Specifications
HMDC
Headphones |
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Transducer principle | dynamic, closed | ||
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Ear coupling |
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Frequency response | 20 to 18,000 Hz | ||
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Impedance | 600 Ω mono/1200 Ω stereo | ||
Characteristic SPL | 108 dB SPL at 1 kHz, 1 mW | ||
| 110 dB SPL at 1 kHz, 1 V | ||
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Max. SPL | 120 dB SPL at 1 kHz | ||
Active noise |
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≥ 18 dB (100 to 300 Hz) | |||
compensation | |||
Attenuation |
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(active/passive) | 15 to 30 dB |
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THD | < 0.5% at 1 kHz | ||
Contact pressure | approx. 3.9 N | ||
Microphone |
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Type | BMD 424 |
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Transducer principle | dynamic, | ||
Frequency response | 40 to 16,000 Hz | ||
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Output voltage | 0.4 mV/Pa at 1 kHz | ||
Impedance | 300 Ω |
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General data |
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Temperature range | operation: | ||
| storage: | ||
Weight without cable | approx. 210 g | ||
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Power supply for | 2x 1.5 V AA alkaline battery (IEC LR 6) or | ||
NoiseGard | 2x 1.2 V AA rechargeable battery (IEC LR 6), | ||
| operating time approx. 60 h |
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