Sennheiser Orpheus

Data

General

  • Manufacturer: Sennheiser
  • Model: Orpheus (HE 90/HEV 90)
  • Years of manufacture: 1991 -
  • Made in:
  • Weight: 365 g (headphones), 13 kg (feed amplifier).
  • Original price approx.: 19.500,- DM (UVP)


Technical data

  • Principle: Electrostatic, open
  • Coupling to the ear: circumaural
  • Rated impedance:
  • Rated power handling:
  • Contact pressure: 4.6 N
  • Frequency response: 25 - 75,000 Hz -3 dB (headphones), 10 - 20,000 Hz -0.25 dB (feed amplifier)

Distortion factor: < 0.1% at 110 dB, < 0.01% at 94 dB

  • Sound pressure level: 118 dB
  • Connector: HV connector 5-pin
  • Cable length: 3 meters


Special Features

  • gold vaporized 1 µm thin polymer foil as membrane
  • real wooden case for storage
  • power supply amplifier HEV 90 in tube technology
  • power supply amplifier with line input and optical and coaxial digital input
  • Power amplifier with outputs for 2 headphones HE 90


Remarks

  • Limited to 300 pieces worldwide.
  • pure handmade
  • selected tubes
  • The Orpheus is considered the best headphones in the world since its release until today.

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