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HomepageWirelessWireless Receivers › Lectrosonics LR (A1: 470.100 - 537.575 MHz, BLOCKS 470, 19, 20)
Lectrosonics LR (A1: 470.100 - 537.575 MHz, BLOCKS 470, 19, 20)

Excellent performance in a small package for ENG and DSLR video production is the purpose and intent of the LR receiver design.

Tracking front-end filters block interference from high powered RF signals on nearby channels to preserve the extended operating range. RF spectrum scanning displays accurate results on the LCD to make finding clear spectrum quick and easy.

The receiver is powered by internal AA batteries or with an optional battery eliminator. The top panel includes an IR port for transmitter setup. Firmware updates are enabled via a USB port on the side panel. The housing is made from a solid machined aluminum billet.
  • Tunes over a 75 MHz range*
  • Tracking front-end filters
  • Digital Hybrid Wireless┬« with compatibility modes for use with earlier transmitters
  • Compact size powered by two AA batteries or an optional battery eliminator
  • LCD with RF spectrum scanning
  • SmartSquelchTM noiseless muting adapts automatically for near/far operation
  • DSP-based pilot tone for squelch control
  • USB port for firmware updates
  • IR sync port for transmitter setup
  • Specifications
    Operating Frequencies: Band A1: 470.100 - 537.575 MHz
    Frequency selection steps: Selectable; 100 kHz or 25 kHz
    Receiver Type: Dual conversion, superheterodyne
    IF Frequencies: 243.950 MHz and 250.000 kHz
    Frequency stability: ┬▒0.001 %
    Front end bandwidth: 20 MHz @ -3 dB
    Sensitivity 20 dB SINAD: 1.0 uV (-107 dBm), A weighted, 60 dB Quieting: 2.2 uV (-100 dBm), A weighted
    Squelch quieting: Greater than 100 dB typical
    Modulation acceptance: +/-100 kHz max.; varies with selected compatibility mode
    Image and spurious rejection: 85 dB
    Third order intercept: 0 dBm
    Diversity method: SmartDiversityTM phased antenna combining
    FM detector: Digital Pulse Counting Detector
    RF spectrum analyzer: Single and multiple block scanning modes; coarse and fine views of results
    Antenna inputs: 50 Ohm; SMA female connectors
    Audio output: TA3 male (mini XLR) balanced output
    Audio output level: Adjustable -50 to +5 dBu in 1 dB steps; unbalanced output level is 6 dB lower
    Front panel controls and indicators: Sealed panel with membrane switches, LCD for setup menus and monitoring
    Audio test tone: 1 kHz, -50 dBu to +5 dBu output (bal); 1% THD
    Transmitter battery type selection: AA alkaline or lithium; timer available for use with alkaline, lithium and HiMH
    Audio polarity selection: Normal or inverted

    Compatibility modes
  • Digital Hybrid (North American and European)
  • Lectrosonics 100, 200 and 300 Series
  • Lectrosonics IFB
  • Non-Lectrosonics modes 3, 6 and 7 (contact the factory for details)
  • Reviews
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    Additional information
    For more information about the LR (A1: 470.100 - 537.575 MHz, BLOCKS 470, 19, 20), please visit the website of Lectrosonics
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