Do you have an old radio that looks great but for which you have no practical use? If you're not afraid of a soldering iron you can add a new solid-state amplifier to give you a standard 3.5mm (1/8th ...

Sometimes it is not how good but how bad your equipment reproduces sound. In a previous hackaday post the circuitry of a vintage transistor radio was removed so that a blue tooth audio source could be ...