Sennheiser HD25-1 Balanced

Seeing how the HD650 was transformed by the Balanced Beta22, just for kicks I plugged the HD25-1 to the Beta22 using the same balanced…

HeadAmp Pico

The Pico is a portable USB DAC/Amp that was released by HeadAmp at the end of 2008. It has a very small footprint making…

Graham Slee Voyager

If an amplifier is supposed to amplify the signal feed to it while preserving its sound as pure as possible, Mr. Graham Slee for…

RSA SR-71a

Ray Samuels managed to create one hell of a portable amp in the RSA SR-71a. Plugged in to the extremely revealing, legendary Apuresound recabled…

Headphone Replicas

Replicas have invaded virtually all industries, from designer handbags to luxury watches, and now, to headphones as well.