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HMEC300US.book Se ite 32 Mittwoch, 7. April 2004 3:24 15
Technical data
Headphones
Transducer principle
Ear coupling
Frequency response
Nominal impedance active/passive
Attenuation (active and passive)
Max. sound pressure level
Contact pressure
Microphone incl. preamplifier
Transducer principle
Frequency response
Sensitivity
Max. sound pressure level
Min. terminating impedance
Output voltage
Supply voltage
All manuals and user guides at all-guides.com
HMEC 300
HMEC 302
dy namic
circumaural, closed
45–15,000 Hz
300/150 Ω, mono
600/300 Ω, stereo
> 25–40 dB
120 dB (±5 %)
approx. 10 N
electret mic capsule, noise-compensated, MKE 45
300–5,000 Hz
–
120 dB
150 Ω
400 mV ± 3 dB at 114 dB (as per RTCA /DO 214)
typ. 16 V DC (8–16 V DC, approx. 8–25 mA, as per RTCA/DO 214)
HMEC 306
HMEC 400
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