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  • A compact high quality microphone preamplifier

    STM-1

    Microphone Preamplifier - 50 dB Gain

      • High or Low Impedance Input Mic Preamp
      • Fixed 50 dB Gain for Consistency
      • Balanced or Unbalanced Output
      • Phantom Capability
      • RF-Filtered Inputs and Outputs
      • Excellent Performance
      • STICK-ON® Convenience
  • Microphone Preamplifier

    STM-2

    Adjustable Gain Microphone Preamplifier - 35 to 65 dB Gain

      • Low-Noise Mic Preamp
      • Adjustable Output Level
      • High or Low Impedance Mic Inputs
      • Mic Input to 2 Line Outputs
      • Two Balanced or Unbalanced Outputs
      • Phantom Capability
      • RF-Filtered Inputs
  • STM-2X

    STM-2X

    Switched Microphone Preamplifier - 35 to 65 dB Gain

      • Quiet Switching of Condenser Microphone
      • Remote Microphone Soft-Switching
      • Switch a Mic-Level Source to a Mic or Line Level Output
      • Remote Toggle Switch or Push-to-Talk Button
      • Adjustable Preset Gain on Microphone Source
  • STM-3

    STM-3

    High Gain Microphone Preamplifier - 45 to 75 dB Gain

      • Low-Noise, High-Gain, Mic Preamp
      • Adjustable Output Levels
      • High or Low Impedance Mic Inputs
      • Mic Input to Line Outputs
      • Two Balanced or Unbalanced Outputs
      • Phantom Capability
      • RF-Filtered Inputs
  • STM-DA3

    STM-DA3

    Microphone Level Distribution Amplifier - 1x3

    • Feed 1 Microphone to 3 Microphone Inputs
    • Electrical and Audio Isolation
    • Studio Quality Low-Noise, Low-Distortion Performance
    • Excellent Phase Response
    • Versatility of STICK-ON® Compactness
  • STM-LDA3

    STM-LDA3

    Studio Quality Microphone Preamplifier with phantom - 3 line outputs

      • Studio-Quality Microphone Preamplification
      • Three Distributed Line-Level Outputs
      • Low-Noise and Low-Distortion Performance
      • Selectable Filtered Phantom Voltage
      • Adjustable Gain up to 60 dB
      • RDL’s® Exclusive Dual-LED VU Metering
      • Versatility of STICK-ON® Compactness
  • STP-1

    STP-1

    Universal Audio Attenuator - 2 channel

      • Audio Level Attenuation
      • Adjust Audio Level into Equipment
      • Preset Audio Levels
      • Precisely Match Audio Levels
      • Increase Audio Input Headroom
      • Two Adjustable Attenuators in One Package
  • STR-19A

    STR-19A

    STICK-ON Series 19" Racking System - 12 modules

      • Mounts up to 12 RDL STICK-ON® Modules in a 19″ Rack
      • Occupies Two RUs in a 19″ Rack
      • Hinged Front Panel for Easy Access
      • STICK-ON® Modules Slide In and Click Into Place
      • All-Steel Construction
  • STR-19B

    STR-19B

    STICK-ON Series 19" Racking System - 10 modules

      • Mounts up to 10 RDL STICK-ON® Modules in a 19″ Rack
      • Occupies Two RUs in a 19″ Rack
      • Hinged Front Panel for Easy Access
      • STICK-ON® Modules Attach with RDL Detachable Mounting Tabs
      • All-Steel Construction
  • STR-H6A

    STR-H6A

    10.4" Rack Mount for 6 STICK-ON Series Products

      • Mounts up to 6 RDL STICK-ON® Modules in a 10.4″ Rack
      • Occupies Two RUs in a 10.4″ Rack
      • Hinged Front Panel for Easy Access
      • STICK-ON® Modules Slide In and Click Into Place
      • All-Steel Construction
  • STS-RF1

    STS-RF1

    Shielded Chassis for STICK-ON module

    • TP-HA1A

      TP-HA1A

      Format-A Stereo Headphone Amplifier

        • Headphone Amplifier with User Level Control
        • 25 mW Power into Standard Headphones
        • Output on Standard Mini-Jack
        • Mounts to Any Flat Surface
        • Input and Power Connection on RJ45
        • Connects to Format-A Sender using Twisted-Pair Cable
        • Powered from RDL Twisted Pair Format-A Sender
        • RJ45 Loop-Thru for Connecting Additional Modules
        • Protected by Automatically Resetting Fuse
        • Ultra-Compact All Metal Construction
    • TS-1D

      TS-1D

      Transient Suppressor

        • Immunity from Electrostatic Discharge
        • Immunity from Induced Transient Voltage
        • Immunity from RF Interference
        • Immunity from Electromagnetic Pulse
        • CE Compliance
    • TX-10B

      TX-10B

      Bridging Input Transformer

        • Used to add transformer isolation to any line-level RDL product input
        • Frequency response: 20 Hz to 20 kHz (+/- 0.5 dB)
        • THD: < 0.05% (1 kHz)
        • 10 kΩ input bridges any audio line
        • Balanced input and output
        • Connections on Detachable Terminal Blocks
    • TX-1A Adjustable Line Transformer

      TX-1A

      Balanced to Unbalanced Transformer - Adjustable

        • Provides transformer isolation between balanced line and unbalanced input
        • Level trimpot adjusts output 4 to 24 dB below input level
        • Input may be 10 kΩ bridging or 600 Ω terminated
        • Frequency response 20 Hz to 20 kHz (+/- 0.5 dB)
        • THD: < 0.05% (1 kHz)
    • TX-1W

      TX-1W

      Music on Hold Amplifier - 1 Watt

        • Feed Audio into Telephone Equipment Music-on-Hold Input
        • Adjustable Audio Level
        • Optimized Sound Quality
        • Unbalanced Output, up to 1 Watt
        • Balanced Transformer driver Output
        • Ultra Compact Size
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