All items tagged with riaa and Amplifier (3)

| The schematic of our preamplifier is very simple because it uses a very low-noise dual operational amplifier. Here the NE5532 is used, whose...

| Since modern sound systems usually lack inputs for record players, separate MD preamplifiers are becoming increasingly popular. They are nee...

| Although this supply was primarily designed for use with the Valved RIAA Preamplifier, we found that the inverter stage is useful in many ot...