Feliks Audio Echo Mk II Headphone Amplifier (OPEN)

Feliks Audio Echo Mk II “In the way of purist fidelity, the Echo performs extremely well. In fact, I am fairly positive this is the best sounding tube amp I’ve ever heard for bass and midrange quality, bar none, in the price tier." "Oh my. That is very silky smooth. For usage with my ZMF Auteur, the Echo sounds and feels amazingly pristine." "The Echo has exceptional vocal clarity and headphones with a relaxed presentation will shine absurdly well with it. If you have a Focal Elear, this is a great amplifier for you.” — HEADFONICS.COM   The Echo is an output transformer-less (OTL) headphone amplifier and preamplifier featuring  6N6P and 6N1P tubes. Despite being Feliks’ entry-level amplifier, the Echo is no slouch when it comes to presenting a highly musical and well-extended sound. The Echo is slightly warm, smooth, intimate, and laid-back, flattering a wide range of headphones. These qualities, in addition to incredible build quality and brilliant engineering, amount to an ampl