On the day mini-amps were invented, electric guitar players the world over rejoiced. No longer would they be house-bound when jamming out on their favourite guitar. It is a doubly wondrous day indeed ...

In this age of hand-made, boutique gear (not to mention the enforced confinement), many guitarists have taken up soldering irons and built pedals and equipment of their own to scratch a particular ...

While this op amp may actually have some utility, it is intended mainly as an educational exercise. I guarantee that if you build and experiment with this circuit, you will learn and appreciate what ...