Sennheiser HDA 300 User manual

HDA 300

Instruction manual

Audiometric headphone

Sensitivity level

on ear simulator with adapter (plate) and

conical ring according to

IEC 60318-1:2010*

on 6 ccm coupler according to

IEC 60318-3:2010

Frequency in Hz

Mean value

on B&K 4153

in dB re 1 Pa/V

Standard

deviation in dB

Mean value

on B&K 4152

in dB re 1 Pa/V

Standard

deviation

63 34.9 0.58 24.5 1.08

80 35.6 0.75 27.2 0.90

100 36.1 0.58 29.1 0.68

125 36.1 0.88 30.5 0.52

160 37.2 0.40 31.7 0.41

200 38.0 0.31 32.5 0.29

250 38.0 0.67 33.1 0.44

315 38.6 0.77 34.2 0.27

400 38.2 1.03 35.3 0.22

500 37.2 1.05 36.3 0.22

630 35.4 0.75 37.5 0.28

750 33.5 0.61 38.2 0.41

800 32.7 0.53 38.4 0.34

1000 30.1 0.28 38.8 0.61

1250 27.5 0.37 37.4 0.62

1500 25.2 0.26 36.0 0.29

1600 24.3 0.33 35.3 0.20

2000 21.1 0.52 33.2 0.58

2500 20.3 0.54 32.0 0.42

3000 20.0 0.55 29.7 0.36

3150 19.8 0.55 29.0 0.29

4000 16.3 0.46 26.7 0.14

5000 26.1 0.20 27.0 0.36

6000 26.4 0.25 28.9 0.54

6300 26.7 0.36 28.3 0.54

8000 28.1 1.56 18.4 0.74

10000 19.4 0.43

12000 24.1 0.81

12500 20.2 0.68

14000 17.5 1.04

16000 16.1 0.85

* measured with additional adapter for a quicker and more accurate positioning on coupler plate

This is optionally available from Sennheiser.

Measuring conditions

Temperature: 22 °C

Relative humidity: 50 %

Standards

Headphones comply with IEC 60645-1, IEC 60645-2, ANSI S3.6-2010

Reference equivalent threshold sound pressure level

on ear simulator with adapter (plate) and conical ring according to IEC 60318-1:2010

Frequency in Hz

Mean value

on B&K 4153

in dB re 20 µPa

Standard

deviation in dB

Median value ***

on B&K 4153 in dB

Interquartile

range in dB

125 26.2 3.9 27.0 5.5

250 20.1 3.1 20.0 4.0

500 8.6 4.0 8.0 3.5

750* 5.1 4.5

1000 2.7 4.6 2.0 4.5

1500 3.2 7.1 3.0 6.5

2000 0.5 4.5 0.0 7.0

3000 -1.6 6.0 -3.0 7.5

4000 0.1 5.4 -0.5 5.5

5000 11.3 4.4 10.5 6.0

6000 20.9 7.2 21.0 7.5

8000 23.1 6.1 23.0 6.0

9000 27.1 5.4 27.5 7.0

10000 18.5 5.7 18.0 6.0

11200 22.9 5.6 22.0 8.5

12500 27.0 5.5 27.0 10.0

14000 32.8 6.9 33.5 7.5

16000 47.7 14.4 45.5 12.5

Reference equivalent threshold sound pressure level

on 6 ccm coupler according to IEC 60318-3:2010

Frequency in Hz

Mean value

on B&K 4152

in dB re 20 µPa

Standard

deviation in dB

Median value ***

on B&K 4152 in dB

Interquartile

range in dB

125 22.3 3.9 23.0 5.4

250 14.7 3.1 14.5 4.0

500 7.4 4.0 6.5 3.5

750* 9.5 9.0

1000 11.0 4.6 10.5 4.0

1500 14.8 7.1 14.5 7.0

2000 12.3 4.5 12.0 7.0

3000 8.0 6.0 6.5 7.5

4000 10.0 5.4 9.5 5.5

5000 12.3 4.4 11.5 6.0

6000 23.0 7.2 23.0 7.5

8000 15.9 6.1 16.0 6.0

* interpolated values

*** rounded to nearest 0.5 dB

Difference between free-field sensitivity level GF and ear simulator sensitivity level GC

on ear simulator with adapter (plate) and conical ring according to IEC 60318-1:2010

