One fast track path is to buy a gently used copy of Jim Smiths book - Get Better Sound
btw, I have a nearly 40 year old NAD 3020A that is still a fantastic amp... running some Dynaco A-25 off a Nak deck.... lovely
btw, I have a nearly 40 year old NAD 3020A that is still a fantastic amp... running some Dynaco A-25 off a Nak deck.... lovely