Lehmann Audio Black Cube Linear Headphone Amplifier

Selling my Lehmann Audio Linear headphone amplifier, serial number 05928, that was manufactured in Germany in 2013 (before the "Black Cube" logo was added to the front), and I am the original owner. I used the amplifier for a few months, but then I became obsessed with the idea of running my HiFi...

Selling my Lehmann Audio Linear headphone amplifier, serial number 05928, tha...