Frequency in Hz Mean value on B&K 4153

in dB

Standard

deviation in dB

Median value***

on B&K 4153 in dB

Interquartile

range in dB

100** -12.6 -12.0

125 -12.2 4.4 -12.0 5.5

160* -11.7 -11.5

200* -11.3 -11.5

250 -10.9 3.9 -11.5 4.5

315* -10.9 -11.0

400 -11.0 4.3 -10.0 7.0

500 -7.8 3.5 -7.5 3.5

630* -5.4 -5.0

800* -3.0 -3.0

1000 -0.8 3.4 -1.0 3.5

1250 0.3 4.7 0.0 6.0

1600 -0.7 3.2 -0.5 5.5

2000 -2.1 4.0 -2.0 7.0

2500 -3.0 3.0 -3.0 3.0

3150 -5.2 3.1 -6.0 4.0

4000 -5.4 3.3 -4.5 6.0

5000 -11.7 3.3 -10.5 2.5

6300 -7.5 3.9 -7.0 6.0

8000 -10.1 4.5 -10.0 7.0

Difference between free-field sensitivity level GF and coupler sensitivity level GC

on 6 ccm coupler according to IEC 60318-3:2010

Frequency in Hz Mean value on B&K 4152

in dB

Standard

deviation in dB

Median value***

on B&K 4152 in dB

Interquartile

range in dB

100** -5.8 -5.0

125 -5.8 4.4 -5.5 5.5

160* -5.7 -5.5

200* -5.6 -6.0

250 -5.6 3.9 -6.0 5.0

315* -6.3 -6.0

400 -7.1 4.3 -6.0 7.0

500 -5.7 3.5 -5.0 3.5

630* -7.2 -7.0

800* -8.7 -8.5

1000 -10.2 3.4 -10.5 4.0

1250 -11.3 4.7 -11.5 6.0

1600 -13.4 3.2 -13.5 5.0

2000 -14.8 4.0 -15.0 5.5

2500 -15.2 3.0 -15.0 3.0

3150 -14.6 3.1 -15.5 4.0

4000 -14.0 3.3 -13.0 6.0

5000 -13.5 3.3 -12.0 2.0

6300 -9.2 3.9 -8.5 6.0

8000 -3.3 4.5 -3.0 7.0

* interpolated values

** extrapolated value

*** rounded to nearest 0.5 dB

Passive Attenuation

according to ISO 4869-1:1994 / EN 24869-1:1993

Frequency in Hz Mean value in dB

63 12.5

125 12.4

250 12.7

500 9.4

1000 12.8

2000 15.1

4000 28.8

8000 26.2

Contents

HDA 300 | 1

Contents

Important safety information .................................................................................. 2

Package contents ....................................................................................................... 3

Product overview ....................................................................................................... 4

Connecting the HDA 300 to an audiometer and calibrating the audiometer ... 5

Storing the HDA 300 .................................................................................................. 5

Using the HDA 300 ..................................................................................................... 6

Cleaning and maintaining the HDA 300 ................................................................. 7

Replacing the ear pads ............................................................................................... 8

Replacing the headband paddings .......................................................................... 8

Replacing the diaphragm cover ...............................................................................9

Specifications ............................................................................................................ 10

Manufacturer declarations ..................................................................................... 10

Important safety information

2 | HDA 300

Important safety information

왘Read this instruction manual carefully and completely before using the

product.

왘Always include this instruction manual when passing the product on to third

parties.

왘Do not use an obviously defective product.

Preventing damage to health and accidents

왘For reasons of hygiene, never use the headphones on broken skin.

왘Reduce the volume before using the headphones. To prevent hearing damage,

avoid listening to music at high volumes over a longer period of time.

왘Always maintain a distance of at least 3.94" (10 cm) between the ear caps and

the cardiac pacemaker or implanted defibrillator since the product generates

permanent magnetic fields.

왘Keep the product, accessories and packaging parts out of reach of children and

pets to prevent accidents and choking hazards.

Preventing damage to the product and malfunctions

왘Always keep the product dry and do not expose it to extreme temperatures

(hairdryer, heater, extended exposure to sunlight, etc.) to avoid corrosion or

deformation.

왘Reduce the volume before using the headphones.

왘To prevent hearing damage, avoid listening to music at high volumes over a

longer period of time

왘Only use attachments/accessories supplied or recommended by Sennheiser.

왘Only clean the product with a soft, dry cloth. The headband paddings and

the ear pads can be cleaned with disinfectants recommended by Sennheiser

(see page 7).

Intended use/Liability

The HDA 300 is a pair of closed, dynamic headphones designed for use with

audiometers. The headphones are also suitable for high frequency audiometry.

This product can be used for commercial purposes.

It is considered improper use when this product is used for any application not

named in this instruction manual.

Sennheiser does not accept liability for damage arising from abuse or misuse of

this product and its attachments/accessories.

Package contents

HDA 300 | 3

Package contents

HDA 300 headphones

HZH 350 hygiene pads

Instruction manual

A list of accessories can be found on the HDA 300 product page at

www.sennheiser.com. For information on suppliers, contact your local

Sennheiser partner: www.sennheiser.com > “Service & Support“.

Some of the available accessories:

• HZH 350 hygiene pads

• Ear pads for the HDA 300

• Diaphragm covers for the HDA 300

• Open-ended connection cable for the HDA 300

• XL headband paddings for small head sizes

Manual

Product overview

4 | HDA 300

Product overview

왘Before wearing the headphones, remove the protective foil Afrom the

Sennheiser logo.

1Headband padding

2Headband

3Ear cap, left (blue)

4Ear pad

5Diaphragm cover

6Ear cap, right (red)

7Plug, right (red)

8Plug, left (blue)

9Connection cable

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