Sennheiser HD 239 manual

Sennheiser HD 239
8.7 · 1
PDF manual
 · 1 page
English
manualSennheiser HD 239

Headphone Measurements:

Volts RMS required to reach 90dB SPL: 0.115 Vrms
Impedance @ 1kHz: 36 Ohms
Power Needed for 90d BSPL 0.37 mW
Broadband Isolation in dB (100Hz to 10kHz): -1 dBr
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Sennheiser HD 239

%THD+noise @ 90dB and 100dB

0.01
0.1
1
10
100
10 100 1000 10000 100000
Frequency
%THD+noise
Left 90dB Right 90dB Left 100dB Right 100dB

30 Hz Square Wave

-0.05
-0.04
-0.03
-0.02
-0.01
0
0.01
0.02
0.03
0.04
0.05
0.00 0.01 0.02 0.03 0.04 0.05 0.06 0.07 0.08 0.09 0.10
Time in Seconds
Volts
Right Left

300 Hz Square Wave

-0.04
-0.03
-0.02
-0.01
0
0.01
0.02
0.03
0.04
0.000 0.001 0.002 0.003 0.004 0.005 0.006 0.007 0.008 0.009 0.010
Time in Seconds
Volts
Right Left

Impulse Response

-0.03
-0.02
-0.01
0
0.01
0.02
0.03
0.0000 0.0003 0.0006 0.0009 0.0012 0.0015 0.0018 0.0021 0.0024 0.0027 0.0030
Time in Seconds

Isolation

Attenuation of External Sound vs. Frequency
-50
-45
-40
-35
-30
-25
-20
-15
-10
-5
0
5
10
10 100 1000 10000 100000
Frequency
Reduction in dB

Frequency Response

Top - Compensated and Averaged
Bottom - Raw Data for Five Headphone Positions
-50
-45
-40
-35
-30
-25
-20
-15
-10
-5
0
5
10
15
20
10 100 1000 10000 100000
Frequency
Amplitude (dB)

Electrical Impedance and Phase

Measured with 600 Ohm output impedance.
0
10
20
30
40
50
60
70
80
90
10 100 1000 10000 100000
Frequency
Impedance in Ohms
-60
-40
-20
0
20
40
60
Phase in Degrees
Impedance Phase

Manual

View the manual for the Sennheiser HD 239 here, for free. This manual comes under the category Headphones and has been rated by 1 people with an average of a 8.7. This manual is available in the following languages: English. Do you have a question about the Sennheiser HD 239 or do you need help? Ask your question here

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Sennheiser HD 239 specifications

Below you will find the product specifications and the manual specifications of the Sennheiser HD 239.

General
Brand Sennheiser
Model HD 239
Product Headphone
EAN 4044155071931
Language English
Filetype PDF

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