The Fuzz circuits from the ’60s and ’70s are widely known for their iconic status. I wanted to recreate that same sound with the Big Ancho Fuzz. This circuit takes inspiration from the introduction of silicon Fuzz circuits in the ’70s. The Big Ancho Fuzz is powered by two classic op-amps, specifically the JRC4558D IC chip, which is also used in the Jalapeño Screamer and the Texas Scorpion, as well as the Texas Instruments UA741CP. To create the fuzzy magic, six 1N4148 silicon diodes are configured in symmetrical clipping.
When I select a circuit to construct, I ensure that it works well in combination with other pedals. For instance, you can pair the Big Ancho Fuzz with a Texas Scorpion to enhance the intensity of your riffs, or use a Jalapeño Screamer to boost the midrange and blend their tones to create dynamic solos.
It’s designed, hand-assembled, and hand-wired in a small Dallas apartment.
Check out this video by the Pedal Couple featuring the Big Ancho Fuzz. The circuit is inspired by the introduction of silicon fuzz circuits in the 1970s, utilizing classic op-amps and silicon diodes for an authentic sound.
![Big Ancho Fuzz pedal: raw aluminium enclosure with three red knobs marked loud, ripe and rage, a two-position toggle switch labelled [pure] / [ripe], a red LED and a footswitch, with the Spicy Pedals logo bottom right.](https://spicypedals.com/wp-content/uploads/2026/08/big-ancho-fuzz-destacada-normalised-1024x1024.webp)
![Big Ancho Fuzz photographed close up at an angle on a bed of autumn leaves, its three red knobs and the [pure] / [ripe] toggle in the foreground.](https://spicypedals.com/wp-content/uploads/2026/08/big-ancho-fuzz-galeria-1-normalised-1024x1024.webp)






