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Decade LX-75B (UHF)

These models cannot be used or sold in the USA except as samples for evaluation or for export purposes, because there is no FCC regulation for their RF power level.

The LX-75 is a professional grade low power FM transmitter operating in the commercial FM band (88.1 - 107.5MHz). It is intended for large indoor spaces (large auditoriums or churches, convention centers, arenas, stadiums), or outdoor (touristic and historic sites, drive-in theaters, shopping mall parkings) medium range broadcasting in a variety of applications : hearing assistance, translation, information, sound re-enforcement. Its outstanding RF and audio performances, ruggedness, reliability, versatility and increased RF power level put the LX-75 in a class by itself, surpassing any competitors for applications requiring more coverage than what is provided by conventional hearing assistance systems.


More from Decade
Category: Pro Audio:Processing:FM Transmitters

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Product Features:
  • User programmable frequency
  • User programmable RF power level
  • No manual tuning required
  • Works with standard FM receivers
  • Coverage of 700 feet or more with portable FM receiver, 2500 feet or more with car radio
  • Hi-Fi audio
  • Adjustable input level with over modulation indicator
  • Selectable bass boost and mono/stereo operation (stereo version only)
  • Choice of 3 audio configurations
  • Unbalanced (stereo 1/4-F) line input (s) and balanced (XLR3-F) input (line or mic) with separate input level controls
  • Choice of fixed antenna or UHF connector
  • Industry Canada RSS-123 certified
  • All steel cabinet
  • 2 years warranty


Product Specifications:
  • Modulation: FM, 75 kHz deviation
  • Frequency selection: 88.1 - 107.5 MHz
  • RF power: 0 to 80 mW (programmable)
  • Load impedance (UHF connector): 50
  • Spurious rejection: 40 dB min.
  • Frequency response: 20 - 20 kHz (mono models), 20 - 15 kHz (stereo model)
  • Harmonic distortion: 0.3% max.
  • Signal-to-noise ratio: 70 dB min.
  • Stereo separation: 35 dB min., 40 dB typ.
  • Input sensitivity / impedance: -15 dBm to +22 dBm / 5 k (mono unbal.), -13 dBm to +22 dBm / 10 k (stereo unbal.), -10 dBm to + 22 dBm / 600 (bal.), -60 dBm to 0 dBm / 950 (mic.)
  • Power supply: 110/16 VAC @ 500 mA
  • Dimensions: 7.8'' W x 12'' D x 1.75'' H
  • Weight: 8 lb.