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2.2
Technical data HMDC 26
2.2.1 Headphones
Transducer principle ___________________ dynamic, closed
Ear coupling _________________________ supra-aural
Frequency response ___________________ 20 Hz to 18 kHz
Impedance __________________________ 600 Ω mono/1200 Ω stereo
Characteristic
at 1 kHz, 1 mW __________________ 108 dB SPL
at 1 kHz, 1 V ____________________ 110 dB SPL
Max. SPL at 1 kHz ____________________ 120 dB SPL
Active noise compensation
at 100 Hz to 300 Hz ______________
Attenuation (active and passive) _________ 15 dB to 30 dB
THD at 1 kHz ________________________ < 0.5%
Contact pressure _____________________ approx. 3.6 N
2.2.2 Mikrophone
Type ______________________________ BMD 424
Transducer principle BMD 424 ___________ dynamic, noise-compensating
Pick-up pattern ______________________ hyper-cardioid
Frequency response ___________________ 40 to 16,000 Hz
Output voltage at 1 kHz ________________ 0.4 mV/Pa
Impedance __________________________ 300 Ω
2.2.3 General data
Ambient temperature
Operaration ____________________ –15 °C to 55 °C
Storage _______________________ –55 °C to 70 °C
Weight without cable__________________ approx. 210 g
Power supply NoiseGard
Batteries_______________________ 2 x 1,5 V alkaline (type LR 6 = AA)
Rechargeable batteries ____________ 2 x 1.2 V (type LR 6 = AA)
Operating time NoiseGard ______________ approx. 60 hours
Cable and connector assignment _________ see page 21
≥
18 dB
HMD/HMDC/HME 26 Broadcast
08/2011 6/23
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