Radio Design Labs D-TPSL1A
Active Single Pair Sender, Mini-Jack & Stereo RCA In


The D-TPSL1A module is a single pair audio sending module compatible with RDL Format-A twisted pair products.
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Radio Design Labs D-TPSL1A
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The D-TPSL1A module is a single pair audio sending module 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 audio sources.

The D–TPSL1A module features a stereo line input through a mini jack or two RCA phono jacks summed to mono. The unbalanced inputs are designed to receive standard -10 dBV consumer level signals. These modules drive only one cable pair, therefore they accept signals and power from other mic-level or line-level Format-A senders. Two other single-pair senders may be chained with the -TPSL1A, or a single two-pair sender may be connected. If three single-pair senders are connected together, each sender must feed a different pair: A, B or C. The power pair and all three audio pairs are fed through both rear-panel RJ45 jacks.

The D-TPSL1A 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 -TPSL1A 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.

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

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-TPSL1A Features:

  • Stereo Audio Input Combined to Mono Output
  • Input on Dual RCA Jacks or Mini-Jack
  • Switch Selects which RJ45 Pair (A, B or C) is Fed
  • Signal and Power Pair Pass-Through between TP CABLE 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 Format-A Senders
  • Studio-Quality Precision Active Balanced Circuitry

Radio Design Labs D-TPSL1A Specifications:

  • Input:  10k ohms unbalanced (left and right)
  • Input Connection:  Mini-jack or dual RCA phono jacks
  • Input Level:  -10 dBV
  • Format-A Signal Pair Used:  Switch-selectable A, B, or C
  • Format-A Input:  RJ45
  • Output:  RDL TP Format-A
  • Output Connection:  RJ45
  • Frequency Response:  20 Hz to 20 kHz (+/- 0.25 dB)
  • THD+N:  < 0.05% (20 Hz to 20 kHz)
  • Noise:  < -90 dB
  • Headroom:  > 18 dB
  • Indicator:  Power In
  • Power Connections (2):  Detachable terminal block; RJ45
  • Power Requirement:  24 Vdc @ 25 mA plus connected loads
  • Dimensions:  1.6" (4.06 cm) W; 4.11" (10.45 cm) H; 1.89" (4.8 cm) D
  • Mounting Box Minimum Depth:  2.4" (6.1 cm)
  • Ambient Operating Environment:  0° C to 55° C

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