【俗貨】A review of three cheap tube headphone amps（英語旁白）

[DaYeh]

Is it worth getting a budget headphone tube amp?


http://www.youtube.com/embed/22kx0q5j-JA


A review of three cheap tube headphone amps.

[DaYeh]

Headphone Tube Amps - Follow-up & Tear-down


http://www.youtube.com/embed/2Zt5WPdyPTw


I revisit the Budget Headphone Tube Amplifiers from an earlier video - run some tests and tear them down in an attempt to discover whether the tubes are functional or just decoration.