תיאור
SENNHEISER HD 300
Features
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Suitable for high frequency audiometry
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High passive ambient noise attenuation – patients only hear what they are supposed to hear
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Excellent repeatability of readings
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Excellent comfort fit even for long testing periods thanks to soft, replaceable ear pads and two padded headbands
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Single-sided cable for tangle-free sessions
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Equipped with two mono plugs for immediate use
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Foldable ear cups for portable use and easy storage
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Design approved by the PTB (German organisation for type approvals, a national standards organisation similar to the British Standards Institute or the American National Bureau of Standards).
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Connector
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2 Mono-Jacks right. Or free: Green: -L, yellow: +L, red: +R, blue: -R
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Frequency response (Headphones)
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20 Hz – 20,000 Hz
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Characteristic SPL
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117dB at 1kHz, 0,5V
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Contact pressure
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8.8N +/- 0.5N
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Ear coupling
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circumaural
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Connection cable
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ca. 2.2m
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Transducer principle
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dynamic, closed
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Weight
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incl. cable: 490 g
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Nominal impedance
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23 Ohm
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Load rating
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500 mW
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Max. Input voltage
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3.5 V, < 10 min
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חוות דעת
אין עדיין חוות דעת.