Difference between revisions of "Sennheiser HDA280 specifications"
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==Description== | ==Description== | ||
| + | [[File: Sennheiser_HDA280.png|thumb|Sennheiser HDA280]] | ||
[[File: Sennheiser_HDA280_frequency_spectrum.png|thumb|Sennheiser HDA280 frequency spectrum]] | [[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. | ||
| Line 6: | Line 7: | ||
*Excellent reproducibility of measurements | *Excellent reproducibility of measurements | ||
*Soft, exchangeable ear pads | *Soft, exchangeable ear pads | ||
| − | * | + | *Collapsible, rotating ear-pieces |
| − | * | + | *Exchangeable headband padding |
*Single-sided, exchangeable cable | *Single-sided, exchangeable cable | ||
| Line 24: | Line 25: | ||
|- | |- | ||
| Ear coupling | | Ear coupling | ||
| − | | | + | | supra-aural |
|- | |- | ||
| Connection cable | | Connection cable | ||
| Line 40: | Line 41: | ||
| Nominal load rating | | Nominal load rating | ||
| 500 mW (EN 60268-7) | | 500 mW (EN 60268-7) | ||
| + | |- | ||
| + | | Compliance | ||
| + | | RL 2011/65/EU; EN 50581 | ||
| + | |||
|} | |} | ||
Latest revision as of 14:11, 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
- Collapsible, rotating ear-pieces
- 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 | supra-aural |
| Connection cable | 3 m |
| Transducer principle | dynamic, closed |
| Weight | 330 g |
| Nominal impedance | 37 Ω |
| Nominal load rating | 500 mW (EN 60268-7) |
| Compliance | RL 2011/65/EU; EN 50581 |