What is an opamp. What does it do. Is it a good thing or bad thing. Is it short for something and if so, what?
Also, while I am on the subject. What does a transformer in a preamp do and why would a transformerless design be better or worse. Also, are there different types of transformers and if so, what are they. Also, at what stage of the preamp would you find a transformer and what is it that they transform - voltage, wattage, what...
Also, while I am on the subject. What does a transformer in a preamp do and why would a transformerless design be better or worse. Also, are there different types of transformers and if so, what are they. Also, at what stage of the preamp would you find a transformer and what is it that they transform - voltage, wattage, what...