This high-resolution audio amplifier delivers exceptional sound quality with a simple yet efficient circuit design.

[Ynze] has built an audio ... the amplifier itself. [Ynze] is using a large toroid transformer to drop his local 230V mains down to +25V and -25V. The amplifier circuit itself is simple ...

Using a LM358 as a non-inverting summing amplifier, he was able to apply a steady DC offset and generate usable signals for his micro controller projects. A schematic for his offset circuit is ...