Difference between revisions of "Sennheiser HDA280 specifications"
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==Description== | ==Description== | ||
| − | [[File: | + | [[File: Sennheiser_HDA280_frequency_spectrum.png|thumb|Sennheiser HDA280 frequency spectrum]] |
The HDA 280 is a pair of closed, dynamic headphones designed for use with audiometers. | The HDA 280 is a pair of closed, dynamic headphones designed for use with audiometers. | ||
*Position-independent audiometer headphones | *Position-independent audiometer headphones | ||
Revision as of 13:44, 21 November 2023
Description
The HDA 280 is a pair of closed, dynamic headphones designed for use with audiometers.
- 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
| Specification | Value |
|---|---|
| Frequency response (headphones) | 20 - 20000 Hz |
| Characteristic SPL | 117 dB |
| Contact pressure | 5 N ± 0.5 N |
| Ear coupling | supraaural |
| Connection cable | 3 m |
| Transducer principle | dynamic, closed |
| Weight | 330 g |
| Nominal impedance | 37 Ω |
| Nominal load rating | 500 mW (EN 60268-7) |