Heavy Electronics AscendDiscrete analog design allows this exquisite boost to be balanced and true. Wonderfully transparent and clear, yet powerful. As your amp gain increases to the point of saturation, the Ascend can be used to push your tube amplifiers preamp into overdrive. Reverb tanks are fed beautifully with its strong and concise low end. Component quality is maximized with a "Metal Can" amplifying transistor as well as metal film resistors and low tolerance film