DZ-9769 + DZ-9770

Symmetrical pinnae for Head and Torso Simulator

These symmetrical pinnae comply with ITU-T Rec. P.58, IEC 60318-7 and ANSI S3.36-1985, including testing of headphones and hearing protectors as well as measurements on telephones, hands-free communication devices and hearing aids.

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The symmetrical pinnae for Head and Torso Simulator (HATS) Types 4128-C and D are used to obtain an identical positioning of the right and left part of the headset.

The symmetrical pinnae come in a soft (OO-35°) and hard (OO-55°) version, both complying with the IEC and ITU-T recommendations. To ensure high quality measurement results, the left pinna is a digital mirroring of the original right pinna, providing a set of symmetrical pinnae to be used with HATS:

  • DZ-9769 Right pinna shore OO-35° (soft)
  • DZ-9770 Left pinna shore OO-35° (soft)
  • DZ-9771 Right pinna shore OO-55° (hard)
  • DZ-9772 Left pinna shore OO-55° (hard)