Level Four line pre-amplifier,with Audio Note™ 1 watt tantalum resistors, Audio Note™ silver wiring, 5687 line stage with novel power supply design based on the patented M10, 6X5, OB2, ECL82, Black Gate™ WKz filter caps, Audio Note™ in-house designed and wound output transformers with copper primary and an Audio Note™ silver wired secondary on an 0.1 mm Audio Note™ AN-Perma 50 nickel double C-cores.Phono version has MM phono stage with Audio Note copper foil capacitors and 6072A double triodes.