Sennheiser HDA 280 User Manual
HDA 280
Audiology | Special Headphones |
Cat. No. 009860 |
Description
The HDA 280 is a pair of closed, dynamic headphones designed for use with audiometers.
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Technical Data |
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Frequency response...................................... |
< 20 Hz to > –20 kHz |
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Transducer principle................................................ |
dynamic, closed |
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Nominal inmpedance.................................................................. |
37 Ω |
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Characteristic SPL.................................... |
117 dB (at 1 kHz, 1 mW) |
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Max. nominal continuous |
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input power ..................................... |
500 mW (as per EN 60268-7) |
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Ear coupling........................................................................ |
supraaural |
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Contact pressure............................................................... |
5 N ± 0,5 N |
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Weight (with cable).................................................................. |
330 g |
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Connection cable..................................... |
approx. 3 m, open-ended |
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Core assignment ................................................................. |
green + L |
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copper — L |
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red + R |
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copper — R |
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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
Replacement Parts |
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Headband |
Cat. No. 083321 |
Product Variants |
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HDA 280-N (24 units/carton) |
Cat. No. 009861 |
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