I had recently bought a vintage bass which I love, but it was lacking output compared to my other basses. I didn't want to change the '70s pickups since they sound great, just needed some more oomph. This is not only a beautiful and well-made pedal, it sounds fantastic and boosts the signal with warmth and clarity. My bass now has a similar output to an active bass, but retains its wonderful character. I couldn't be happier!