Hello,
I am building a power supply and a demodulator for a turntable cartridge (strain gauge type) Both the power supply and the circuit have NE5532/OPA2604 opamps. One is a noise canceller for the power supply and the other is the signal amplfier chip. What models of these do you have that are the best you have? I am going to make a top notch unit so I want the part numbers for the cream of the crop.
I can provide schematics if you need them, to better get a sense of what the circuit(s) looks like.
