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Specifications
23
HMDC 26-II-600
Headphones
Transducer principle dynamic, closed
Ear coupling supra-aural
Frequency response 20 to 18,000 Hz
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
Max. SPL 120 dB SPL at 1 kHz
Active noise
compensation
≥ 18 dB (100 to 300 Hz)
Attenuation
(active/passive)
15 to 30 dB
THD < 0.5 % at 1 kHz
Contact pressure approx. 3.9 N
Microphone
Type BMD 424
Transducer principle dynamic, noise-compensating, hyper-cardioid
Frequency response 40 to 16,000 Hz
Output voltage 0.4 mV/Pa at 1 kHz
Impedance 300 Ω
General data
Temperature range operation: -15°C to 55°C
storage: -55°C to 70°C
Weight without cable approx. 210 g
Power supply for
NoiseGard
2x 1.5 V AA alkaline battery (IEC LR 6) or
2x 1.2 V AA rechargeable battery (IEC LR 6),
operating time approx. 60 h