Sennheiser Orpheus
Data[edit]
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[edit]
- Limited to 300 pieces worldwide.
- pure handmade
- selected tubes
- The Orpheus is considered the best headphones in the world since its release until today.