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Greenhouse FX Sludge Hammer Fuzz Pedal - front
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Greenhouse FX Sludge Hammer Fuzz Pedal - front Greenhouse FX Sludge Hammer Fuzz Pedal - angle

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Greenhouse Effects - Sludge Hammer Fuzz


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The Greenhouse Effects Sludge Hammer Fuzz Pedal is the ultimate distortion and fuzz accompaniment for everything from medium gain with a backbone to full-on, thumb-in-the-wall-socket fuzz - it works beautifully with both tube and solid state amps too. The amp-like knobs are easy to use and let you dial in exactly the level of grime to sludge you're looking for. The Gain knob goes from medium level, slight distortion to a full-on savage beast. The Tone knob quickly adjusts the tone to a smoother or sharper sound, easily satisfying the needs of your tonal-destroying needs. The Body knob specifically controls the low-mid frequencies and accommodates the Tone knob, so for maximum (re: most brutal) results, tweak this one accordingly.

The Greenhouse Effects Sludge Hammer Fuzz pedal is true-bypass, 100% handmade, and powered by a 9V adapter. The graphics Greenhouse Effects is known for portrays the late Echo and the Bunnymen drummer Peter de Freitas on this pedal.


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We take the time to set up every new guitar, mando, bass, uke, or banjo for every player, whether it was purchased here in Lawrence, Kansas or on our website. Large retailers are content to ship you a guitar right off of the warehouse shelf, while we take pride in the fact that your new instrument will be set up to be truly ready to play - for you.

Call us at 800-747-9980 or send us an email at info@massstreetmusic.com - we're here to help! All of us at Mass Street Music are musicians, and we're dedicated to helping you find exactly what you're looking for. You can also check out our Staff Page if you'd like to email one of us directly.

Any new or used gear $25 or over gets shipped to you for FREE via our favorite carrier, Fed Ex – ground, to all 'lower 48' U.S. states and we offer a 7 day return policy. Alaska and Hawaii, expedited shipping, international shipping are more. We also ship around the globe. Read more about our Shippping.