Sennheiser HMD 46 Instruction Manual page 18

HME 46-3, HME 46-31 and HME 46-3S
Headphones
Transducer principle
Ear coupling
Frequency response
Impedance
Characteristic SPL
at 1 kHz, 1 mW, mono
at 1 kHz, 1 V
THD (350–3,000 Hz)
Contact pressure
Microphone
Type
Transducer principle
Frequency response
Output voltage
Impedance
Supply voltage
General data
Ambient temperature
Weight without cable
dynamic, open
supra-aural
20–14,000 Hz
300 
HME 46-3/HME 46-31: 95 dB SPL
HME 46-3S:
HME 46-3:
HME 46-31:
HME 46-3S:
HME 46-3/HME 46-31: < 1% at 95 dB SPL
HME 46-3S:
approx. 3 N
BKE 46
pre-polarized condenser microphone,
noise-compensating
100–15,000 Hz
adjustable from 17–100 mV/Pa, 80 mV/Pa -2 dB
factory preset: 800 mV -2 dB at 114 dB SPL
HME 46-3PTT-LA, -ATC:
adjustable from 17–215 mV/Pa, 152 mV/Pa -2 dB
factory preset: 152 mV -2 dB at 114 dB SPL
150–2,200 
8–16 V DC
operation:
storage:
HME 46-3/HME 46-31: approx. 150 g
HME 46-3S:
98 dB SPL
83 dB SPL
103 dB SPL
97 dB SPL
< 1% at 98 dB SPL
–15°C to 55°C
–55°C to 70°C
approx. 110 g
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