application 
High-quality, two-channel, guitar preamp. Uses a duet of premium, mil-spec, subminiature, USA-made Phillips-Sylvania® 6021 dual triode tubes. Great for country, blues, surf, classic rock.

description 
The high-plate voltage and 100% vacuum tube signal path allows the tubes to operate at their fullest potential and provide maximum dynamic range. The means you get the most gain and all the smooth tone you expect from a high-quality tube preamp. Two channels provide versatility. True bypass. Heavy duty steel chassis.