According to [M Caldeira], the Blaupunkt Sultan 24300 was one of the last tube radios made in the 1960s. He’s got one but it needed some tender loving care, and you can see how he approaches a ...

iBasso’s Nunchaku is a portable DAC/amp with dual Cirrus Logic CS43198 DAC chips and, uniquely, two selectable amps: solid state or tube. The latter of which is the more interesting. That’s ...