Radio Design Labs D-TPR1A
Active Single-Pair Receiver - Twisted Pair Format-A - XLR Mic/Line Output


Radio Design Labs' D-TPR1A module is a single-pair audio receiving module that is compatible with RDL Format-A twisted pair products.
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Radio Design Labs D-TPR1A
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Radio Design Labs' D-TPR1A module is a single-pair audio receiving module that is compatible with RDL Format-A twisted pair products. This module is designed to be mounted in wall boxes, cabinets or other enclosures that allow users to connect external equipment.  The D-TPR1A mounts in RDL WB-1U and WB-2U wall boxes, or in standard U.S. electrical boxes.  The D-TPR1A features a white front-panel laminate with gray lettering that matches RDL Decora©-style remote controls.

NOTE: Radio Design Labs' PS-24AS power supply is NOT included but is required in order to power this product. Please see the "Accessories" tab or click here for more information on the PS-24AS power supply.

APPLICATION: The D-TPR1A module features an XLR output jack.  A rear-panel switch set during installation determines which of the three FORMAT-A pairs is buffered to feed the module output.  The audio signal received from the selected pair of the RJ45 INPUT jack feeds the XLR audio output jack.  The output level from the XLR jack is set to either MIC or LINE level during installation using a rear-panel switch.

This module receives signal from only one cable pair, so the D-TPR1A module has a second RJ45 jack to connect cables to additional receiver modules.  Two other single-pair receivers may be chained to the second RJ45 jack, or a single two-pair receiver may be connected.  In addition to completing the reception of signals from all three FORMAT-A pairs, additional receivers may be connected to the same twisted pair feed.  The bridging input circuits used in all FORMAT-A twisted pair receivers allow connection of up to 10 receiver outputs for each cable pair.  The possibility of multiple receiver locations adds enormous flexibility in the design of audio routing systems using RDL FORMAT-A products.  The power pair and all three audio pairs are fed through both rear-panel RJ45 jacks.

The D-TPR1A may be powered directly from a 24 Vdc power supply using the rear-panel detachable terminal block.  Local power connected to the module is also fed to all connected remote modules.  The D-TPR1A may be remotely powered through the twisted pair cable from any other module, signal distributor or RDL power inserter connected to the same twisted pair cable.  Module power is indicated by a front-panel LED.

RDL FORMAT-A features superior audio performance that rivals or exceeds shielded wiring.  Design simplicity, ease of installation, unsurpassed flexibility, automatic fused power, exceptional hum rejection, low noise, and low distortion provide designers and installers the optimum choice in economical twisted pair products.

Radio Design Labs D-TPR1A Features:

  • Balanced Mic or Line Level XLR Input with Phantom
  • Switch-Selectable Output Level on Rear Panel
  • Switch Selects which RJ45 Pair (A, B or C) feeds the output
  • Signal and Power Pair Pass-Through on RJ45 Jacks
  • Remote Powering through Twisted Pair Cable
  • Fused Local Power Feeds all Connected Modules
  • Local Power Input on Terminal Block
  • Blue LED Indicates Module is Powered
  • Daisy-Chain with Single-Pair or Two-Pair Senders
  • Studio-Quality Precision Active Balanced Circuitry

Radio Design Labs D-TPR1A Specifications:

  • Input: RDL Format-A
  • Input Connection: RJ45
  • Format-A Signal Pair Used: Switch-selectable A, B, or C
  • Format-A Output: RJ45
  • Output: 150 O balanced
  • Output Connection: XLR
  • Output Level: -45 dBu Mic or +4 dBu Line Level, Switch-selectable on rear panel
  • Frequency Response: 10 Hz to 50 kHz (+/- 0.1 dB)
  • THD+N: < 0.005%
  • Noise below +4 dBu: < -90 dB
  • Headroom above +4 dBu: > 18 dB
  • CMRR: > 80 dB (50 Hz to 150 Hz)
  • Indicator: Power In
  • Power Connections (2): Detachable terminal block; RJ45
  • Power Requirement: 24 Vdc @ 45 mA plus connected loads
  • Dimensions (WxHxD): 1.6" x 4.11" x 1.89" (4.06 x 10.45 x 4.8 cm)
  • Mounting Box Minimum Depth: 2.4"
  • Ambient Operating Environment: 0° C to 50° C

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