Beyerdynamic Opus 100 Notice D'utilisation page 25

SDM 159 V / U, SDM 169 V / U and SEM 181 V / U Microphones
Polar pattern . . . . . . . . . . . . . . . . Supercardioid (SDM 169) / Supercardioid (SDM 159)
Transducer type . . . . . . . . . . . . . . Dynamic (SDM 159, SDM 169) /
Frequency
SDM 159 V / SDM 169 V /
SEM 181 V (VHF) . . . . . . . . . . . . . 1 frequency between 174 - 236 MHz
SDM 159 U / SDM 169 U /
SEM 181 U (UHF) . . . . . . . . . . . . . 1 frequency between 798 - 862 MHz
RF output power . . . . . . . . . . . . . < 20 mW (output power)
Nominal deviation . . . . . . . . . . . . 35 kHz
Frequency response . . . . . . . . . . . 50 - 15,000 Hz
Noise reduction . . . . . . . . . . . . . . LN compander
S/N ratio at RF level 70 dBm. . . . . > 100 dB(A)
Sensitivity . . . . . . . . . . . . . . . . . . . fixed
Max. SPL . . . . . . . . . . . . . . . . . . . . 130 dB
Temperature range . . . . . . . . . . . +10° to 55°C
Antenna . . . . . . . . . . . . . . . . . . . . integrated in housing
Power supply . . . . . . . . . . . . . . . . 2 x 1.5 V alkaline batteries (AAA type "micro")
Current consumption . . . . . . . . . . 130 mA (UHF), 100 mA (VHF)
Operating time . . . . . . . . . . . . . . > 5 hrs. with alkaline batteries
TS 100 V / TS 100 U Beltpack Transmitters
Frequency
TS 100 V (VHF) . . . . . . . . . . . . . . . 1 frequency between 174 - 236 MHz
TS 100 U (UHF) . . . . . . . . . . . . . . . 1 frequency between 798 - 862 MHz
RF output power . . . . . . . . . . . . . < 20 mW (output power)
Nominal deviation . . . . . . . . . . . . 35 kHz
Frequency response . . . . . . . . . . . 50 - 15,000 Hz
Noise reduction . . . . . . . . . . . . . . LN compander
S/N ratio at RF level 70 dBm. . . . . > 100 dB(A)
Sensitivity . . . . . . . . . . . . . . . . . . . adjustable, 40 mV - 1 V
Audio input . . . . . . . . . . . . . . . . . 3.5 mm jack locking (female), 3-pole, screw-type
Power supply . . . . . . . . . . . . . . . . 9 V alkaline battery or corresponding NiMH-rechargeable
Current consumption
TS 100 U (UHF) . . . . . . . . . . . . . . . 65 mA
TS 100 V (VHF) . . . . . . . . . . . . . . . 50 mA
Temperature range . . . . . . . . . . . +10° to 55°C
Operating time
with 9 V alkaline battery
TS 100 U (UHF) . . . . . . . . . . . . . . . > 6 hrs.
TS 100 V (VHF) . . . . . . . . . . . . . . . > 8 hrs.
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Cardioid (SEM 181)
electret condenser (SEM 181)
battery