Sennheiser HD 580 Instructions for Use - Page 3

HD 580 • Audiophile „open-aire", dynamic stereo headphone • Diaphragm optimized using laser interferometry, no standing waves undesirable diaphragm distortions are virtually non-existant • Computer-optimized magnet system to minimize transducer distortion and intermodulation • Lightweight aluminum voice coil for clear, transparent sound • Powerful neodymium-ferrous rare earth elernent magnet system for improved audio perfomance • Excellent wearing comfort due to the elliptical shape of the earpads • Oxygen-Free Copper signal cable reinfoced with kevlar fibers for strength and contact noise elimination • Balaced, full frequency reproduction offers fatigue-free musical enjoyrnent • Connects directly to quality hi-fi components, especially compact disc and digital tape machines TECHNICAL DATA Frequency response Acoustic principle Frequency curve Nominal impedance Sensitivity at 1 kHz Power handling capability THD (as per DIN 45500) Sound coupling to the ear Headphone caliper pressure Weight (without cable) Plug Connecting cable 16 - 30.000 Hz (-3 dB) 12 - 38.000 Hz (-10 dB) dynamic, "open-aire" diffuse-field loudness equalization 300 Ω 97 dB 0.2 W as per DIN 45580 ≤ 0,1 % circumaural approx. 2.5 N 260 g 3.5 / 6.3 mm ø stereo jack OFC signal cable, 3 m The earpads have to be replaced from time to time for hygienic reasons. Earpads (1 pair), Order No. 50635. Subject to alterations.