The D06 is a Bass Guitar Amplifier built on top of the solid state TDA2030 IC. The project starts from a salvaged JBL subwoofer . The enc...

A friend give to me it's 5.1 speaker system subwoofer . The brand it's Kevler . It has an integrated amplifier for a 5.1 speaker. T...

D05 is a vintage hybrid guitar amplifier . The preamplifier stage is driven by a vacuum tube , the power stage by the a class AB solid sta...

My system is a veterinary, she has a 70's electronic surgical cut , suitable for electrosurgery . It's a LAEL with the front label e...

This time I've find a vintage Pioneer XL-L77 hi-fi in the dumpster. Amplifier display is not working, and also the amplifier has a big ...