Sennheiser HDA 280 Audiometer Headphones

Sennheiser Updated: 2009-01-07 RSS
Sennheiser HDA 280 Audiometer Headphones

The HDA 280 is a pair of closed, dynamic headphones designed for use with audiometers.

Features

* Position-independent audiometer headphones
* Type approved by the German Physikalisch-Technische Bundesanstalt (PTB) as per IEC 60645-1
* 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

Delivery Includes

* 1 HDA 280 audiometer headphones
* 1 unterminated cable (approx. 3m)
* 1 spec sheet (German/English)
* 1 guarantee card

Technical Data

Transducer principle (Headphones): dynamic, closed
Frequency response (headphones): 20.....20000 Hz
Characteristic SPL (1 kHz, 1 mW): 117 dB
Load rating: 500 mW (EN 60268-7)
Nominal impedance: 37 Ohm
Contact pressure: 5 N +/- 0,5 N
Connection cable: ca. 3 m, long, open cable end
Weight incl. cable: 330 g