Difference between revisions of "Sennheiser HDA280 specifications"

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Latest revision as of 14:11, 21 November 2023

Description

Sennheiser HDA280
Sennheiser HDA280 frequency spectrum

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