Category DIY

The Black Cat OD-1 (also known as Freddie Fuzz) is an original design by Fred, based on the unique properties of the OP275, a dual operational amplifier IC manufactured by Analog Devices. The OP275 is a high-quality operational amplifier that…

The schematic of the Distortus Maximus guitar pedal – the first pedal from Krank, a true “monster” with a high level of gain. Many guitarists note it not just as an ordinary pedal, but as a device with a rich…