Keeley Psi Fuzz

You just heard the Psi Fuzz, from Keeley Electronics. This op-amp/germanium hybrid fuzz pedal puts a distinctively Keeley-esque spin on the old Muff-style circuit, with enhanced mid-range, tighter bass, and a deliciously creamy character that only a germanium transistor can provide. The control layout consists of Voltage, Voice, and Cream knobs, which relate to volume, tone, and gain, respectively. With this simple set of controls you can dial in sounds that range from thick, fuzz-