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Sennheiser HD 250
Closed, Circumaural Headphones
General Description

The HD 250 II Linear are closed dynamic hi-fi stereo headphones with the feel of an open design.  They are an ideal choice not only for professional monitoring and live sound recording, but also for use with high-end hi-fi systems where they ensure undisturbed enjoyment of music.

AuSIM enhances the basic HD 250 for audio simulation work with the addition of a mounting pad for a head-position tracker.  Because of their unique headband, the HD 250 offers improved positional accuracy when used with a tracker.  The top of the band maintains a consistent distance from the listener's ears, regardless of head size and shape.

The combination of tracker mounting, sound quality and comfort make them a perfect solution for use in a Virtual Reality environment.

AuSIM part number: AuHD250
Headphones can be ordered through AuSIM's on-line eCommerce site ... ORDER

  • Precise sound reproduction with wide dynamics
  • Extremely lightweight aluminum voice coils ensure an excellent transient response
  • Neodymium ferrous magnet systems for optimum sensitivity
  • Diffuse field equalized for unadulterated listening
  • Detachable OFC copper cable, very low handling noise
  • Head trackers maintain precise height from the ear-plane, regardless of head size and shape
Sennheiser HD 250 Headphones
Technical Data
Sennheiser HD 250 headphones with mounted tracker.
Nominal impedance 300 Ohm
Load rating 200 mW
Contact pressure 3 N
Weight w/o cable 215 g
Jack plug 1/8 inch/3.5mm stereo mini jack plug with adapter to 1/4 inch/6.3 mm stereo jack plug
Transducer principle Dynamic, closed
Ear coupling Circumaural
Connection cable 10 ft/3 m detachable single-sided OFC cable
THD, total harmonic distortion < 0.2 %
Sound pressure level (SPL) @ 1 KHz 94 dB
Frequency response (headphones) 5 - 40,000 Hz (-10 dB)
10 - 25,000 (-3 dB)
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