By 2011, the SR-009 had emerged to claim top rung on the Stax ladder. Powered by Stax’s vacuum- tube SRM-007tII amplifier, the SR-009 produced sound that was unparalleled among headphones.

“To appreciate what a quantum leap into the price/performance stratosphere this represents, consider the fact that Stax’s previous flagship model, the SR-007 Mk2, sells for $2,650 (the SR-007 Mk2 will ...

Enter the Envo Stax. When I first learned about the Stax, I felt it might be the solution to my little problem. First off, it looks great. You almost can’t tell that it is an electric bike.

Most of the Stax driver units accommodate two sets of headphones, so the listening experience need not be a solo affair. The top-of-the-line Stax system includes the SR-009 headphones paired with ...