Sennheiser HDA280 specifications
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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 | supraaural |
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 |