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HEV 70
Security hints
As this headphone is operating with very high voltage because of the electrostatic
principle, as producer Sennheiser is obliged to point at possible dangers:
▵
Never use the headphone when you have wet hair, use the headphone
only in dry rooms.
▵
Behind the internal and external cover of the earphone systems are hot
parts. Do not stick pointed objects through the mesh!
▵
If the connecting cable is damaged the headphone must not be used any
longer. Defective connecting cables are to be exchanged immediately!
▵
Repairs of the electrostatic hifi stereo headphone are only to be made by
an authorized Sennheiser service agent.
Technical data
Transducer principle electrostatic
Sound coupling to the ear circumaural
Transmission range 12 - 65,000 Hz / -10 dB
18 - 55,000 Hz / -6 dB
Frequency response diffuse-field equalized
Distorsion < 0,1 %
Rated sensitivity ≥ 100 dB / 1 kHz
Polarization voltage max. 540 V
Pressure force 3.6 N
Weight (without cable) 260 g
Plug hard-gold plated, 6 pin, gold-plated contacts
Connecting cable 3 m, 6-core copper cable (OFC)
Suitable amplifier HEV 70
(delivery not included)
Subject to alterations.