Sennheiser S1 NOISEGARD, User Manual

Page: 28 / 32

Specifications
S1 DIGITAL | 27
Specifications
Headset
Transducer principle dynamic, closed
Ear coupling circumaural
Frequency response 20 – 16,000 Hz
Impedance active/passive mono: 130
Ω
passive/180
Ω
active
stereo: 260
Ω
passive/ 360
Ω
active
Characteristic SPL 98 dB SPL at 1 kHz, 1 V
rms
90 dB SPL at 1 kHz, 1 mW
Max. SPL 115 dB SPL at 1 kHz
THD <1% at 98 dB SPL
Contact pressure, adjustable approx. 5 – 7 N
Microphone incl. preamplifier
Type BKE S1-P
Transducer principle pre-polarized condenser microphone,
noise-compensating
Frequency response 100 Hz – 10 kHz
Output voltage 20 – 80 mV/Pa, adjustable
35 mV/Pa (factory preset)
Terminating impedance 150 – 2,200
Ω
Supply voltage 8 – 16 V
DC
General data
Ambient temperature operation: –15 °C to +55 °C
storage: –55 °C to +70 °C
Weight without cable approx. 410 g
Cable length approx. 1.90 m
Power supply for
NoiseGard
TM
/digital
12 – 35 V
DC
at max. 150 mA
(on-board DC power supply system)
2.4 – 3.0 V
DC
(batteries/rechargeable batteries)
Operating time
(NoiseGard
TM
/digital only)
Alkaline batteries/rechargeable bat-
teries: approx. 25 hrs
Lithium batteries: approx. 40 hrs