Beyerdynamic S 900 Operating Instructions Manual page 47

SEM 981 . . . . . . . . . . . . . . . . . . . . . . 50 - 18,000 Hz (close miking 2 cm)
SCM 930 . . . . . . . . . . . . . . . . . . . . . . 40 - 20,000 Hz (close miking 2 cm)
Rear attenuation
SDM 960, SDM 960 M . . . . . . . . . . . . -20 dB at 1 kHz / 120°
SDM 969 . . . . . . . . . . . . . . . . . . . . . . -15 dB at 1 kHz / 145°
SEM 981 . . . . . . . . . . . . . . . . . . . . . . -15 dB at 1 kHz / 180°
SCM 930 . . . . . . . . . . . . . . . . . . . . . . -20 dB at 1 kHz / 180°
Signal-to-noise ratio . . . . . . . . . . . . . . > 110 dB
T.H.D. . . . . . . . . . . . . . . . . . . . . . . . . . < 0.5% at 1 kHz
Transmission range . . . . . . . . . . . . . . . 100 m
Power supply . . . . . . . . . . . . . . . . . . . 2 x 1.5 V batteries (AA) or
Current consumption . . . . . . . . . . . . . approx. 85 mA
Operating time . . . . . . . . . . . . . . . . . . > 20 hours with alkaline batteries
Dimensions. . . . . . . . . . . . . . . . . . . . . S 900 C
Length . . . . . . . . . . . . . . . . . . . . . . . . 188 mm
Shaftø . . . . . . . . . . . . . . . . . . . . . . . . 38 mm
Weight with batteries . . . . . . . . . . . . . 169 g
Beltpack Transmitter
Frequency range. . . . . . . . . . . . . . . . . 668 - 692 MHz
Modulation . . . . . . . . . . . . . . . . . . . . FM
Nominal deviation . . . . . . . . . . . . . . . ± 40 kHz
Radiated transmitter power . . . . . . . . 20 mW
Compander system. . . . . . . . . . . . . . . NE572
Signal-to-noise ratio . . . . . . . . . . . . . . > 110 dB
T.H.D. . . . . . . . . . . . . . . . . . . . . . . . . . < 0.5% at 1 kHz
Frequency response . . . . . . . . . . . . . . 50 Hz - 18,000 Hz
Gain . . . . . . . . . . . . . . . . . . . . . . . . . . 10 mV - 0.3 V adjustable,
Power supply . . . . . . . . . . . . . . . . . . . 2 x 1.5 V batteries (AA) or
Current consumption . . . . . . . . . . . . . approx. 85 mA
Operating time . . . . . . . . . . . . . . . . . . > 20 hours with alkaline batteries
Dimensions (L x W x D) . . . . . . . . . . . . TS 900 C: 110 x 63 x 21,5 mm
Weight . . . . . . . . . . . . . . . . . . . . . . . . TS 900 C: 155 g
4-pin connection . . . . . . . . . . . . . . . . Pin 1 = Ground, Pin 2 = IN1,
*Not for use in the USA or Canada
at 80 dB SPL
at 80 dB SPL
rechargeable batteries
S 900 M
210.5 mm
38 mm
172 g
774 - 798 MHz
790 - 814 MHz*
841 - 865 MHz*
at nominal deviation
rechargeable batteries
TS 900 M: 110 x 65.5 x 24.5 mm
TS 900 M: 156 g
Pin 3 = IN2, Pin 4 = +5 V
refer also to chapter
2.5 "AF Connection"
S 900 P
210.5 mm
38 mm
170 g
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