Sennheiser HMD 280 PRO - Manual
Sennheiser HMD 280 PRO – Manual, read for free online in PDF format. We hope this helps you resolve any issues you may have. If you have further questions, please contact us through the contact form.
Cat No. 004976
HMD 280 pro
Headsets |
Communications Headset
General Description
The HMD 280 pro headset has been specially designed for communica-
tions in high-noise environments. Its dynamic, super- cardioid microphone
has been optimised for close talking distances.
Features
j
Noise-compensated microphone with extremely low handling noise
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Microphone can be worn on either left or right-hand side
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Easily replaceable, single-sided coiled cable
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Very good attenuation of background noise
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Space-saving design with rotating earpieces
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Replaceable parts for long life
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Lightweight design
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Delivery includes: 1 HMD 280 pro
1 windshield
Replacement Parts
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Ear pads (1 pair)
Cat. No. 085733
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Headband padding
Cat. No. 083321
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Connection cable
Cat. No. 082072
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Windshield
Cat. No. 083411
Product Variants
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HMD 280-13: as HMD 280 pro, but with 300
Ω
headphone impedance
Cat. No. 004977
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HMD 281 pro: as HMD 280 pro, but single-sided
headphone, weight (w/o cable): approx. 245 g
Cat. No. 004978
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HMD 281-13: as HMD 281 pro, but with
300
Ω
head phone impedance
Cat. No. 004979
Technical Data
Headphones
Transducer principle ..............................................................dynamic
Ear coupling ........................................................ circumaural, closed
Frequency response ....................8 – 25,000 Hz (–10 dB / 1 kHz)
Sound pressure level ............................. 102 dB (as per IEC 268-7)
Attenuation .......................................................................max. 32 dB
Nominal impedance ...............................................64
Ω
per system
Load rating.................................................................................. 0.5 W
THD ............................................................................................ < 0.1 %
Contact pressure .............................................................. approx. 6 N
Weight (w/o cable) .....................................................approx. 310 g
Microphone
Transducer principle ..............................................................dynamic
Frequency response ................................................. 50 – 13,500 Hz
Pick-up pattern ........................................................... super-cardioid
Sensitivity (free field, no load, 1 kHz).............................. 1 mV/Pa
Nominal impedance ................................................................. 200
Ω
Connections
Connection cable................................... unterminated coiled cable,
min. 1 m/max. 3 m
dB
(V/Pa)
Hz
-100
-95
-90
-85
-80
-75
-70
-65
-62.5
-60
-55
-50
90
200
500
1k
2k
5k
10k
20k
Microphone frequency response (near field)
measured with B&K 4219 artificial mouth
Microphone Pick-up Pattern
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