LINE 6 DT50 Totally tubular amplification FOR: Tube tones. Whether you’re a fan of modeling technology or not, you have to tip your hat to the folks at Line 6 for adding tube amplifiers to their array of sounds. Line 6 has been working with tube amp guru Reinhold Bogner for some time, and the resulting DT50 series amps are definitely going to turn heads. Powered by a pair of EL34 tubes, either of the DT50’s two channels can be configured on the...