Thank you for checking out our sale for this used Keeley Fuzz Head. Really fun story and a great cast. (Yes, another first from Keeley Electronics.) Keeley Dark Side Workstation Multi-effects Pedal Features: Multi-effects pedal designed around the iconic tones of Pink Floyd; Onboard Fuzz, Delay, Flanger, Rotary Speaker, U-Vibe, and Phaser effects; Fuzz and Delay/Modulation sections are independently switchable; Multi-head tape delay effect offers 12 syncopated delay patterns The Dark Side provides all the textures that define an essence, in one pedal. Keeley’s new pedal is actually the Psi Fuzz, not the Psy Ops. Audio and Video Clips soon – Shipping After Christmas is more than likely unless you were part of the first 50. That’s a Sallen-Key filter and you can only make it using a non-inverting style op-amps. I want it to have a bit of fire and life and not feel too cramped in the high end. The Keeley Electronics Monterey is the bold as love attempt by Robert Keeley and Co. to deliver an assortment of Hendrix-inspired effects in a single dual foot-switch guitar pedal. We used something similar in our Psi Fuzz. The collector sits around 4.5V and we get a gain of 10dB out of it. ... Used Keeley Sfocato Fuzz Wah Effect Pedal. Keeley describes the “individual pieces that make up the Dark Side Workstation” as Fuzz, Delay and Modulation. But we have phase inversion then. In any case, the Psi Fuzz is a powerful fuzz pedal, capable of incredibly loud output. You can make it distort differently, you can make the tone different, add some features, you might even be able to put a little lipstick on it. The Psi Fuzz is an IC/germanium hybrid fuzz. Okay, still have to invert the phase somewhere! The collector sits around 4.5V and we get a gain of 10dB out of it. End in the bass is also a lost. The individual pieces that make up the Dark Side workstation are Fuzz, Delay and Modulation. Find many great new & used options and get the best deals for Keeley Electronics PSI Fuzz Effects Pedal at the best online prices at eBay! Put your own spin on it? Shipping After Christmas is more than likely unless you were part of the first 50. I get to play with the stages! Phase is correct (with the soon to be added germanium gain stage) and I’ve changed the design so far, even if trivially. Oh wait! Keeley announces limited edition stompboxes Published on 10/07/15 Keeley Electronics presents limited editions of its Psi fuzz and Abbey Chamber Verb effect pedals. Sorry. Dealers Distributors for Guitar Effects Pedals, Keeley and MannCorp for Circuit Board Manufacturing. The Fuzz side of the Dark Side is a big fuzz style distortion based on a 1977 op-amp style. We took the op-amp version of old PI and inverted one of the stages, brought out the midrange, tightened the bass, and most importantly, added a Germanium transistor output! Get the guaranteed lowest prices on Keeley Fuzz & Boost Effects Pedals instruments at Musician's Friend. Phase is correct (with the soon to be added germanium gain stage) and I’ve changed the design so far, even if trivially. You can make it distort differently, you can make the tone different, add some features,  you might even be able to put a little lipstick on it. We used the germanium diode in a reverse polarity fashion across the base-emitter junction of the transistor to offset the temperature coefficient problem. That would be as wrong as a double negative! I noticed as I was working on the equipment that the LEDs were lighting up on the inside of the unit when the program material was high enough. Input and output are in phase on the vintage pedals and I wanted to maintain that. Put your own spin on it? It seemslike there isn’t gross overpopulation of op-amp versions of the old gal. Very cool. It is a fuzz, octave, vibe and auto wah all in one. Redbeard took the beloved concept of the Octave Fuzz and took it … I got to play around with values and changed things up a bit. They might not light up very brightly, but that doesn’t matter, they are still doing their job. public price: $129 VAT . Redbeard Effects, the brainchild of Skindred’s six-string slinger Mikey Demus, recently revealed its second pedal, the Honey Badger, a thick-skinned and aggressive fuzz with vast octave abilities. In the case of the Psi Fuzz, they took the op-amp version of the old PI and inverted one of the stages, brought out the midrange, tightened the bass, and most importantly, added a Germanium transistor output. Up the Dark Side provides all the textures that define an essence, in one control and Voltage... 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