Sennheiser HD 570 Instructions for Use - Page 3

HD 570 The HD 570 is an audiophile quality open dynamic hi-fi/professional stereo headphone with an advanced diaphragm design that eliminates standing waves in the diaphragm material. The HD 570 is suitable for use with hi-fi and recording systems of the highest quality. This headphone is an ideal choice for the professional recording engineer recording classical music. Features • Advanced "Duofol" capsule design eliminates standing waves in the diaphragm material • New damping element for controlling the diaghragm oscillation, optimally matches the headphone to all sound sources • Computer-optimised neodymium ferrous magnet systems ensure optimum sensitivity and an excellent dynamic response, and minimise harmonic and intermodulation distortion • Exceptionally natural, spatial and accurate sound • Very comfortable to wear due to ear pads made from cotton velours • Detachable OFC copper cable, Kevlar reinforced, with very low handling noise Technical Data Transducer principle Ear coupling Frequency response Frequency characteristic Characteristic SPL Load rating THD Nominal impedance Contact pressure Weight (without cable) Connection Connector Subject to alterations. dynamic circumaural, open 18 - 22,000 Hz diffuse field equalised 102 dB SPL at 1 kHz, 1 Vrms 100 mW ≤ 0.2 % (1 KHz, 100 dB SPL) 64 Ω 3 N 210 g cable 3 m, detachable single-sided OFC copper cable 3.5 mm Ø stereo mini jack plug with adaptor to 1/4Ș (6.3 mm) stereo jack plug