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HDA300 Audiologischer Hochton-Kopfhörer von Sennheiser

HDA300 Sennheiser Audiological Tweeter Headphones

€555.55 *

Prices incl. VAT plus shipping costs

Ready to ship today,
Delivery time appr. 1-3 workdays

  • 2-61000091
The HDA 300 is a closed, dynamic headphone designed specifically for use with high-frequency... more
The HDA 300 is a closed, dynamic headphone designed specifically for use with high-frequency audiometers. It is the successor to the proven HDA200 tweeter headphones from Sennheiser.

Features:
- Very high passive external noise reduction - patients only hear what they are supposed to hear
- Very good reproducibility of measurement results
- Very good wearing comfort even during lengthy examinations due to soft, replaceable ear pads and two padded head straps
- One-sided cable guide for convenient handling when setting up and positioning
- With two mono plugs for immediate use
- Foldable earpieces for easy storage and transport
- Type tested by the Physikalisch-Technische Bundesanstalt (PTB). The headphones comply with IEC 60645-1.

Technical data:
- Frequency range (headphones) :20 Hz - 20,000 Hz
- Characteristic SPL: 117dB at 1kHz, 0,5V
- contact pressure: 8,8N +/- 0,5N
- Length of connecting cable: approx. 2.2m
- Transducer principle: dynamic, closed, closed
- Weight: incl. cable: 490 g
- Nominal impedance: 23 Ohm
- Power rating: 500 mW
- Max. Input voltage: 3.5 V, < 10 min
- Connection: 2 mono sockets on the right. Or free: Green: -L, yellow: +L, red: +R, blue: -R

Scope of delivery: headphones, 2 x 6.3 mm mono clinic plugs and operating instructions
evidENT-shop Article 381

Note: To obtain accurate measurements, the audiometer must be recalibrated periodically and each time audiometric headphones are replaced
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