50
SDM 860 / SDM 860 M / SDM 869 / SEM 881 Handheld Transmitter
Polar pattern . . . . . . . . . . . . . . . . . . . Hypercardioid (SDM 860, SDM 860 M)
Supercardioid (SDM 869)
Cardioid (SEM 881)
Transducer type . . . . . . . . . . . . . . . . . Dynamic (SDM 860, SDM 860 M, SDM 869)
Electret condenser (SEM 881)
Frequency range . . . . . . . . . . . . . . . . 740 - 764 MHz
774 - 798 MHz
798 - 822 MHz
850 - 874 MHz
Modulation . . . . . . . . . . . . . . . . . . . . FM
Nominal deviation . . . . . . . . . . . . . . . ± 40 kHz
Radiated transmitter power. . . . . . . . 10 mW
Compander system . . . . . . . . . . . . . . . NE572
Max. SPL . . . . . . . . . . . . . . . . . . . . . . . 125 dB / 135 dB
Gain . . . . . . . . . . . . . . . . . . . . . . . . . . switchable with integrated switch -10 dB (= 0.7 mV/Pa)
AF transmission range . . . . . . . . . . . . 55 - 18,000 Hz (close miking 2 cm) at 80 dB SPL (SDM 860,
SDM 860 M)
65 - 16,000 Hz (close miking 2 cm) at 80 dB SPL (SDM 869)
50 - 18,000 Hz (close miking 2 cm) at 80 dB SPL (SEM 881)
Rear attenuation . . . . . . . . . . . . . . . . -20 dB at 1 kHz / 120° (SDM 860, SDM 860 M)
-15 dB at 1 kHz / 145° (SDM 869)
-15 dB at 1 kHz / 180° (SEM 881)
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 rechargeable batteries
Current consumption . . . . . . . . . . . . . approx. 85 mA
Operating time. . . . . . . . . . . . . . . . . . > 20 hours with alkaline batteries
Dimensions (with mic head). . . . . . . . Length: 230 mm (SDM 860, SDM 860 M, SDM 869)
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Length: 245 mm (SEM 881)
Shaftø: 38 mm (SDM 860, SDM 860 M, SDM 869, SEM 881)
Capsuleø: 51 mm (SDM 860, SDM 860 M, SDM 869)
Capsuleø: 52 mm (SEM 881)
Weight . . . . . . . . . . . . . . . . . . . . . . . . 280 g (SDM 860, SDM 860 M, SDM 869)
265 g (SEM 881)
TS 800 (M) Beltpack Transmitter
Frequency range . . . . . . . . . . . . . . . . 740 - 764 MHz
774 - 798 MHz
798 - 822 MHz
850 - 874 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, at nominal deviation
Power supply . . . . . . . . . . . . . . . . . . . 2 x 1.5 V batteries (AA) or rechargeable batteries
Current consumption . . . . . . . . . . . . . approx. 85 mA