Sennheiser HMD 46, HME 46 manual at 110 dB SPL

Specifications	HME 46-31
Headphones
Transducer principle	dynamic, open
Ear coupling	supra-aural
Frequency response	20–14,000 Hz
Impedance	300 Ω per system
Characteristic SPL	103 dB SPL at 1 kHz, 1 mW, mono
	83 dB SPL at 1 kHz, 1 V
THD	< 1 % at 110 dB SPL
	(350–3,000 Hz)
Contact pressure	approx. 3 N
Microphone
Type	MKE 46
Transducer principle	pre-polarized condenser
	microphone,
	noise-compensating
Frequency response	100–15,000 Hz
Output voltage	adjustable from 17–100 mV/Pa,
	80 mV/Pa (factory pre-set)
	400 mV at 114 dB SPL
Terminating impedance	150–2,200 Ω
Supply voltage	8–16 V DC
General data
Temperature range	Operation:	–15 °C to 55 °C
	Storage:	–55 °C to 70 °C
Weight without cable	150 g

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