User manual SENNHEISER HD 650 DATASHEET

[. . . ] [. . . ] Developed from the award-winning HD 600, the HD 650s feature improved materials for even better sound reproduction. They captivate the listener with their expressiveness and emotion while maintaining absolute precision and lifelike reproduction. 09969 Features Hand-selected, matched headphone systems with very tight tolerances (+/- 1 dB) Computer-optimised magnet systems for minimising harmonic and intermodulation distortion Extremely lightweight aluminium voice coils ensure accuracy and fast transient response Neodymium ferrous magnet systems for high efficiency Specially developed acoustic silk provides uniform damping over its entire frequency range as well as minimising intermodulation and harmonic distortion Elegant silver-titanium finish High-quality metal mesh covers for superb open and transparent sound Extremely natural, spatial sound image Balanced, crisp bass and deep bass reproduction Authentic voice reproduction Specially developed OFC copper cable, Kevlar-reinforced, insensitive to handling noise Gold-plated ¼" jack plug with adaptor lead to 3. 5 mm jack plug 2-year guarantee Technical data Nominal impedance Contact pressure Weight w/o cable Jack plug Transducer principle (Headphones) Ear coupling Cable length Frequency response (headphones) Sound pressure level (SPL) THD, total harmonic distortion 300 Ohm ca. 260g 6, 3/3, 5 mm stereo open, dynamic circumaural 3m 10. . . . . 39500 Hz 103 dB (1 Vrms) 0, 05 % [. . . ] [. . . ]