30
Specifications
Headphones
Microphone incl. preamplifier
Transducer principle
dynamic
Ear coupling
circumaural, closed
Frequency response
20–20,000 Hz
Nominal impedance active/passive 400/300
Ω
, mono
600/600
Ω
, stereo
Attenuation (active/passive)
> 25–40 dB
Contact pressure
approx. 8 N
Transducer principle
pre-polarized condenser microphone capsule,
noise-compensating, MKE 45-1
Frequency response
300–5,000 Hz
Max. sound pressure level
120 dB
Min. terminating impedance
150
Ω
Output voltage
400 mV
±
3 dB at 114 dB (as per RTCA/DO 214)
Supply voltage
typ. 16 V
DC
(8-16 V
DC
, approx. 8-25 mA, as per
RTCA/DO 214)
Содержание HMEC 460
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