Sennheiser SET100 Technical data, HME 105 and HME, Headphones, Microphone incl. preamplifier

Technical data

	HME 100	HME 105 and HME 120	HMD 120
Headphones
Transducer principle	dynamic
Ear coupling
	circumaural, closed
Frequency response
	45–15,000 Hz
Nominal impedance	150 Ω, mono, 300 Ω, stereo	150 Ω, mono	16 Ω, mono
Attenuation	> 10–40 dB
Contact pressure	approx. 10 N
Microphone incl. preamplifier
Transducer principle	electret mic capsule,	electret mic capsule,	dynamic,
	noise-compensated	noise-compensated	noise-compensated
	MKE 45-1	MKE 45-1	M-87/AIC
Frequency response
	300–5,000 Hz	300–5,000 Hz	500–4,000 Hz
Sensitivity	–	–	1.8–4 µV/74 dB bei 5 Ω
Max. sound pressure level	120 dB	120 dB	–
Min. terminating impedance	150 Ω	150 Ω	–
Output voltage	400 mV ± 3dB	400 mV ± 3dB	–
	at 114 dB	at 114 dB
	(as per RTCA/DO 214)	(as per RTCA/DO 214)

44