General Data - Sennheiser NoiseGard HMEC 25-6A Instrucciones Para El Uso

HMEC 25-6A block diagram
boom headphone compensation
microphone capsule (left) microphone (left)
microphone compensation
amplifier circuit (left)
6-pin
Redel
plug
HMEC 25-KAP-2 block diagram
boom headphone compensation
microphone capsule (left) microphone (left)
microphone compensation
amplifier circuit (left)
PJ 068 6,35 mm
plug plug
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compensation headphone
microphone (right) capsule (right)
compensation
circuit (right)
compensation headphone
microphone (right) capsule (right)
compensation
circuit (right)
Technical data NoiseGard ™ HMEC 25-6A / -KAP-2
Headphone
Transducer principle dynamic, open, supra-aural
Frequency response 16 Hz - 22 kHz
200 / 180 Ω (mono)
Impedance active/passive
400 / 360 Ω per side (stereo)
same volume for active and passive
THD < 1 %
15 dB ± 3 dB between 100 Hz and 2 kHz
Compensation active
Frequency response of
the active compensation 50 - 600 Hz
Microphone incl. preamplifier
Transducer principle Noise-compensated back-electret condenser
microphone capsule
Frequency response 300 Hz - 5 kHz (as per RTCA/DO-214)
Max. sound pressure level 120 dB
400 mV ± 3 dB at 114 dB
Output voltage
and a distance of 6 mm
(as per RTCA/DO-214)
150 Ω
Terminating impedance
Operating voltage typ. 16 V DC, approx. 8 - 25 mA,
connections as per RTCA/DO 214

General data

Contact pressure approx. 2.5 N
Weight without cable 170 g
Cable single-sided, total length 1.8 m
Connectors HMEC 25-6A: 6-PIN Redel
HMEC 25-KAP-2: headphone: 6.35 mm (1/4") jack plug
microphone: PJ-068, 5.25 mm
Power supply NoiseGard™- 12 - 35 V DC
Current consumption typ. 18 mA
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