PreSonus TUBEPRE V2 Mono Tube PreampThe TubePre V2 from PreSonus is a fully professional tube preamp with a dual servo (no capacitors) gain stage that allows for boosting the program signal to high levels without significantly increasing the background noise. Discrete components and high voltage operation provide wide dynamic range without sacrificing detail. The preamp also serves as a direct box (DI) for guitars and basses and it's small enough to carry almost anywhere. Housed in a