RDL®

Unbalanced to balanced converters, balanced to unbalanced converters, audio line amplifiers and telephone system coupler

  • EZ-AFC2

    Audio Format Converter - Stereo Balanced ↔ Unbalanced

    • Unbalanced to Balanced Audio Conversion
    • Balanced to Unbalanced Audio Conversion
    • Unbalanced RCA Connections on Front Panel
    • Balanced XLR Connections on Rear Panel
    • Front-Panel LEVEL Controls
    • Gold-Plated Connectors
    • Front-Panel Stereo Audio Metering
    • Knob for Easy Level Adjustment
    • Exceptional Headroom and Frequency Response
    • Dual-LED VU Meter for Each Channel
  • FP-BUC2

    Balanced to Unbalanced Converter - 2 channel

    • Stereo Balanced to Unbalanced Audio Conversion
    • Connectorized Audio Converter
    • Output Level Trim
    • Low-Noise and Low-Distortion Conversion
    • Cabinet, Shelf or Rack Mounting
    • Convenience of RDL® FLAT-PAKs™
  • FP-UBC2

    Unbalanced to Balanced Converter - 2 Channel

    • Stereo Unbalanced to Balanced Audio Conversion
    • Connectorized Audio Converter
    • Output Level Trim
    • Low-Noise and Low-Distortion Conversion
    • Cabinet, Shelf or Rack Mounting
    • Convenience of RDL FLAT-PAKs
  • FP-UBC6

    Unbalanced to Balanced Converter - 6 Channel

    • Unbalanced to Balanced Audio Conversion
    • 6 Channel Conversion with Gain Trim
    • Connectorized Audio Converter
    • Low-Noise and Low-Distortion Conversion
    • Cabinet, Shelf or Rack Mounting
    • Convenience of RDL® FLAT-PAKs™
  • RU-AFC2

    Stereo Audio Format Converter

    • Unparalleled Audio Performance
    • Unbalanced to Balanced Audio Conversion
    • Additional Summed MONO Out
    • Switch-Selectable Ground Lift for XLR Output Jacks
    • Balanced to Unbalanced Audio Conversion
    • Unbalanced RCA Connections on Front Panel
    • Balanced XLR Connections on Front Panel
    • Balanced Connections on Rear Panel Detachable Terminal Blocks
    • Front-Panel Multi-Turn LEVEL Trimmers
    • Dual-LED VU Meter for Each Channel
    • Gold-Plated Connectors
    • Exceptional Headroom and Frequency Response
    • 1/3 Rack, High Density Rack Mounting
  • ST-TC1

    Telephone System Coupler - CO Line Simulator

    • Simulate a Telco CO Line
    • Connect to local telephone switch or instrument
    • Add Radio Control or Paging to KSU
    • Contact Closure when Line is Off-hook
    • Audio Input/Output from Telephone Switching Unit
  • Unbalanced to Balanced Amplifier

    ST-UBA2

    Unbalanced to Balanced Amplifier - 2 channel

      • Convert Stereo IHF Levels to Stereo PRO
      • Additional Summed MONO OUT
      • Independently Adjustable Gain
      • Ground-Referenced Conversion Module
      • Dual-LED VU Metering for Each Channel Included
      • Unparalleled Audio Performance
  • Dual-channel line-level preamplifier

    STA-1

    Dual Balanced/Unbalanced Line Amplifier -12 to 20 dB Gain

    • Up to 20 dB Gain in an Audio Line
    • Conversion from Balanced to Unbalanced
    • Conversion from Unbalanced to Balanced
    • Conversion from High to Low Impedance
    • Conversion from Low to High Impedance
    • Bridge an Audio Line Feed
    • Precisely Match Audio Levels
  • STA-1M

    Audio Line Amplifier - Mono: -14 to 14 dB Gain

    • Single-Channel Audio Line Amplifier
    • Balanced or Unbalanced Inputs and Outputs
    • Bridge a Line to Avoid Loading
    • High to Low Impedance Conversion
    • Low to High Impedance Conversion
    • Instrumentation Input to Isolate Ground Loops
    • Precisely Match Audio Levels
    • RDL® SupplyFlex™ Power Input Configuration
  • STA-2A

    Dual High Gain Line Amplifiers

    • Up to 24 dB Gain in Audio Lines
    • Conversion between Unbalanced and Balanced
    • Conversion between High and Low Impedance
    • Low-Impedance, High-Current Line Drivers
    • Dual-Channel Line-Level Preamplifiers
    • High Gain, High Output, High Performance
    • RDL® SupplyFlex™ Power Input Configuration