When [miceuz] was asked by a friend to help with his first electronic project he eschewed the usual blinking LED project and taught him how to build something he actually needed: a phono preamp ...

It must be stated clearly that, in the case of DIY amplifiers ... since it has a phono stage, so all power supply circuitry is shared with the preamplifier, and the cost of a the unity-gain line stage ...

Tube design is a very good choice for DIY pre-amplifiers, as it can give good results with ... I am talking about the well-known Lehmann Audio Black Cube Phono Pre-amplifier. Note that the schematics, ...