Sennheiser HD 250 linear II Instructions for Use - Page 3

HD 250 linear II Audiophile quality, dynamic stereo headphone using sealed ear chamber principle. The HD 250 linear II is a dual purpose monitor/audiophile headphone which can either be used in professional studios or at home for fatigue-free musical enjoyment. • Excellent transient response thanks to its lightweight triple wound aluminum voice coil • Balanced, full frequency reproduction gives fatigue-free musical performance • Oxygen Free Copper signal cable for strength and contact noise elimination Technical data Frequency response Acoustic principle Frequency curve Nominal impedance Sensitivity at 1 kHz Power handling capacity THD (as per DIN 45000) Sound coupling to the ear Headband pressure Weight without cable Plug Length of connection cable 5 - 40000 Hz - 10 dB 10 - 25000 Hz - 3 dB dynamic, sealed Diffuse-field loudness equalisation 300 Ω 94 dB 200 mW (as per DIN 45582) < 0.2 % around the ears (circumaural) 3 N 215 g 6.3 / 3.5 ø stereo phone plug OFC-cable , 3 m For reasons of hygiene, ear pads should be replaced from time to time. Ear cushions (1 pair), Order No. 34183. Subject to alterations