"With our builds, we try to blend ease of use with tweak-ability. From every knob sounding good at every point on the dial, to artwork that takes creative ideas and implements them in a simple and expressive way, to top-mounted jacks and dual footswitches on all standard production line pedals...we like to create versatility mixed with smart layouts." - Alex Guaraldi

Derived from the infamous earthquake of 1989, Loma Prieta is a gritty, harmonic tremolo with four wave-shape modes - sine, square, ramp up, and ramp down. Each mode can be used in conjunction with the momentary "Shift" footswitch, which engages Tap Tempo, as well as Lo-Fi, Feedback Distortion, and Double Time effects. 

The onboard Grit control allows you to add some sweet-sounding dirt to the tremolo circuit. The EXP input allows you to easily control the rate of the tremolo using a standard expression pedal, or plug a mono patch cable into the EXP input, and flip the internal DIP switch to engage external tap tempo. 

Lastly, the mini toggle switch on Loma's top side allows you to go from Harmonic Tremolo to a more standard style of trim - this is reflected by the tap tempo LED (red for harmonic, yellow for standard). 


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