Instructions for Use
Page 4
Headset features HMEC 350 NoiseGard™ headset • New active headset with effective attenuation of external noise across the entire frequency spectrum due to NoiseGard™ active noise compensation ...; Improved acoustic properties: The frequency response of the headphones has been optimised in the 1 to 4 kHz region to give significantly increased speech intelligibility over the HMEC 300 series • Excellent comfort due to very low weight, soft ear cushions and padded headband as well as best possible freedom of movement due to...
Headset features HMEC 350 NoiseGard™ headset • New active headset with effective attenuation of external noise across the entire frequency spectrum due to NoiseGard™ active noise compensation ...; Improved acoustic properties: The frequency response of the headphones has been optimised in the 1 to 4 kHz region to give significantly increased speech intelligibility over the HMEC 300 series • Excellent comfort due to very low weight, soft ear cushions and padded headband as well as best possible freedom of movement due to...
Instructions for Use
Page 32
terminating impedance Output voltage Supply voltage 32 HMEC 355 Ȋ HMEC 355-C Ȋ HMEC 372 dynamic circumaural, closed 45-15,000 Hz 300/150 Ω, mono > 25-40 dB 120 dB (±5 %) approx. 10 N pre-polarized condenser mic capsule, noise-compensated, MKE 45-1 300-5,000 Hz - 120 dB 150 Ω 400 mV ± 3 dB at 114...
terminating impedance Output voltage Supply voltage 32 HMEC 355 Ȋ HMEC 355-C Ȋ HMEC 372 dynamic circumaural, closed 45-15,000 Hz 300/150 Ω, mono > 25-40 dB 120 dB (±5 %) approx. 10 N pre-polarized condenser mic capsule, noise-compensated, MKE 45-1 300-5,000 Hz - 120 dB 150 Ω 400 mV ± 3 dB at 114...