AKG HSD 271 Single User Instructions page 20

6 Specifications
Microphone
Type:
Polar pattern:
Frequency range:
Sensitivity:
Max. SPL for 1%/3% THD:
Equivalent noise level:
Electrical impedance:
Recommended load impedance:
Headphones
Type:
Sensitivity:
Frequency range:
Power rating:
Rated impedance:
THD:
System
Connector:
Cable:
Finish:
Weight:
HSC 171, HSC 271 Frequency Response and Polar Diagram
HSD 171, HSD 271, HSD 271 Single Frequency Response and Polar Diagram
20
HSD 171
dynamic
hypercardioid
60 Hz to 17 kHz
1 mV/Pa (-60 dBV)
124/128 dB
15 dB(A)
≤600 ohms
≥2000 ohms
closed-back, supraaural
dynamic headphones
94 dB SPL/mW
18 Hz to 26 kHz
200 mW
55 ohms
<0.4%
6-pin mini XLR connector
2 x 3-conductor; separable;
10 ft. (3 m) long; coiled section;
with 6-pin female mini XLR
connector, 1/4" TRS jack plug
(headphones), and 3-pin XLR
connector (microphone)
matte black
255 g (9 oz.)
HSD 271, HSD 271 Single
dynamic
hypercardioid
60 Hz to 17 kHz
1 mV/Pa (-60 dBV)
124/128 dB
15 dB(A)
≤600 ohms
≥2000 ohms
closed-back, circumaural
dynamic headphones
94 dB SPL/mW
16 Hz to 28 kHz
200 mW
55 ohms
<0.3%
6-pin mini XLR connector
2 x 3-conductor; separable;
10 ft. (3 m) long; coiled section;
with 6-pin female mini XLR
connector, 1/4" TRS jack plug
(headphones), and 3-pin XLR
connector (microphone)
matte black
HSD 271: 305 g (10.8 oz.)
HSD 271 Single: 265 g (9.4 oz.)
HSC 171/271, HSD 171/271/Single