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Cat. No. 009860

HDA 280

Audiology | Special Headphones

Description

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

with audiometers.

Technical Data

Frequency response ...................................... < 20 Hz to > –20 kHz

Transducer principle................................................ dynamic, closed

Nominal inmpedance ..................................................................37 Ω

Characteristic SPL ....................................117 dB (at 1 kHz, 1 mW)

Max. nominal continuous

input power .....................................500 mW (as per EN 60268-7)

Ear coupling ........................................................................supraaural

Contact pressure...............................................................5 N ± 0,5 N

Weight (with cable).................................................................. 330 g

Connection cable..................................... approx. 3 m, open-ended

Core assignment .................................................................green + L

copper — L

red + R

copper — R

Replacement Parts

Headband Cat. No. 083321

Product Variants

HDA 280-N (24 units/carton) Cat. No. 009861

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

Cat. No. 009860HDA 280Audiology | Special Headphones DescriptionThe HDA 280 is a pair of closed, dynamic headphones designed for use with audiomet

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Sennheiser 9860 Datenblatt