Sennheiser HDA 280
Overview
The HDA 280 is a pair of closed, dynamic headphones designed for use with audiometers.
Features
-
Position-independent audiometer headphones
-
Excellent reproducibility of measurements
-
Soft, exchangeable ear pads
-
Space-saving design with collapsible, rotating ear-pieces
-
Comfortable to wear due to exchangeable headband padding
-
Single-sided, exchangeable cable
-
Core assignment: green: +L, copper: -L, red: +R, copper: -R
-
Type approved by the German Physikalisch-Technische Bundesanstalt (PTB) as per IEC 60645-1
-
Measurements of ETSPL-values for the HDA 280 headphones are published in International Journal of Audiology; Poulsen, T., Oakley, S.: Equivalent threshold sound pressure levels (ETSPL) for Sennheiser HDA 280 supra-aural audiometric earphones in the frequency range 125 Hz to 8000 Hz. International Journal of Audiology, vol 48, page 271-276, 2009
What's in the box?
- 1 HDA 280 audiometer headphones
- 1 unterminated cable (approx. 3m)
- 1 spec sheet (German/English)
- 1 guarantee card
Technical Data
-
- Frequency response (Headphones)
- 20 - 20000 Hz
-
- Characteristic SPL
- 117 dB
-
- Contact pressure
- 5 N +/- 0,5 N