Receptor IR
  • Receptor IR
  • Receptor IR
CR-TIR-R4

Digital IR Receivers

These ergonomically designed pocket receivers incorporate the latest electronics technology. CR-TIR-R4 series of IR receivers, which can receive up to 4 language channels and is equipped with channel selector, volume control, power switch, Ø 3.5 mm stereo earphone jack. A LCD displays channel number with language name, received signal intensity, battery capacity and volume. The pocket receivers can be used for both language and music distribution

Controls and Indicators

  • LCD displays channel number, language name, battery capacity, signal intensity and volume Power switch
  • Channel selector buttons
  • Volume control buttons

Interconnections

  • Ø 3.5 mm stereo earphone jack
  • Charging contacts

Technical Specifications

System Specifications

  • Modulation: DQPSK, according to IEC 61603-7 Modulation frequency
  • Carriers 0 to 5: 2 to 6 MHz, according to IEC 61603-7
  • Frequency response: 20 Hz to 10 kHz (-3dB) at standard quality; 20 Hz to 20 kHz (-3dB) at perfect quality
  • THD at 1 KHz: <0.05%
  • Isolation: >80 dB
  • Dynamic range: >80 dB
  • Weighted SNR: >80 dBA
  • Input range: -12 dBV ~ +12 dBV (adjustable)

Electrical

  • IR irradiance level: 4 mW/m2 per carrier
  • Angle of sensitivity: 270º
  •  Headphone output level at 2.4 V  450 mVrms (speech at maximum volume, 32 Ohm headphone)
  • Headphone output freq. range: 20 Hz to 20 kHz
  • Headphone output impedance: 32 Ohm to 2 kOhm
  • Max. SNR: >80 dBA
  • Supply voltage: 3V to 4.2V,nominal 3.7 V
  • Headphone jack unplugged after 5 minutes
  • Rechargeable battery pack: 24 hours

Mechanical

  • Dimensions (H x W x D) 159 x 49 x 23 mm
  • Weight excluding battery 85 g, including battery 128g (0.27 lb)
  • Color: black with silver

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