Epiphone Valve Junior Head - All TubePart of Epiphone's Valve series of tube guitar amps, the Valve Junior Head is a straight forward, single ended Class A tube amp. This head version of the Epiphone Valve Junior tube guitar amp includes features not found in its combo cousin. It has DC filaments for both the preamp and power sections to reduce unwanted filament hum. It also has 4, 8, and 16 ohm speaker outputs so you can drive any kind of guitar speaker, from a single 8" box to a 4x12"