HDA 200 Audiometric Headphone
Closed dynamic headphones designed for extended high frequency testing.
Features
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Excellent passive attenuation (based on Peltor TM Ear Defenders)
Very high quality sound reproduction
Convenient single sided cable
Padded headband and additional adjustable/removable cushions for increased comfort
Soft, replaceable circumaural ear pads
Color coded ear cups, right (red) left (blue)
Technical Data
Frequency response
PTB calibrated
< 20 to > 20,000 Hz
see table
Transducer principle
Nominal impedance
Characterisitic SPL
Max permanent load
Coupling
dynamic, closed
40 Ohm
100 dB at 1 kHz, 1 mW
500 mW
circumaural
10 N
330 g
Caliper pressure
Weight (with cable)
Cable approx. 3 m,
Connection
single-sided, open-ended
yellow + L
black
red
white
– L
+ R
– R
Standard
SPL
Passive
Maximum SPL
(<10 min. @
(dB)
frequencies (dB 20µPa) attenuation
HDA200 is PTB approved. Physikalisch-Technische
Bundesanstalt, Braunschweig, Germany. PTB is equivalent to
the National Bureau of Standards.
(Hz)
@
.5 Vrms
5
V
RMS)
HDA 200 Frequency Response Test Conditions
125
112.5
113.0
112.0
111.0
108.5
104.0
104.0
104.0
106.5
107.5
105.5
105.0
102.5
102.0
103.0
98.5
14.3
15.9
132
132
132
131
129
124
124
124
127
125
125
123
122
123
118
119
3
• All measurements are done on a calibrated coupler
250
500
3
3
3
3
3
3
3
3
3
5
5
5
5
5
5
B&K 4153 (artificial ear) with the standard cone
22.5
750
-
28.6
YJ0304 above the adapter plate, type DB 0843.
• The pressure of the headband shall be 10N 1N.
• The RMS input voltage to the headphone is 0.5 V.
1,000
2,000
3,000
4,000
5,000
6,000
8,000
9,000
10,000
11,200
12,500
14,000
-
32.0
45.7
-
• The measurements are done with steady state sine
wave signals.
-
43.8
• The output impedance of the signal source shall be
-
-
-
-
-
<1 Ohm.
• Climatic conditions:
Temperature
T=20º C
H=50%rel
P=approx. 100kPa
Humidity
Atmospheric pressure
16,000
100.0
-
120
5
All data are influenced by temperature, humidity and static pressure.
Sennheiser Electronic Corporation One Enterprise Drive PO Box 987, Old Lyme, CT 06371
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