Beyerdynamic Opus 910 - Handheld Transmitter Specs

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S 910 (M / C) + CM 930 / DM 960 / DM 969 / RM 510 / EM 981
Handheld Transmitter
Polar pattern . . . . . . . . . . . . . . . . . . . . . Hypercardioid (S 910 + DM 960)
Supercardioid (S 910 + DM 969)
Cardioid (S 910 + RM 510, S 901 + EM 981, S 910 + CM 930)
Transducer type . . . . . . . . . . . . . . . . . . . True condenser (S 910 + CM 930)
Dynamic (S 910 + DM 960, S 910 + DM 969)
Ribbon, dynamic (S 910 + RM 510)
Electret condenser (S 910 + EM 981)
Frequency range. . . . . . . . . . . . . . . . . . . 482 – 518 MHz (US)
518 – 554 MHz (US)
554 – 590 MHz (US)
590 – 626 MHz (US)
626 – 662 MHz (US)
662 – 698 MHz (US)
Modulation . . . . . . . . . . . . . . . . . . . . . . FM
Nominal deviation . . . . . . . . . . . . . . . . . ± 40 kHz
Radiated transmitter power . . . . . . . . . . 10 mW
Compander system. . . . . . . . . . . . . . . . . NE572
Max. SPL . . . . . . . . . . . . . . . . . . . . . . . . 146 dB
AF transmission range
S 910 + DM 960 . . . . . . . . . . . . . . . . . . . 55 - 18,000 Hz (close miking 2 cm) at 80 dB SPL
S 910 + DM 969 65 - 16,000 Hz (close miking 2 cm) at 80 dB SPL
S 910 + EM 981 50 - 18,000 Hz (close miking 2 cm) at 80 dB SPL
S 910 + CM 930 40 - 20,000 Hz (close miking 2 cm) at 80 dB SPL
S 910 + RM 510 70 - 14,000 Hz (close miking 2 cm) at 80 dB SPL
Rear attenuation. . . . . . . . . . . . . . . . . . . -20 dB at 1 kHz / 120° (S 910 + DM 960)
-15 dB at 1 kHz / 145° (S 910 + DM 969)
-15 dB at 1 kHz / 180° (S 910 + EM 981)
-20 dB at 1 kHz / 180° (S 910 + CM 930)
-18 dB at 1 kHz (S 910 + RM 510)
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
Length . . . . . . . . . . . . . . . . . . . . . . . . . . . . . S 910 C: 188 mm S 910 M: 210.5 mm
Shaftø . . . . . . . . . . . . . . . . . . . . . . . . . . S 910 C: 38 mm S 910 M: 38 mm
Weight with batteries. . . . . . . . . . . . . . . S 910 C: 169 g S 910 M: 172 g