HMD 280 PRO - Professional headphones SENNHEISER - Free user manual and instructions

USER MANUAL HMD 280 PRO SENNHEISER

Instructions for use

Notice d'emploi

Instructions for use 15

Notice d'emploi 27

Instructions for use

HMD 280 PRO / HMD 280-13
HMD 281 PRO / HMD 281-13

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

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 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).

Areas of application

The noise-cancelling microphone provides clear communications even in a noisy environment. The headphones not only effectively attenuate external noise but also minimise spillage from the headphones to the outside world.

The headsets are designed for applications in the professional audio field, such as broadcast, TV, film, theater and recording applications. The headsets can be used

for live presentations
for news reporting
with talkback systems
with intercom systems, etc.

The single-sided headset is mainly used to provide camera teams with programme signals.

Delivery includes

• Headset
  Wind and pop screen
• Instructions for use

Attention! High volume!

This is a professional headset. Commercial use is subject to the rules and regulations of the trade association responsible. Sennheiser, as the manufacturer, is therefore obliged to expressly point out possible health risks arising from use.

This system is capable of producing sound pressure exceeding 85dB(A) . 85dB(A) is the sound pressure corresponding to the maximum permissible volume which is by law (in some countries) allowed to affect your hearing for the duration of a working day. It is used as a basis according to the specifications of industrial medicine. Higher volumes or longer durations can damage your hearing. At higher volumes, the duration must be shortened in order to prevent damage.

The following are sure signs that you have been subjected to excessive noise for too long a time:

You can hear ringing or whistling noise in your ears!
You have the impression (even for a short time only) that you can no longer hear high frequencies!

Preparing the headset for use

Adjusting the headband

For good transmission quality and best possible comfort, the headband has to be adjusted to properly fit your head. To do so, adjust the headband via its snap-in locking mechanism.

Relocating the microphone boom

The microphone boom can be worn on either side of the mouth.

Loosen the quick-fixing device.
Turn the microphone boom towards the mouth.
Tighten the quick-fixing device.

Sliding over the wind screen

Before using the headset, slide the wind screen over the microphone. The wind screen must totally enclose the microphone.

Important:

Position the microphone towards the corner of the mouth

The headsets feature a flexible microphone boom. Bend the microphone boom so that the microphone is placed at the corner of the mouth. Maintain a distance of approx. 2cm between microphone and mouth. In this position, the risk of pop noise is reduced to a minimum.

Mounting a connector

To mate with any signal jack the headset's connecting cable can be fitted with a connector of your choice

“Connection diagrams”).

Folding up the headset

For space-saving transportation, the headset can be folded up in two different ways:

1. To fold up the headset as compact as possible, tuck the earcup without microphone boom inside the headband. Then fold the earcup with the microphone boom against the headband.

2. To fold up the headset as flat as possible, the earcups can be rotated by 90^ . Press the microphone with the flexible microphone boom as far as possible against the earcups.

Cleaning the headset

To clean the headset, use a soft, damp cloth. If necessary, the headset can be cleaned with soapy water (use a mild cleanser such as washing-up liquid).

Note:

Never use solvent-containing cleansers.

Replacing spare parts

Available accessories and spare parts

• Ear cushions
• Headband padding
• Wind screen for microphone
• Connecting cable

Replacing the ear cushions

Grasp behind the ear cushions and pull them up and away from the earcups. Slide the new ear cushions onto the earcups.

Replacing the headband padding

Pull the Ziploc type fastening strips of the headband padding apart, as shown in the diagram on the left, and remove the worn headband padding.
Put the new headband padding around the headband.
Pull the two edges of the headband padding together so that the fastening strips slightly overlap.
Join the fastening strips.

Replacing the wind screen

If the wind screen for the microphone shows signs of wear such as tears or holes, replace the wind screen.

Replacing the connecting cable

Replace the connecting cable if it is damaged. To do so, please proceed as follows:

Remove the ear cushion. Grasp behind the ear cushion and pull it up and away from the earcup.
Loosen the screw 1 and remove it.
Remove the cover with the microphone boom from the earcup 2.
Pull the connector 3 out of the socket.
Remove the antikink protection of the connecting cable from the holding device 4.
Insert the antikink protection of the new connecting cable into the holding device.
Plug the connector 3 of the new connecting cable into the socket as shown in the diagram on the left.
Put the cover with the microphone boom back onto the earcup ②.
Replace the screw 1 and tighten it.
▶ Slide the ear cushion onto the earcup.

Replacing the microphone

If the microphone of your headset should be defective, it must be replaced by your Sennheiser service partner.

Specifications

HMD 280 PRO / HMD 281 PRO | HMD 280-13 / HMD 281-13

Headphones

Classification (as per IEC 268-7)

Transducer principle

Impedance

Long-term max. input power

Ear coupling

Frequency response (-10dB referred to 1kHz)

Sound pressure level

Ambient noise attenuation

THD

Weight

Contact pressure

Length of coiled cable

268-7-IEC-DCSC-64R0-2/-1 268-7-IEC-DCSC-03R2-2/-1

dynamic dynamic

64Ω (as per IEC 268-7) 300 as per IEC 268-7

0.5 W (as per IEC 268-7) | 0.5 W (as per IEC 268-7)

circum-aural | circum-aural

8 Hz-25 kHz 8 Hz-25 kHz

102 dB (as per IEC 268-7) | 102 dB (as per IEC 268-7)
113 dB / 1 V rms | 107 dB / 1 V rms

max.32dB max.32dB

<0.1% (at 1 kHz, 100 dB SPL) | <0.1% (at 1 kHz, 100 dB SPL)

approx. 310g / 245g approx. 310g / 245g

approx. 4N approx. 4N

min. 1 min. 1

max. 3m max. 3m

Microphone

Transducer principle

Type of microphone

Pick-up pattern

Nominal impedance

Close-talking sensitivity

Near field frequency response

dynamic dynamic

pressure-gradient pressure-gradient

super-cardioid (see polar diagram) | super-cardioid (see polar diagram)

200Ω 200Ω

-63 dBV/Pa (at 1 kHz) -63 dBV/Pa (at 1 kHz)
0.7 mV/Pa (at 1 kHz) 0.7 mV/Pa (at 1 kHz)

50-13,500 Hz 50-13,500 Hz

Frequency response curves and polar diagram

Diffuse field frequency response - Headphones
Frequency response curve - Microphone

(measured in the near field with artificial mouth B&K 4219)

Polar diagram - Microphone

Connectors for HMD 280 and HMD 281

Connection diagrams

The HMD 280 and HMD 281 headsets can be fitted with a connector of your choice. For correct pin assignment, please refer to the connection diagrams below.

Connection diagram HMD 280
(white)

(+)
一

- -

Connection diagram HMD 281
whte +

red(+)
righ

Notice d'emploi

yewey

-

HMD 280 PRO / HMD 280-13

HMD 281 PRO / HMD 281-13

circumcural | circumcural

8 Hz-25 kHz 8 Hz-25 kHz

102 dB (selon IEC 268-7) | 102 dB (selon IEC 268-7)

113 dB/1Vrms 107dB/1Vrms

maxi. 32 dB maxi. 32 dB

-63 dBV/Pa (a 1 kHz) -63 dBV/Pa (a 1 kHz)

0,7mV / Pa (a 1kHz) 0,7 mV/Pa (a 1 kHz)

50hasta 13500Hz 50hasta 13500Hz

For up-to-date information on Sennheimer products, you can also visit the Sennheimer Web site at "http://www.sennheimer.com".