Sennheiser HMD 280 PRO Instructions For Use Manual page 9

Thank you for choosing Sennheiser!
Over half a century of accumulated expertise in the design
and manufacture of high-quality electro-acoustic equipment
have made Sennheiser a world-leading company in this
field. We have designed this product to give you reliable
operation over many years.
Please take a few moments to read these instructions
carefully, as we want you to enjoy your new Sennheiser
product quickly and to the full.
Contents
Headset features .............................................................. 17
HMD 280 PRO headset ....................................................... 17
HMD 280-13 headset ........................................................... 17
HMD 281 PRO headset ....................................................... 17
HMD 281-13 headset ........................................................... 17
Areas of application ......................................................... 18
Delivery includes .............................................................. 18
Preparing the headset for use ....................................... 20
Adjusting the headband ..................................................... 20
Relocating the microphone boom .................................... 20
Sliding over the wind screen ............................................. 20
Position the microphone towards the corner of
the mouth .............................................................................. 20
Mounting a connector ........................................................ 20
Folding up the headset .................................................... 21
Cleaning the headset ....................................................... 21
Replacing spare parts ...................................................... 22
Available accessories and spare parts ........................... 22
Replacing the ear cushions ............................................... 22
Replacing the headband padding ..................................... 22
Replacing the wind screen ................................................ 22
Replacing the connecting cable ....................................... 23
Replacing the microphone ................................................. 23
Specifications ................................................................... 24
Frequency response curves and polar diagram ......... 25
Connection diagrams ....................................................... 26
Connection diagram HMD 280 .......................................... 26
Connection diagram HMD 281 .......................................... 26
16
Headset features
HMD 280 PRO headset
• Accurate, linear sound reproduction for critical
monitoring applications
• Low impedance headset (64 Ω impedance)
• Space-saving design features collapsible, rotating earcups
• Up to 32 dB of ambient noise attenuation
• Neodymium magnets for high maximum SPL
(113 dB / 1 V )
rms
• Very comfortable, even if used for long periods due to
• very light weight
• soft, circum-aural ear cushions
• padded, adjustable headband
• Single-coiled cable
• Noise-cancelling, super-cardioid boom microphone, with
excellent rejection of handling noise
• Very rugged with user-replaceable parts
HMD 280-13 headset
As HMD 280 PRO, but high impedance variant
(300 Ω impedance).
HMD 281 PRO headset
As HMD 280 PRO, but single-sided variant.
HMD 281-13 headset
As HMD 281 PRO, but high impedance variant
(300 Ω impedance).
17