on a highly modified 1977 op-amp circuit. On the left, the Dark Side serves up a detailed recreation of that famous, spinning drum tape delay, complete with all 12 tape head modes. If Modulation is what you’re after, the Dark Side delivers with Flange, Phase, Rotary Speaker or Univibe with a unique blend control to produce modulation effects never heard before. To allow for perfect pedal board placement, The Dark Side comes with a TRS insert cable for placing effects between it’s 2 independent sides. The Expression pedal input allows for real time foot pedal control of the rate of modulation effects, or the feedback of the delay all the way in to self- oscillation Also used in this video: Fender Custom Shop George Fullerton 50th Anniversary 1957 Stratocaster Keeley Compressor GC-2 Limiting Amplifier Keeley Hooke Reverb Two Rock Studio 50/15 amplifier Shure Beta 57 Fat Head ribbon mic Focusrite Saffire Pro 40 audio interface
  • Keeley Dark Side
    rkfx.com https://robertkeeley.com/product/dark-side/ The Keel...

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