Music aficionados searching for a new project to keep them busy one weekend may be interested in a new preamplifier DIY kit created by Juergen Grau based in Rohrbach, Germany. Check out the video ...

For this year’s Hackaday Prize, [skrodahl] is building a beautiful tube preamp. It’s a masterpiece of glass and free electrons, it already works, and it sounds great. This circuit is a modified ...

The three circuits were based on the vacuum tube ECC83 designed to produce phono preamplifiers in compliance with the RIAA standards. Recording Industry Association of America (RIAA) – the trade group ...