The Orpheus combination offers the audiophile the ultimate in reference sound reproduction. The Best Headphones In The World, that is the unanimous verdict on the Orpheus reached by the international trade press. Audiophile limited edition only 300 systems worldwide.

HE 90 Headphones: Electrostatic transducer principle, Electrodes made from special glass HEV 90 Amplifier: High-end valve (vacuum tube) amplifier, All valve analogue signal path, On-board dedicated bit-stream digital to analogue converter Inputs: optical, digital (Toslink); co-axial, digital (RCA phono) (automatic recognition of incoming sampling frequency) co-axial, analogue (RCA phono) Outputs: for two HE 90 headphones