TOA Chairman Conference System - TS-921

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The TS-921 is a Chairman unit of the Infrared Conference system. Since the system is cordless, it can be easilyinstalled and removed. The Chairman unit features a priority speech key which allows it to take precedence overthe TS-922 Delegate units when speaking. It can be operated on either the AD-0910 AC adapter or the BP-900Alithium-ion battery. It is equipped with a remaining battery indicator. Two types of dedicated microphones are madeavailable for the TS-921 as optional products: the TS-923, TS-903 standard type and the TS-924, TS-904 long type.

Power Source7.2 V DC (supplied from optional lithium-ion battery),9 V DC (supplied from optional AC adapter)
Current ConsumptionMax. 390 mA
Infrared Emitter/Detector
Wavelength870 nm (AM: Brightness modulation)
Modulation MethodFrequency modulation
Carrier FrequencyTransmission: Audio channel 1: 7.35 MHz Audio channel 2: 8.10 MHz Audio channel 3: 8.55 MHz Audio channel 4: 9.15 MHz Control channel: 6.45 MHzReception: Base language channel: 1.95 MHz Translation language channel: 2.55 MHz
Covering Range7 m (22.97 ft) (radius)
InputMicrophone terminal: XLR-4-31 type
OutputMonitor speaker: 8 Ω, 0.2 WHeadphone:Ï•3.5 mm mini Jack ( 3P: monaural) X 2
LED IndicatorSpeech indicator, Votinq status indicators 1 -3, Power indicator
FunctionMonitor volume control, Headphone volume control, Priority speech function,Votinq function, Monitor selector switch (MAIN/SUB)
Battery LifeApprox: 10 hours
Operatinq Temperature0 °c to +40 °c (32 °F to 104 °F
Operatinq Humidity90 %RH or less ( no condensation)
FinishCase: PC resin, blackSpeaker net: black, mat finish, paint
Dimensions205.7 (W) X 70.3 (H) X 164.2 (0) mm (8.1" X 2.77" X 6.46")
Weiqht525 g(1.16 lb)
OptionMicrophone: TS-923, TS-903, TS-924, TS-904 (Select either one.)Lithium-ion battery: BP-900AAC adapter: AD-0910

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