Feliks Audio

BLISS

Feliks Audio Bliss is a fully balanced electrostatic headphone amplifier using four 6E5P driver tubes, four 300B power tubes, and four EL34 tubes in a pure Class A, fully differential Hedge topology without output transformers. It provides adjustable bias from 120–360 V through the 6-pin Normal socket and 240–720 V through the 5-pin Pro socket, with a maximum output of 520 V RMS (1,470 V peak-to-peak), 2 V/4 V input sensitivity, approximately 250× gain, and RCA and balanced XLR inputs. The amplifier has a point-to-point-wired construction, Lundahl and Toroidy transformers, a 24-position DACT stepped attenuator, and solid-wood finishes in Oak, American Walnut, or Zebrano.