Datasheet

Technical Data
Product HME 27 ATC/C3
300 ohm
HMD 27 ATC/C3 w.
Std Boom
HMD 27 ATC/C3
w. 5 ohm Mic
HMD 27 ATC/C3
5 ohm w/o AG
HMD 27 ATC/C3
w/o AG
HME 27 S ATC/C3
Art. No.      
EAN No.                        
UPC No.                        
Headphones
Sound pressure level:
dB SPL @ 1 KHz, 0.5 V 94 +/- 3 94 +/- 3 94 +/- 3 94 +/- 3 94 +/- 3 94 +/- 3
dB SPL @ 1 KHz, 1 mW 95 +/- 3 95 +/- 3 95 +/- 3 95 +/- 3 95 +/- 3 95 +/- 3
dB SPL @ 1 KHz, 1V 100 +/- 3 100 +/- 3 100 +/- 3 100 +/- 3 100 +/- 3 100 +/- 3
Max SPL* [dB] 122 ActiveGard off
110 ActiveGard on
122 ActiveGard off
110 ActiveGard on
122 ActiveGard off
110 ActiveGard on
122 122 122 ActiveGard off
110 ActiveGard on
THD, total harmonic
distortion at 100 dB SPL
at 1 kHz
< 1 % < 1 % < 1 % < 1 % < 1 % < 1 %
Frequency response 8-18,000 Hz 8-18,000 Hz 8-18,000 Hz 8-18,000 Hz 8-18,000 Hz 8-18,000 Hz
Impedance 300
Ω 300 Ω 300 Ω 300 Ω 300 Ω 300 Ω
Microphone
Microphone type Electret Dynamic Dynamic Dynamic Dynamic Electret
Sensitivity /
Output voltage
Adjustable 17 – 100
mV/Pa. Preset = 80
mV/Pa +0/-2 dB,
equals 800 mV
+0/-2 dB @ 114 dB
SPL
0.5 mV/Pa @ 1 kHz 0.12 mV/Pa @ 1 kHz 0.12 mV/Pa @ 1 kHz 0.5 mV/Pa @ 1 kHz Adjustable 17 – 100
mV/Pa. Preset = 80
mV/Pa +0/-2 dB,
equals 800 mV
+0/-2 dB @ 114 dB
SPL
Pick-up pattern Figure-of-eight Cardioid Cardioid Cardioid Cardioid Figure-of-eight
Supply voltage 8-16 VDC N/A N/A N/A N/A 8-16 VDC
Frequency response 100–6,000 Hz 100–12,000 Hz 100–12,000 Hz 100–12,000 Hz 100–12,000 Hz 100-6,000 Hz
Impedance N/A 200 Ω 5 Ω 5 Ω 200 Ω N/A
Recommended load
impedance
150–2,200 Ω N/A N/A N/A N/A 150–2,200 Ω
HME 27 / HMD 27 Series
ATC Headsets
FACT SHEET
* Limited by ActiveGard®