Antenna front mount for connecting the antennas of EM 100 G2, EM 300 G2, EM 500 G2 receivers or SR 300 IEM G2 transmitters to the front of the rack. To be used in combination with the GA 2 rack mount.
Delivery Includes
2 x 50-ohm BNC cables
Mounting accessories
The IR-700D is a receiver distributor used in the TOA's infrared wireless microphone system. It employs 4 receiver mixing inputs and 2 distribution outputs. By using the IR-700D in conjunction with the IR-702T Infrared Wireless Tuner, up to 16 infrared wireless receivers can be connected to the IR-702T.
Specification
Power Source
AC mains, 50/60 Hz (supplied from the included AC adapter)
Power Consumption
25 W or less
Input/Output
4 mixing inputs, 2 distribution outputs
Band-Pass Frequency
3.0 - 6.0 MHz
Gain
0 dB (±3 dB)
Infrared Receiver Input
75 Ω, BNC jack × 4 (Infrared wireless receiver's power source: 24 V DC,
800 mA max. in total of 4 terminals)
AC adapter* …1, AC Power cord (2 m (6.56 ft)) …1,
BNC plug-to-BNC plug cord (50 cm (1.64 ft)) …1, Rubber foot …4
Option
Rack mounting bracket: MB-WT3
MB-WT4 (for mounting with the optional IR-702T
together)
The IR-300M is a hands-free infrared wireless microphone. It eliminates problems with interference or eavesdropping, allowing simultaneous use in adjacent conference rooms or school classrooms. Since infrared wireless microphone system uses a frequency band that does not interfere with that of the TS-800 and TS-900 series infrared conference system, both systems can be simultaneously installed in the same location.
Specification
Battery
IR-200BT-2 rechargeable battery for the infrared wireless microphone (option)
or AA alkaline dry cell battery (2 pieces).
Current Consumption
Typ. 250 mA (2.4 V, Power selector switch: N)
Typ. 340 mA (2.4 V, Power selector switch: H)
Infrared Emitter
Wavelength
870 nm (AM: Brightness modulation)
Modulation Method
Frequency modulation
Carrier Frequency
Channel A: 3.100 MHz
Channel B: 3.350 MHz
Transmission Distance
Approx. 20 m (65 ft) (Power selector switch: H, in an unobstructed space)
Approx. 15 m (50 ft) (Power selector switch: N, in an unobstructed space)
Tone Signal
32.768 kHz
Modulation Sensitivity
±4.8 kHz (1 kHz, when SPL of 84 dB is input)
Maximum Input Sound Pressure
120 dB SPL
Input Sensitivity Adjustment
Adjustment range: -9 dB to 0 dB (factory preset: 0 dB)
Microphone Unit
Unidirectional electret condenser microphone
Frequency Response
100 Hz - 12 kHz
Preemphasis
300 μs
Input
External microphone input (φ3.5 monaural mini jack)
Battery Operation Time
Approx. 8 h (when the IR-200BT rechargeable battery for the infrared wireless
microphone is used, Power selector switch: N)
Approx. 6 h (when the alkaline battery is used, Power selector switch: N)
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2 x 50-ohm BNC cables
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