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Skreddy Pedals Swirl Optical Phaser

Skreddy Pedals

Skreddy Pedals Swirl Optical Phaser

Optical phaser with a classic 1969 voice

Chewy, lush, watery, vibe-style phaser with superior clarity and frequency response compared to a vintage specimen or a clone

Gorgeous and addictive tone, just swampy enough

The sweep has been optimized for the fullest possible range and intensity without going "over the top."  Perfect balance between a smooth, symmetrical and a throbbing, asymmetrical waveform.  This is not a bashful effect, but your guitar's tone will still shine through loud and clear.

Extremely low noise and low distortion, maintains neutral eq and volume footprint

Big knob for easy foot control

Goes from almost standing still to super fast rotary spin

LED Indicators:

Bypass (Green) indicates when circuit is active, off when in true-bypass

Speed (Red) indicates the speed of the sweep, always active

Signature vibe sounds

Thick, vocal modulation, sweet, other-worldly, moving phase shift, and rotating speaker emulation

Whether you set the speed to slow and subtle movement or throbbing, 3-D, shifting tones or rapid spinning, you'll groove as the Skreddy Swirl™ beautifies your guitar sound with its hypnotic and oldschool authority.

You can use this for any classic vibe effect, but you'll come up with lots of new uses for it; sure to inspire!

Is this a "real" vibe or a phaser?

Definitions: a vibe is a phaser that's made with discreet transistors and optical electronics.  The input stage of a vibe is similar to a simple discreet op-amp circuit, and each phase-shifting stage is made with a darlington pair with "bootstrap" positive feedback for high impedance and available gain (again, op-amp-like) which feeds both a negative and a variable phase-shifted positive signal to the next stage.  At the end of four of these stages, the original dry signal is mixed together again at the output.

The Skreddy Swirl is made with op-amp gain stages in a very similar configuration and optical electronics, also in a very similar configuration (except I use LEDs instead of a light bulb, and I vary the degree of phase shift rather than the intensity of the phase-shifted signal in each of the four stages). 

I did not limit myself to just trying to copy a historic circuit but sought to improve on it to my tastes and my ear, with a goal of making it work optimally whether clean or through a dirt pedal.  Lower noise and higher input impedance are some of the improvements I made. It will sound similar to a classic vibe clone that has its intensity set at about 3:00 o'clock and features excellent unity-gain matching compared to the bypass signal.


DC adapter required; no battery option

POWER SUPPLY REQUIREMENTS:  (note: a power supply is NOT INCLUDED)  9 volts only  DC power supply must have a standard 5.5mm barrel x 2.1mm center coax  Polarity: negative center (industry standard) Do not use an AC power supply  9v DC power only