Sponsor of the Day:
Jerkmate
https://www.sparkfun.com/op-amp-lm258p-through-hole.html
Op-Amp - LM258P (Through-Hole) - SparkFun Electronics
SparkFun Electronics is an online retail store that sells the bits and pieces to make your electronics projects possible.
op ampsparkfun electronicshole
https://www.ehx.com/products/big-muff-pi-2-with-tone-wicker/
Big Muff Pi 2 with Tone Wicker | Dual Op-Amp Fuzz - Electro-Harmonix
Long-lost Circuit with Expanded Tonal Options
big muff pidual opelectro harmonix2tone
https://www.guitarworld.com/gear/effects-pedals/electro-harmonix-big-muff-pi-2-dual-op-amp-fuzz-review
Electro-Harmonix Big Muff Pi 2 Dual Op-Amp Fuzz review | Guitar World
Mar 23, 2026 - A schematic, lost in the shuffle, resurfaces with the help of JHS Pedals supremo Josh Scott, and presents us with a fresh slice of Pi
big muff pireview guitar worldelectro harmonix2 dualop amp
https://ecircuitcenter.com/LTSPICE/op_amp_series_1.html
Solve 10 Op Amp Design Issues | Using Custom SPICE Models
10 opdesign issuesusing customsolveamp
https://hackaday.com/tag/op-amp/
Op-amp | Hackaday
op amphackaday