Thorny crown of tubes to roll at your pleasure.The Quad PA-One+ would be an accomplished headphone amplifier and DAC combo at $800 over the list price. The fact that it comes in under $1,700 USD and that it not only stands alone as a one-stop headphone am...
Abstract: W hen I reviewed the Quad ERA-1 Planar Magnetic Headphone I knew that Quad had made the occasional tube amp over the years, but considered them to be a speaker manufacturer, what I didn't know (until I had researched for the ERA-1 review) was that they ha...
